All Alpine Car Amplifiers (128)

Alpine S2-A55V S-Series Next Gen High-Resolution 5-Channel Car Audio Amplifier & RUX-KNOB.2 Remote Bass Knob Bundle Alpine introduces the all-new S-Series amplifiers - a perfect match for the speakers. These amps have an excellent Watts-per-Euro ratio in the Class-D category, feature a very high heat resistance, and won’t shut down due to overheating. They also feature excellent sound quality in their price range. General Features: Class D 2 ohms Stable 5-Channel Amplifier RMS Power Rating: 4 ohms: 40 watts x 4 channel + 200 watts x 1 channel RMS Power Rating: 2 ohms: 60 watts x 4 channel + 300 watts x 1 channel Bridged: 120 watts x 2 channel @ 4 ohms + 300 watts x 1 channel @ 2 ohms Total power output: 540 watts CEA-2006 Compliant Amplifier LED Power/Protect Light Includes preamp- and speaker-level (high-level) inputs Wired remote bass level control included 3-way protection circuitry (thermal, overload, and speaker short protection) Frequency Response: 10 - 30,000 Hz Total Harmonic Distortion (THD): 1% Signal Noise Ratio: 83 dB Variable Bass Boost: 0 - 12 dB bass boost at 50 Hz Fuse Rating: 60A Enhanced Shutdown Performance technology 4 AWG gauge power and ground wiring are recommended for installation. Dimensions: 13-1/4" W x 8-1/16" L x 2-5/16" H Authorized Internet Dealer 1-year Manufacturer's Warranty What is in the S2-A55V package: S2-A55V owner's manual 5-Channel amplifier Two 30-amp ATO fuses 2 End caps Four 3/4" Screws Four 1/4" screws 2mm Allen key Owner's manual Alpine Verification Certificate Warranty information Warning:This product can expose you to, known to the State of California, to cause cancer. For more information, go to P65Warnings.ca.

Alpine R2-A75M 750 W RMS R-Series High-Performance Class-D Mono Sub Amplifier + Absolute KIT4 4 Gauge AMP Kit The innovative and highly anticipated all-new R-Series amplifiers are truly remarkable powerhouse masterpieces. With a meticulous approach, every aspect of their design composition and engineering has been embarked upon to achieve sonic excellence and power performance, all while embodied in a compact form factor. Furthermore, they incorporate advances in technology gained from the ultra-high-end Alpine Status series amplifiers. A true class leader, with 750W RMS of onboard power, coupled with its all-digital “no shutdown” circuit design, the R2-A75M maintains peak performance at high power output achieving earth-shattering, authoritative bass at virtually any volume. Be wowed by the bold aesthetic design and stunning build quality—from the moment you see, touch, and hold these amplifiers exude quality. With their solid cast aluminum body, precision machined finishes, and high-quality terminal blocks, every detail is premium and first-class. General Features: R-Series Class D 2 ohms Stable Monoblock Amplifier RMS Power Rating: 4 ohms: 500 watts x 1 channel RMS Power Rating: 2 ohms: 750 watts x 1 channel Total RMS power output: 750 watts LED Power/Protect Light 1 pair of pre-amp outputs Input sensitivity: Low level: 0.1 - 4.0 volts Input sensitivity: High level: 0.4 - 10 volts Frequency Response: 10 - 400 Hz Total Harmonic Distortion (THD): 1% Signal to Noise Ratio: 75 dB Variable low-pass filter: 50 - 400 Hz Subsonic filter: 0 - 40 Hz Variable Bass Boost: 0 - 12 dB Fuse Rating: 80A 4 AWG gauge amplifier wiring kit is recommended for installation Dimensions: 11-1/8" L x 6-1/2" W x 2-3/16" H Authorized Internet Dealer 1-year Manufacturer's Warranty What is in the R2-A75M package: R2-A75M owner's manual Mono subwoofer amplifier Four 1" pan-head screws 3mm Allen key 2.5mm Allen key Owner's manual Alpine Verification Certificate Warranty information ⚠️Warning:This product can expose you to, known to the State of California, to cause cancer. For more information, go to P65Warnings.ca.

