{"title":"Headphone Amplifier","description":"\u003cp data-start=\"24\" data-end=\"342\" class=\"PDq2pG_selectionAnchorContainer\"\u003ePower your headphones with clean, reliable audio using our selection of professional headphone amplifiers. Whether you're recording in the studio, performing live, podcasting, broadcasting, or simply sharing music with friends, our headphone amps deliver clear sound with independent volume control for every listener.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"344\" data-end=\"692\"\u003eDesigned for musicians, DJs, audio engineers, content creators, churches, schools, and home studios, these compact amplifiers make it easy to connect multiple headphones to a single audio source without sacrificing sound quality. Many models feature low-noise circuitry, high-output power, and rugged metal construction for dependable everyday use.\u003c\/p\u003e\n\u003ch3 data-section-id=\"9n3n4e\" data-start=\"694\" data-end=\"709\"\u003ePerfect For\u003c\/h3\u003e\n\u003cul data-start=\"710\" data-end=\"920\"\u003e\n\u003cli data-section-id=\"yalpxi\" data-start=\"710\" data-end=\"729\"\u003eRecording studios\u003c\/li\u003e\n\u003cli data-section-id=\"1an3wny\" data-start=\"730\" data-end=\"763\"\u003eLive sound and stage monitoring\u003c\/li\u003e\n\u003cli data-section-id=\"1d4m2aq\" data-start=\"764\" data-end=\"793\"\u003ePodcasting and broadcasting\u003c\/li\u003e\n\u003cli data-section-id=\"5cy324\" data-start=\"794\" data-end=\"820\"\u003eDJs and music production\u003c\/li\u003e\n\u003cli data-section-id=\"4ehdft\" data-start=\"821\" data-end=\"845\"\u003eHome recording studios\u003c\/li\u003e\n\u003cli data-section-id=\"1atkncl\" data-start=\"846\" data-end=\"887\"\u003eSchools, churches, and rehearsal spaces\u003c\/li\u003e\n\u003cli data-section-id=\"1wa0ycd\" data-start=\"888\" data-end=\"920\"\u003eContent creators and streamers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"19zqy0x\" data-start=\"922\" data-end=\"934\"\u003eFeatures\u003c\/h3\u003e\n\u003cul data-start=\"935\" data-end=\"1239\"\u003e\n\u003cli data-section-id=\"cv4hog\" data-start=\"935\" data-end=\"963\"\u003eMultiple headphone outputs\u003c\/li\u003e\n\u003cli data-section-id=\"1gsh6ed\" data-start=\"964\" data-end=\"1010\"\u003eIndependent volume controls for each channel\u003c\/li\u003e\n\u003cli data-section-id=\"uvn6fl\" data-start=\"1011\" data-end=\"1052\"\u003eHigh-power, low-noise audio performance\u003c\/li\u003e\n\u003cli data-section-id=\"1rl6en5\" data-start=\"1053\" data-end=\"1092\"\u003eCompact desktop and rackmount designs\u003c\/li\u003e\n\u003cli data-section-id=\"1lqf5hs\" data-start=\"1093\" data-end=\"1152\"\u003eCompatible with most professional and consumer headphones\u003c\/li\u003e\n\u003cli data-section-id=\"x3v9qb\" data-start=\"1153\" data-end=\"1208\"\u003eDurable construction for studio and live applications\u003c\/li\u003e\n\u003cli data-section-id=\"6nywgi\" data-start=\"1209\" data-end=\"1239\"\u003eEasy plug-and-play operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1241\" data-end=\"1594\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eWhether you need a compact personal monitor amplifier or a multi-channel headphone distribution system, you'll find dependable solutions that provide excellent audio performance for every listening environment. Our headphone amplifiers are built to deliver the volume, clarity, and flexibility professionals demand.\u003c\/p\u003e","products":[{"product_id":"mr-dj-microamp-ha400-headphone-amplifier-br-ha400-microamp-is-an-ultra-compact-4-channel-stereo-headphone-amplifier","title":"MR DJ Microamp HA400 Ultra-compact 4-channel stereo headphone amplifier","description":"\u003ch5\u003eMR DJ USA HA400 Professional 4-Channel Stereo Headphone Amplifier with Independent Volume Controls\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003eThe MR DJ USA HA400 is an ultra-compact professional 4-channel stereo headphone amplifier designed for recording studios, podcast production, live sound, broadcasting, rehearsal rooms, and multimedia applications. Featuring four independent high-power headphone amplifier sections, individual volume controls, premium 4580 operational amplifiers, and ultra-low-noise circuitry, the HA400 delivers exceptional monitoring performance for multiple listeners simultaneously.\u003c\/h5\u003e\n\u003ch5\u003eKey Features\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003e🎧 4-CHANNEL PROFESSIONAL HEADPHONE DISTRIBUTION – Connect and power up to four headphones simultaneously with independent volume control for each output, making it ideal for recording sessions, rehearsals, podcasting, and studio monitoring.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003e🔊 HIGH-POWER STEREO HEADPHONE AMPLIFIERS – Four independent stereo amplifier sections deliver clean, powerful audio with outstanding clarity and dynamic range, even at maximum listening levels.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003e🎚️ INDIVIDUAL OUTPUT LEVEL CONTROLS – Dedicated volume control for each headphone output allows every musician, engineer, or performer to customize their personal monitoring level without affecting others.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003e🎼 ULTRA LOW-NOISE AUDIO PERFORMANCE – Premium 4580 operational amplifiers provide exceptional sound quality with low distortion and minimal background noise for accurate professional monitoring.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003e🛠️ ULTRA-COMPACT PROFESSIONAL DESIGN – Rugged metal construction and a space-saving desktop design make the HA400 perfect for recording studios, rehearsal rooms, broadcast facilities, podcast production, and live sound applications.\u003c\/h5\u003e\n\u003ch5\u003eProduct Description\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003eThe MR DJ USA HA400 Professional 4-Channel Stereo Headphone Amplifier is a compact, high-performance headphone distribution system built for recording studios, rehearsal spaces, podcast production, broadcasting, live performances, and multimedia applications.