Alpine R2-A75M 750 W RMS R-Series High-Performance Class-D Mono Sub Amplifier The innovative and highly anticipated all-new R-Series amplifiers are truly remarkable powerhouse masterpieces. With a meticulous approach, every aspect of their design composition and engineering has been embarked upon to achieve sonic excellence and power performance, all while embodied in a compact form factor. Furthermore, they incorporate advances in technology gained from the ultra-high-end Alpine Status series amplifiers. A true class leader, with 750W RMS of onboard power, coupled with its all-digital “no shutdown” circuit design, the R2-A75M maintains peak performance at high power output achieving earth-shattering, authoritative bass at virtually any volume. Be wowed by the bold aesthetic design and stunning build quality—from the moment you see, touch, and hold these amplifiers exude quality. With their solid cast aluminum body, precision machined finishes, and high-quality terminal blocks, every detail is premium and first-class. General Features: R-Series Class D 2 ohms Stable Monoblock Amplifier RMS Power Rating: 4 ohms: 500 watts x 1 channel RMS Power Rating: 2 ohms: 750 watts x 1 channel Total RMS power output: 750 watts LED Power/Protect Light 1 pair of pre-amp outputs Input sensitivity: Low level: 0.1 - 4.0 volts Input sensitivity: High level: 0.4 - 10 volts Frequency Response: 10 - 400 Hz Total Harmonic Distortion (THD): 1% Signal to Noise Ratio: 75 dB Variable low-pass filter: 50 - 400 Hz Subsonic filter: 0 - 40 Hz Variable Bass Boost: 0 - 12 dB Fuse Rating: 80A 4 AWG gauge amplifier wiring kit is recommended for installation Dimensions: 11-1/8" L x 6-1/2" W x 2-3/16" H Authorized Internet Dealer 1-year Manufacturer's Warranty What is in the R2-A75M package: R2-A75M owner's manual Mono subwoofer amplifier Four 1" pan-head screws 3mm Allen key 2.5mm Allen key Owner's manual Alpine Verification Certificate Warranty information ⚠️Warning:This product can expose you to, known to the State of California, to cause cancer. For more information, go to P65Warnings.ca.

Alpine R2-A60F R-Series Hi-Res 4 Channel 600 Watt Class D Car Audio Amplifier & Absolute KIT4 4 Gauge / 2000 Watt Complete Amplifier Hookup Installation Kit Bundle Experience the impressive power and exceptional performance of the Next-Gen R-Series R2-A60F 4-Channel Amplifier, now certified for Hi-Res Audio Playback. The R2-A60F features a reduced footprint that’s 15% smaller than the previous model (R-A60F), making it easier than ever to install in most vehicle applications while still getting the same powerhouse performance. General Features: R-Series Class D 2 ohms Stable 4-Channel Amplifier RMS Power Rating: 4 ohms: 100 watts x 4 channel RMS Power Rating: 2 ohms: 150 watts x 4 channel RMS Power Rating: Bridged: 300 watts x 2 channel @ 4 ohms Total power output: 600 watts LED Power/Protect Light Signal sensing remote turn-on Hi-Res Certified CTA-2006 compliant Low level: 0.2 - 4 volts Input sensitivity High level: .5 - 10 volts Input sensitivity Frequency Response: 10 - 45000 Hz Total Harmonic Distortion (THD): <1% Signal to Noise Ratio: 80 dB Variable high-pass filter: 50 - 6,000 Hz Variable low-pass filter: 50 - 400 Hz Fuse Rating: 60A 4 AWG gauge amplifier wiring kit is recommended for installation Dimensions: 11.12" L x 6.92" W x 2.14" H Authorized Internet Dealer 1-year Manufacturer's Warranty What is in the R2-A60F Package: Alpine R2-A60F owner's manual 4-Channel amplifier (2 installed 30A ATO fuses) Four 1" pan-head screws 3mm Allen key 2.5mm Allen key 2mm Allen key Alpine Verification Certificate Warranty information Power supply note Warning:This product can expose you to, known to the State of California, to cause cancer. For more information, go to P65Warnings.ca.