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003eWhether you're recording multiple musicians, monitoring playback, rehearsing with a band, or producing a podcast, the HA400 allows up to four listeners to monitor the same audio source simultaneously while independently adjusting their own headphone volume.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003ePowered by four independent high-power stereo amplifier sections and premium 4580 operational amplifiers, the HA400 delivers clean, accurate audio with virtually all headphone types—even at maximum output levels. Its ultra-low-noise circuitry preserves audio clarity while minimizing unwanted noise and distortion.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003eThe rugged metal chassis and compact footprint make the HA400 easy to integrate into desktop studios, mobile recording rigs, rehearsal rooms, live sound systems, and production workstations.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003eWhen multiple headphone outputs are required without compromising sound quality, the MR DJ USA HA400 provides a dependable and affordable professional monitoring solution.\u003c\/h5\u003e\n\u003ch5\u003eGeneral Features\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003eProfessional 4-Channel Stereo Headphone Amplifier\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eUltra-Compact Desktop Design\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eFour Independent Stereo Amplifier Sections\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eHigh-Power Stereo Headphone Outputs\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eIndividual Output Level Controls\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eUltra Low-Noise Circuit Design\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003ePremium 4580 Operational Amplifiers\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eHigh-Fidelity Audio Performance\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eCompatible with Virtually All Headphone Types\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eRugged Metal Construction\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eStudio \u0026amp; Live Sound Ready\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eDC 12V Power Adapter Included\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eReliable Long-Life Design\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ch5\u003eProduct Information\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003eModel: HA400\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eBrand: MR DJ USA\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eProduct Type: Stereo Headphone Amplifier\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eNumber of Headphone Outputs: 4\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eAudio Features\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003eFour Independent Stereo Amplifier Sections\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eHigh-Power Stereo Headphone Outputs\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eIndividual Output Level Controls\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eUltra Low-Noise Performance\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003ePremium 4580 Operational Amplifiers\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eHigh-Fidelity Audio Performance\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eExcellent Audio Quality at Maximum Output\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eCompatibility\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003eCompatible with Virtually All Headphone Types\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003ePower\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003ePower Supply: DC 12V\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eDC Power Adapter Included\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eConstruction\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003eHeavy-Duty Metal Housing\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eUltra-Compact Desktop Design\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eFinish: Black\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003ePerfect For\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003eRecording Studios\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eHome Studios\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003ePodcast Production\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eLive Sound\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eBroadcast Studios\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eRehearsal Rooms\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eMusicians\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eAudio Engineers\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eDJs\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eHouses of Worship\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eEducational Audio Labs\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eMultimedia Production\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003ePackage Includes\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003e(1) MR DJ USA HA400 Professional 4-Channel Stereo Headphone Amplifier\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003e(1) DC 12V Power Adapter\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWarranty\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003e1-Year Manufacturer's Warranty\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWarning:\u003cbr\u003eThis product can expose you to chemicals known to the State of California to cause cancer. For more information, go to P65Warnings.ca.\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"MR DJ USA","offers":[{"title":"Default Title","offer_id":47165793042664,"sku":"HA400","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/9166\/5128\/files\/MRDHA400.jpg?v=1742259226"},{"product_id":"mr-dj-microamp-ha400pro-ultra-compact-4-channel-stereo-headphone-amplifier","title":"MR DJ Microamp HA400PRO Ultra-compact 4-channel stereo headphone amplifier","description":"\u003ch5\u003eMR DJ USA HA400PRO Professional 4-Channel Stereo Headphone Amplifier with Independent Volume Controls\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003eThe MR DJ USA HA400PRO is an ultra-compact professional 4-channel stereo headphone amplifier designed for recording studios, podcast production, live sound, broadcasting, rehearsal rooms, and multimedia applications. Featuring four independent high-power headphone amplifier sections, individual volume controls, premium 4580 operational amplifiers, and ultra-low-noise circuitry, the HA400PRO delivers exceptional monitoring performance for multiple listeners simultaneously.\u003c\/h5\u003e\n\u003ch5\u003eKey Features\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003e🎧 4-CHANNEL PROFESSIONAL HEADPHONE DISTRIBUTION – Power up to four headphones simultaneously with independent volume control for each output, making it perfect for recording sessions, rehearsals, and studio monitoring.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003e🔊 HIGH-POWER STEREO HEADPHONE AMPLIFIERS – Four independent stereo amplifier sections deliver powerful, clean audio with outstanding clarity and dynamic range, even at maximum listening levels.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003e🎚️ INDIVIDUAL OUTPUT LEVEL CONTROLS – Dedicated volume control for every headphone output allows each musician, engineer, or performer to customize their own monitoring level independently.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003e🎼 ULTRA LOW-NOISE AUDIO PERFORMANCE – Premium 4580 operational amplifiers provide professional-quality sound with minimal distortion and background noise for accurate monitoring.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003e🛠️ ULTRA-COMPACT PROFESSIONAL DESIGN – Rugged metal construction and a space-saving desktop design make the HA400PRO ideal for recording studios, podcast production, rehearsal rooms, broadcast facilities, live sound, and stage monitoring.\u003c\/h5\u003e\n\u003ch5\u003eProduct Description\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003eThe MR DJ USA HA400PRO Professional 4-Channel Stereo Headphone Amplifier is a compact and reliable headphone distribution system built for recording studios, rehearsal spaces, podcast production, broadcasting, live performances, and multimedia applications.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003eWhether you're recording multiple musicians, monitoring playback, rehearsing with a band, or producing a podcast, the HA400PRO allows up to four listeners to monitor the same audio source simultaneously while independently adjusting their own headphone volume.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003ePowered by four independent high-power stereo amplifier sections and premium 4580 operational amplifiers, the HA400PRO delivers clean, accurate audio with virtually all headphone types—even at maximum output levels. Its ultra-low-noise circuitry preserves audio clarity while minimizing unwanted noise and distortion.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003eThe rugged metal chassis and compact footprint make the HA400PRO easy to integrate into desktop studios, mobile recording rigs, rehearsal rooms, live sound systems, and production workstations.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003eWhen multiple headphone outputs are required without compromising sound quality, the MR DJ USA HA400PRO provides a dependable, professional monitoring solution.\u003c\/h5\u003e\n\u003ch5\u003eGeneral Features\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003eProfessional 4-Channel Stereo Headphone Amplifier\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eUltra-Compact Desktop Design\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eFour Independent Stereo Amplifier Sections\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eHigh-Power Stereo Headphone Outputs\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eIndividual Output Level Controls\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eUltra Low-Noise Circuit Design\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003ePremium 4580 Operational Amplifiers\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eHigh-Fidelity Audio Performance\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eCompatible with Virtually All Headphone Types\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eRugged Metal Construction\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eStudio \u0026amp; Live Sound Ready\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eDC 12V Power Adapter Included\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eReliable Long-Life Design\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ch5\u003eProduct Information\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003eModel: HA400PRO\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eBrand: MR DJ USA\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eProduct Type: Stereo Headphone Amplifier\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eNumber of Headphone Outputs: 4\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eAudio Features\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003eFour Independent Stereo Amplifier Sections\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eHigh-Power Stereo Headphone Outputs\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eIndividual Output Level Controls\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eUltra Low-Noise Performance\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003ePremium 4580 Operational Amplifiers\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eHigh-Fidelity Audio