Alpine R2-A60F R-Series Hi-Res 4 Channel 600 Watt Class D Car Audio Amplifier Experience the impressive power and exceptional performance of the Next-Gen R-Series R2-A60F 4-Channel Amplifier, now certified for Hi-Res Audio Playback. The R2-A60F features a reduced footprint that’s 15% smaller than the previous model (R-A60F), making it easier than ever to install in most vehicle applications while still getting the same powerhouse performance. General Features: R-Series Class D 2 ohms Stable 4-Channel Amplifier RMS Power Rating: 4 ohms: 100 watts x 4 channel RMS Power Rating: 2 ohms: 150 watts x 4 channel RMS Power Rating: Bridged: 300 watts x 2 channel @ 4 ohms Total power output: 600 watts LED Power/Protect Light Signal sensing remote turn-on Hi-Res Certified CTA-2006 compliant Low level: 0.2 - 4 volts Input sensitivity High level: .5 - 10 volts Input sensitivity Frequency Response: 10 - 45000 Hz Total Harmonic Distortion (THD): <1% Signal to Noise Ratio: 80 dB Variable high-pass filter: 50 - 6,000 Hz Variable low-pass filter: 50 - 400 Hz Fuse Rating: 60A 4 AWG gauge amplifier wiring kit is recommended for installation Dimensions: 11.12" L x 6.92" W x 2.14" H Authorized Internet Dealer 1-year Manufacturer's Warranty What is in the R2-A60F Package: Alpine R2-A60F owner's manual 4-Channel amplifier (2 installed 30A ATO fuses) Four 1" pan-head screws 3mm Allen key 2.5mm Allen key 2mm Allen key Alpine Verification Certificate Warranty information Power supply note Warning:This product can expose you to, known to the State of California, to cause cancer. For more information, go to P65Warnings.ca.

Alpine KTA-30MW Car Amplifier Mono 300-Watt RMS Weather Resistant Tough Power Pack Amplifier A TOUGH MINI AMP THAT PACKS A PUNCH Get big amp performance in a compact, resilient package. With Alpine’s exclusive technology, Dynamic Peak Power (D.P.P.), the KTA-30MW Weather Resistant Tough Power Pack will surely deliver powerful bass output for subwoofers used in those open cab vehicles and toys. This small and efficient amplifier can be installed with an aftermarket or factory head unit while adding up to 600 watts of D.P.P. power. Its weather resistance makes the KTA-30MW a good choice for use in exposed installations like side-by-sides, boats, open-top vehicles, and motorcycle saddlebags. A SOUND SYSTEM BOOST WITHOUT THE BIG SPACE COMMITMENT The KTA-30MW is perfect for when you want to add subwoofer power but don’t have space for a large amplifier. It is compatible with an aftermarket or factory head unit and provides up to 600 DPP watts to the subwoofer of your choice. HALF THE SIZE OF OUR SMALLEST TRADITIONAL AMPLIFIERS The KTA-30MW measures just 9-3/16” (W) x 1-5/8” (H) x 3-3/4” (D), so its small footprint lets it fit where most amplifiers won’t, like under the dash or in the glove compartment, installed under the dash of a side-by-side, placed in the saddlebag of a motorcycle, or used in other places where space is an issue. General Features: Alpine KTA-30MW Class D Monoblock Weather Resistant Power Pack Amplifier 300 Watts RMS X 1 @ 4 Ohms Power Handling 600 Watts RMS X 1 @ 2 Ohms Power Handling CTA-2006 compliant Frequency Response: 20-400 Hz Total Harmonic Distortion (THD): <1% Signal to Noise Ratio: 83dB Variable Low Pass filter 50-400Hz @ -24dB/Oct. Variable Bass Boost (0-12 dB at 50 Hz) Fuse Rating: 25A Weather-resistant (IP66 rating) Dynamic Peak Power (D.P.P.) technology intelligently adjusts the gain to automatically adapt to musical needs Dimensions: 7” W x 3.5” H x 1.25” D Authorized Dealer 1-year Manufacturer's Warranty What is in the KTA-30MW package: KTA-30MW owner's manual Mono amplifier 14" Power/signal harness (26-pin connector on one end and bare wires + RCAs on other ends) 4 Self-tapping screws (Length 3/4") Connection sheet Limited Warranty sheet ⚠️Warning:Cancer and Reproductive Harm-www.P65Warnings.ca.gov