Performance\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eExcellent Audio Quality at Maximum Output\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eCompatibility\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003eCompatible with Virtually All Headphone Types\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003ePower\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003ePower Supply: DC 12V\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eDC Power Adapter Included\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eConstruction\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003eHeavy-Duty Metal Housing\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eUltra-Compact Desktop Design\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eFinish: Black\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003ePerfect For\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003eRecording Studios\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eHome Studios\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003ePodcast Production\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eLive Sound\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eBroadcast Studios\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eRehearsal Rooms\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eMusicians\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eAudio Engineers\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eDJs\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eHouses of Worship\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eEducational Audio Labs\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eMultimedia Production\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003ePackage Includes\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003e(1) MR DJ USA HA400PRO Professional 4-Channel Stereo Headphone Amplifier\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003e(1) DC 12V Power Adapter\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWarranty\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003e1-Year Manufacturer's Warranty\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWarning:\u003cbr\u003eThis product can expose you to chemicals known to the State of California to cause cancer. For more information, go to P65Warnings.ca.\u003c\/h5\u003e\n\u003ch5\u003e\u003c\/h5\u003e","brand":"MR DJ USA","offers":[{"title":"Default Title","offer_id":47898086146280,"sku":"HA400PRO","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/9166\/5128\/files\/51V_JeVAvvL._AC_SL1001.jpg?v=1766114148"},{"product_id":"mr-dj-microamp-ha800-ultra-compact-8-channel-stereo-headphone-amplifier","title":"MR DJ Microamp HA800 Ultra-compact 8-channel stereo headphone amplifier","description":"\u003ch5\u003eMR DJ USA HA800 Professional 8-Channel Stereo Headphone Amplifier with Independent Volume Controls\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003eThe MR DJ USA HA800 is a professional 8-channel stereo headphone amplifier designed for recording studios, podcast production, live sound, broadcasting, rehearsal rooms, and multimedia applications. Featuring eight independent high-power headphone outputs, individual volume controls, ultra-low-noise circuitry, and premium 4580 operational amplifiers, the HA800 delivers exceptional monitoring performance for multiple listeners simultaneously.\u003c\/h5\u003e\n\u003ch5\u003eKey Features\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003e🎧 8-CHANNEL PROFESSIONAL HEADPHONE DISTRIBUTION – Connect and power up to eight headphones simultaneously with dedicated volume control for each output, making it ideal for studios, rehearsals, and live monitoring.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003e🔊 HIGH-POWER STEREO HEADPHONE AMPLIFIERS – High-performance amplifier sections deliver clean, powerful audio with outstanding clarity and dynamic range, even at maximum listening levels.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003e🎚️ INDIVIDUAL VOLUME CONTROLS – Each headphone output features its own dedicated volume control, allowing every musician, engineer, or performer to customize their personal monitoring level independently.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003e🎼 ULTRA LOW-NOISE AUDIO PERFORMANCE – Premium 4580 operational amplifiers provide exceptional sound quality with low distortion and minimal background noise for accurate professional monitoring.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003e🛠️ COMPACT PROFESSIONAL METAL DESIGN – Rugged metal construction and a space-saving desktop design make the HA800 ideal for recording studios, podcast production, rehearsal rooms, broadcast facilities, and live sound applications.\u003c\/h5\u003e\n\u003ch5\u003eProduct Description\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003eThe MR DJ USA HA800 Professional 8-Channel Stereo Headphone Amplifier is a compact, high-performance monitoring solution designed for recording studios, rehearsal spaces, live performances, podcast production, broadcasting, and multimedia production.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003eFeaturing eight high-power stereo headphone outputs, the HA800 allows multiple musicians, performers, engineers, or listeners to monitor the same audio source simultaneously while independently adjusting their own headphone volume for maximum comfort.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003eBuilt with premium 4580 operational amplifiers and an ultra-low-noise circuit design, the HA800 delivers clean, accurate audio with virtually any type of headphones, making it ideal for critical monitoring and professional recording applications.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003eIts durable metal housing and compact footprint allow easy integration into desktop studios, mobile recording rigs, rehearsal rooms, live sound systems, and production workstations.