Alpine R-Series R2-A150M 1500 W RMS High-Performance Class-D Mono Sub Amplifier + Absolute KIT4 4 Gauge Amp Kit The Alpine “R-Series” line of speakers, subwoofers, and amplifiers have a heritage of sound quality you can hear from a block away, and the newly added R-Series amplifiers are no exception. Aside from their best-in-class performance, these amplifiers are tuned to emphasize the characteristics of the R-Series speakers and subwoofers, giving you that legendary R-Series experience. They have a 15% reduced footprint compared to the previous models and are easier to install.If you like loud and clear music, our Alpine R-Series R2-A150M mono amplifier is for you. It cleanly reproduces the bass in your music so you can enjoy the enhanced realism you want, even when you're playing High-Res music. We built some of our top-of-the-line amplifier technology into this R2-Series amp, including high-efficiency transformers, premium low-noise custom capacitors, and low-distortion dual "Sierra" feedback/correction circuitry.The R2-A150M mono amplifier produces up to 1200 watts RMS @ 2 Ohms, making it a perfect match for the Alpine R-Series subwoofer line. Advanced Class-D amp technology makes this powerful amp small enough to fit almost any location. You can adjust the amp's low pass, bass boost, and subsonic filter to get the right bass tone. Plus, you can add the optional RUX-KNOB2 remote bass knob to control your bass from the dash. General Features: Mono subwoofer amplifier 1500W Mono Amplifier  RMS Power Output: 700W x 1 @ 4Ω RMS Power Output: 1200W x 1 @ 2Ω RMS Power Output: 1500W x 1 @ 1Ω Class D Amplifier Circuit Preamp and speaker-level inputs Variable bass boost Power Rating: 14.4V, ≤ 1% THD +N The amp includes preamp- and speaker-level inputs Install almost any vehicle, even one with a factory radio Frequency Response: 20Hz – 400Hz S/N Ratio: >75dB optional RUX-KNOB.2 wired remote level control Dimensions: 13.5” W x 2.6” H x 7.3” D What is in the R2-A150M package: Alpine R2-A150M owner's manual Mono subwoofer amplifier Four 1" pan-head screws 3mm Allen key 2.5mm Allen key Owner's manual  Alpine Verification Certificate Warranty information Power supply note Online product registration information ⚠️Warning:This product can expose you to, known to the State of California, to cause cancer. For more information, go to P65Warnings.ca.

Alpine R-Series R2-A150M 1500 W RMS High-Performance Class-D Mono Sub Amplifier + Absolute KIT0 0 Gauge Amp Kit The Alpine “R-Series” line of speakers, subwoofers, and amplifiers have a heritage of sound quality you can hear from a block away, and the newly added R-Series amplifiers are no exception. Aside from their best-in-class performance, these amplifiers are tuned to emphasize the characteristics of the R-Series speakers and subwoofers, giving you that legendary R-Series experience. They have a 15% reduced footprint compared to the previous models and are easier to install.If you like loud and clear music, our Alpine R-Series R2-A150M mono amplifier is for you. It cleanly reproduces the bass in your music so you can enjoy the enhanced realism you want, even when you're playing High-Res music. We built some of our top-of-the-line amplifier technology into this R2-Series amp, including high-efficiency transformers, premium low-noise custom capacitors, and low-distortion dual "Sierra" feedback/correction circuitry.The R2-A150M mono amplifier produces up to 1200 watts RMS @ 2 Ohms, making it a perfect match for the Alpine R-Series subwoofer line. Advanced Class-D amp technology makes this powerful amp small enough to fit almost any location. You can adjust the amp's low pass, bass boost, and subsonic filter to get the right bass tone. Plus, you can add the optional RUX-KNOB2 remote bass knob to control your bass from the dash. General Features: Mono subwoofer amplifier 1500W Mono Amplifier  RMS Power Output: 700W x 1 @ 4Ω RMS Power Output: 1200W x 1 @ 2Ω RMS Power Output: 1500W x 1 @ 1Ω Class D Amplifier Circuit Preamp and speaker-level inputs Variable bass boost Power Rating: 14.4V, ≤ 1% THD +N The amp includes preamp- and speaker-level inputs Install almost any vehicle, even one with a factory radio Frequency Response: 20Hz – 400Hz S/N Ratio: >75dB optional RUX-KNOB.2 wired remote level control Dimensions: 13.5” W x 2.6” H x 7.3” D What is in the R2-A150M package: Alpine R2-A150M owner's manual Mono subwoofer amplifier Four 1" pan-head screws 3mm Allen key 2.5mm Allen key Owner's manual  Alpine Verification Certificate Warranty information Power supply note Online product registration information ⚠️Warning:This product can expose you to, known to the State of California, to cause cancer. For more information, go to P65Warnings.ca.