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003eWhether you're recording a full band, producing a podcast, managing stage monitoring, or distributing headphone audio in a professional environment, the MR DJ USA HA800 delivers dependable performance and outstanding sound quality.\u003c\/h5\u003e\n\u003ch5\u003eGeneral Features\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003eProfessional 8-Channel Stereo Headphone Amplifier\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eUltra-Compact Desktop Design\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eHigh-Power Stereo Headphone Outputs\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eIndependent Volume Controls\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eUltra Low-Noise Circuit Design\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003ePremium 4580 Operational Amplifiers\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eHigh-Fidelity Audio Performance\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eCompatible with Most Headphone Types\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eRugged Metal Construction\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eStudio \u0026amp; Live Sound Ready\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eDC Power Supply Included\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eLong-Life Professional Design\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ch5\u003eProduct Information\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003eModel: HA800\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eBrand: MR DJ USA\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eProduct Type: Stereo Headphone Amplifier\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eNumber of Headphone Outputs: 8\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eAudio Features\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003eHigh-Power Stereo Amplifier Sections\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eIndependent Output Level Controls\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eUltra Low-Noise Performance\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003ePremium 4580 Operational Amplifiers\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eHigh-Fidelity Audio Performance\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eExcellent Audio Quality at Maximum Output\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eCompatibility\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003eCompatible with Virtually All Headphone Types\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003ePower\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003ePower Supply: DC 12V\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eDC Power Adapter Included\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eConstruction\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003eHeavy-Duty Metal Housing\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eCompact Professional Desktop Design\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eFinish: Black\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003ePerfect For\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003eRecording Studios\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eHome Studios\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003ePodcast Production\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eLive Sound\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eBroadcast Studios\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eRehearsal Rooms\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eMusicians\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eAudio Engineers\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eDJs\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eHouses of Worship\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eEducational Audio Labs\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eMultimedia Production\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003ePackage Includes\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003e(1) MR DJ USA HA800 Professional 8-Channel Stereo Headphone Amplifier\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003e(1) DC 12V Power Adapter\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWarranty\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003e1-Year Manufacturer's Warranty\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWarning:\u003cbr\u003eThis product can expose you to chemicals known to the State of California to cause cancer. For more information, go to P65Warnings.ca.\u003c\/h5\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e","brand":"MR DJ USA","offers":[{"title":"Default Title","offer_id":47898806780136,"sku":"HA800","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/9166\/5128\/files\/HA800.jpg?v=1766167912"},{"product_id":"mr-dj-microamp-ha800pro-ultra-compact-8-channel-stereo-headphone-amplifier","title":"MR DJ Microamp HA800PRO Ultra-compact 8-channel stereo headphone amplifier","description":"\u003ch5\u003eMR DJ USA HA800PRO Professional 8-Channel Stereo Headphone Amplifier with Independent Volume Controls\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003eThe MR DJ USA HA800PRO is a professional 8-channel stereo headphone amplifier designed for recording studios, podcast production, live sound, broadcasting, rehearsal rooms, and multimedia applications. Featuring eight independent high-power headphone amplifier sections, individual volume controls, ultra-low-noise circuitry, and premium 4580 operational amplifiers, the HA800PRO delivers exceptional monitoring performance for multiple listeners simultaneously.\u003c\/h5\u003e\n\u003ch5\u003eKey Features\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003e🎧 8-CHANNEL PROFESSIONAL HEADPHONE DISTRIBUTION – Power up to eight headphones simultaneously with independent volume control for each output, making it ideal for studios, rehearsals, and live monitoring.