Alpine S2-A60M Next Generation S-Series Hi Res Class D 600 W Mono Subwoofer Amplifier  + Alpine RUX-KNOB.2 Remote Bass Level Control Alpine's S-Series S2-A60M 600W Mono Amplifier is the perfect solution for unparalleled power and performance on a budget. With a power output of 600W at a 1ohm or 2ohm drive, this mono amp can drive even the most demanding subwoofers, delivering clean and distortion-free bass for a wide range of applications. Plus, its compact design makes it easy to install in any vehicle. General Features: Class D 2 ohms Stable Monoblock Amplifier RMS Power Rating @ 4 ohms: 330 watts x 1 channel RMS Power Rating @ 2 ohms: 600 watts x 1 channel Pulse Width Modulated MOSFET power supply LED Power/Protect Light Optional remote bass level control available for purchase Alpine RUX-KNOB.2 Soft start turn-on Improved heat sink and protection circuit design Speaker-level (high-level) inputs 3-way protection circuitry (thermal, overload, and speaker short protection) Frequency Response: 10 - 400 Hz Total Harmonic Distortion (THD): <1% Signal to Noise Ratio: 85 dB Variable low-pass filter: 50 - 400 Hz Variable Bass Boost: 0 - 12 dB Fuse Rating: 30A x 2 Dimensions: 8-1/16" W x 9-3/16" L x 2-5/16" H Authorized Internet Dealer 1-year Manufacturer's Warranty What's in the S2-A60M PACKAGE: S2-A60M owner's manual Mono subwoofer amplifier 2 End caps Four 3/4" screws Four 1/4" screws 2mm Allen key Owner's manual Alpine Verification Certificate Warranty information Power supply note Online product registration information Warning:This product can expose you to, known to the State of California, to cause cancer. For more information, go to P65Warnings.ca.

Alpine S2-A60M Next Generation S-Series Hi Res Class D 600 W Mono Subwoofer Amplifier  + Alpine RUX-H01 Halo Bass Knob Remote Bass Level Control Alpine's S-Series S2-A60M 600W Mono Amplifier is the perfect solution for unparalleled power and performance on a budget. With a power output of 600W at a 1ohm or 2ohm drive, this mono amp can drive even the most demanding subwoofers, delivering clean and distortion-free bass for a wide range of applications. Plus, its compact design makes it easy to install in any vehicle. General Features: Class D 2 ohms Stable Monoblock Amplifier RMS Power Rating @ 4 ohms: 330 watts x 1 channel RMS Power Rating @ 2 ohms: 600 watts x 1 channel Pulse Width Modulated MOSFET power supply LED Power/Protect Light Optional remote bass level control available for purchase Alpine RUX-KNOB.2 Soft start turn-on Improved heat sink and protection circuit design Speaker-level (high-level) inputs 3-way protection circuitry (thermal, overload, and speaker short protection) Frequency Response: 10 - 400 Hz Total Harmonic Distortion (THD): <1% Signal to Noise Ratio: 85 dB Variable low-pass filter: 50 - 400 Hz Variable Bass Boost: 0 - 12 dB Fuse Rating: 30A x 2 Dimensions: 8-1/16" W x 9-3/16" L x 2-5/16" H Authorized Internet Dealer 1-year Manufacturer's Warranty What's in the S2-A60M PACKAGE: S2-A60M owner's manual Mono subwoofer amplifier 2 End caps Four 3/4" screws Four 1/4" screws 2mm Allen key Owner's manual Alpine Verification Certificate Warranty information Power supply note Online product registration information Warning:This product can expose you to, known to the State of California, to cause cancer. For more information, go to P65Warnings.ca.