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003e🔊 HIGH-POWER STEREO HEADPHONE AMPLIFIERS – Eight independent amplifier sections deliver clean, powerful audio with excellent clarity and dynamic range, even at high listening levels.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003e🎚️ INDIVIDUAL VOLUME CONTROLS – Dedicated output level control for every headphone channel allows each musician, engineer, or performer to set their own preferred monitoring level.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003e🎼 ULTRA LOW-NOISE AUDIO PERFORMANCE – Premium 4580 operational amplifiers provide professional-quality sound with minimal noise and distortion for accurate audio monitoring.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003e🛠️ COMPACT PROFESSIONAL METAL DESIGN – Rugged, space-saving metal chassis is perfect for recording studios, podcast setups, rehearsal rooms, broadcast facilities, live sound, and stage monitoring.\u003c\/h5\u003e\n\u003ch5\u003eProduct Description\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003eThe MR DJ USA HA800PRO Professional 8-Channel Stereo Headphone Amplifier provides reliable, high-quality headphone distribution for recording studios, live performances, podcast production, broadcasting, rehearsal spaces, educational labs, and professional audio applications.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003eFeaturing eight independent high-power stereo amplifier sections, the HA800PRO allows multiple musicians, engineers, vocalists, or performers to monitor the same audio source simultaneously while independently adjusting their own headphone volume.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003eBuilt with premium 4580 operational amplifiers, the HA800PRO delivers exceptional audio quality with ultra-low noise and low distortion, ensuring accurate monitoring across virtually all headphone types.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003eIts compact desktop design, durable metal construction, and simple operation make it an excellent solution whenever multiple headphone outputs are required without sacrificing sound quality or flexibility.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003eWhether you're recording a band, producing a podcast, running a rehearsal, broadcasting live, or managing stage monitoring, the MR DJ USA HA800PRO delivers dependable professional performance.\u003c\/h5\u003e\n\u003ch5\u003eGeneral Features\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003eProfessional 8-Channel Stereo Headphone Amplifier\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eUltra-Compact Desktop Design\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eEight Independent Stereo Amplifier Sections\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eIndividual Headphone Volume Controls\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eUltra Low-Noise Circuit Design\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eHigh-Power Headphone Outputs\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eProfessional Audio Monitoring\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eCompatible with Most Headphone Types\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eRugged Metal Construction\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eStudio \u0026amp; Live Sound Ready\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eDC Power Supply Included\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eReliable Long-Life Design\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ch5\u003eProduct Information\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003eModel: HA800PRO\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eBrand: MR DJ USA\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eProduct Type: Stereo Headphone Amplifier\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eNumber of Channels: 8\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eAudio Features\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003e8 Independent Stereo Amplifier Sections\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eHigh-Power Stereo Headphone Outputs\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eIndividual Output Level Controls\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eUltra Low-Noise Operation\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003ePremium 4580 Operational Amplifiers\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eHigh-Fidelity Audio Performance\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eCompatibility\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003eCompatible with Virtually All Headphone Types\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003ePower\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003ePower Supply: DC 12V\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eDC Power Adapter Included\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eConstruction\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003eHeavy-Duty Metal Housing\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eCompact Professional Desktop Design\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eFinish: Black\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003ePerfect For\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003eRecording Studios\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eHome Studios\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003ePodcast Production\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eLive Sound\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eBroadcast Studios\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eRehearsal Rooms\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eMusicians\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eAudio Engineers\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eDJs\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eHouses of Worship\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eEducational Audio Labs\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eMultimedia Production\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003ePackage Includes\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003e(1) MR DJ USA HA800PRO Professional 8-Channel Stereo Headphone Amplifier\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003e(1) DC 12V Power Adapter\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWarranty\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003e1-Year Manufacturer's Warranty\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWarning:\u003cbr\u003eThis product can expose you to chemicals known to the State of California to cause cancer. For more information, go to P65Warnings.ca.\u003c\/h5\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e","brand":"MR DJ USA","offers":[{"title":"Default Title","offer_id":47898878574824,"sku":"HA800PRO","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/9166\/5128\/files\/61OYwfqQA-L._AC_SL1500.jpg?v=1768610334"},{"product_id":"on-stage-ha4000-four-channel-headphone-amp","title":"On-Stage HA4000 Four-Channel Headphone Amp","description":"\u003ch5\u003eOn-Stage HA4000 Four-Channel Headphone Amplifier with Independent Volume Controls\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003eThe On-Stage HA4000 Four-Channel Headphone Amplifier is the ideal solution for recording studios, podcasting, broadcasting, live streaming, and music production environments where multiple listeners need to monitor the same audio source. Featuring one stereo 1\/4-inch TRS input and four independent stereo headphone outputs, the HA4000 allows up to four users to listen simultaneously while adjusting their own listening volume.\u003c\/h5\u003e\n\u003ch5 class=\"isSelectedEnd\"\u003eCompact yet powerful, the HA4000 delivers clean, low-noise audio with exceptional clarity across the entire volume range. Whether you're tracking musicians in the studio, monitoring a live broadcast, or sharing playback during mixing sessions, this headphone amplifier provides reliable, professional-quality performance.\u003c\/h5\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003eDistributes one stereo audio source to four headphone outputs\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eFour independent volume controls for personalized listening levels\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eHigh-quality, low-noise audio performance\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eCompact and space-saving design\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eIdeal for recording studios, podcasting, broadcasting, and live streaming\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eAllows multiple users to monitor the same audio source simultaneously\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003ePerfect for recording sessions, rehearsals, and audio playback\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eIncludes DC power adapter\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003eModel: HA4000\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eProduct Type: Four-Channel Headphone Amplifier\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eApplication: Recording, Audio Playback, Monitoring\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eNumber of Outputs: 4 Independent Stereo Headphone Outputs\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eInput Connector: 1\/4\" TRS Stereo\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eOutput Connectors: Four 1\/4\" TRS Stereo\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eInput Impedance: 1000 kΩ (Unbalanced)\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eOutput Impedance: Minimum 10 Ω per Channel\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eMaximum Gain: 20 dB per Channel\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eMaximum Output Level: +22 dB\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eSignal-to-Noise Ratio: \u0026gt;98 dB\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003ePower Supply: 12V–18V DC Adapter (Included)\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eApplications\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003eRecording studios\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003ePodcast production\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eLive streaming\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eBroadcast monitoring\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eMusic rehearsals\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eAudio playback systems\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eHome studios\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eContent creation\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eClassroom and training environments\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003ePackage Includes\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003ch5\u003e1 × On-Stage HA4000 Four-Channel Headphone Amplifier\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003e12V–18V DC Power Adapter\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eUser Manual\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cspan class=\"propertiesValue-span\" itemprop=\"value\"\u003eWarning:\u003cbr\u003eThis product can expose you to chemicals known to the State of California to cause cancer. For more information, go to P65Warnings.ca.\u003c\/span\u003e\u003c\/h5\u003e","brand":"On-Stage","offers":[{"title":"Default Title","offer_id":48056849531112,"sku":"HA4000","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/9166\/5128\/files\/HA4000_4.jpg?v=1770903071"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/9166\/5128\/collections\/61OYwfqQA-L._AC_SL1500.webp?v=1785018751","url":"https:\/\/absolutepromusic.com\/collections\/headphone-amplifier.oembed","provider":"absoluteusa","version":"1.0","type":"link"}