Alpine S2-A36F 600W Next Generation S-Series Hi Res Class-D 4-Channel Car Amplifier + Alpine RUX-H01 Halo Bass Knob Remote Bass Level Control The next generation of Alpine S-Series amplifiers is designed to take your car audio experience to the next level without breaking the bank. With a sleek new redesign and upgraded features from their predecessors, these amplifiers offer exceptional performance and power on an affordable budget.The S-Series S2-A36F 4-channel amplifier delivers 60 Watts RMS @4 Ohms or 90 Watts RMS @2 Ohms of pristine high-fidelity signal to your car's front and rear speakers, adding sweet, clear sound to your vehicle.The amp brings your music to life by being Hi-Res Audio certified, with its precise details and emotional power revealed with a frequency response up to 40kHz. For a 3-channel 2-way system, you could also use the amp to drive a pair of front speakers with 60 Watts RMS each while powering a subwoofer with 180 Watts RMS from the bridged rear channels. A variable mid-bass boost on those rear channels allows you to dial in some extra kick and impact to your system's low-frequency sound. You can even add the optional wired remote RUX-KNOB2 to control the level of the rear channels from your front seat.High- and low-pass filters put you in command of the frequency spectrum that reaches your speakers and subs. The amp includes preamp- and speaker-level inputs so you can install it in almost any vehicle, even with a factory radio. When using the speaker-level inputs, the amp can sense the incoming signal and turn itself on, eliminating the need to run a separate turn-on wire to the receiver or fuse box. General Features: Hi-Res Audio Certified (Up to 40kHz) Power Rating: 14.4V, < 0.3% THD +N Power Output: 60W RMS x 4 @ 4Ω, 90W RMS x 4 @ 2Ω Bridged Power: 180W RMS x 2 @ 4Ω 4-Channel Amplifier Alpine’s Class D Amplifier Circuit Two-sided terminal layout Built-in Selectable/ Adjustable Crossovers Mid-Bass EQ Input for more power Optional Remote Bass Knob Compatible (required RUX-KNOB.2 or RUX-H01, sold separately) Dimensions: 8.7” W x 2.25” H x 8.25” D Weight: 4 lbs, 13 oz S/N Ratio: >83dB Frequency Response: 20Hz – 40kHz Damping Factor: >100 Owner’s Manual 4 Self-tapping screws Hexagon wrench What is in the S2-A36F package: S2-A36F owner's manual 4-Channel amplifier 2 End caps Four 3/4" screws Four 1/4" screws 2mm Allen key Owner's manual Alpine Verification Certificate Warranty information Power supply note Online product registration information Warning:This product can expose you to, known to the State of California, to cause cancer. For more information, go to P65Warnings.ca.

Alpine S2-A36F 600W Next Generation S-Series Hi Res Class-D 4-Channel Car Amplifier + Alpine RUX-KNOB.2 Remote Bass Level Control The next generation of Alpine S-Series amplifiers is designed to take your car audio experience to the next level without breaking the bank. With a sleek new redesign and upgraded features from their predecessors, these amplifiers offer exceptional performance and power on an affordable budget.The S-Series S2-A36F 4-channel amplifier delivers 60 Watts RMS @4 Ohms or 90 Watts RMS @2 Ohms of pristine high-fidelity signal to your car's front and rear speakers, adding sweet, clear sound to your vehicle.The amp brings your music to life by being Hi-Res Audio certified, with its precise details and emotional power revealed with a frequency response up to 40kHz. For a 3-channel 2-way system, you could also use the amp to drive a pair of front speakers with 60 Watts RMS each while powering a subwoofer with 180 Watts RMS from the bridged rear channels. A variable mid-bass boost on those rear channels allows you to dial in some extra kick and impact to your system's low-frequency sound. You can even add the optional wired remote RUX-KNOB2 to control the level of the rear channels from your front seat.High- and low-pass filters put you in command of the frequency spectrum that reaches your speakers and subs. The amp includes preamp- and speaker-level inputs so you can install it in almost any vehicle, even with a factory radio. When using the speaker-level inputs, the amp can sense the incoming signal and turn itself on, eliminating the need to run a separate turn-on wire to the receiver or fuse box. General Features: Hi-Res Audio Certified (Up to 40kHz) Power Rating: 14.4V, < 0.3% THD +N Power Output: 60W RMS x 4 @ 4Ω, 90W RMS x 4 @ 2Ω Bridged Power: 180W RMS x 2 @ 4Ω 4-Channel Amplifier Alpine’s Class D Amplifier Circuit Two-sided terminal layout Built-in Selectable/ Adjustable Crossovers Mid-Bass EQ Input for more power Optional Remote Bass Knob Compatible (required RUX-KNOB.2 or RUX-H01, sold separately) Dimensions: 8.7” W x 2.25” H x 8.25” D Weight: 4 lbs, 13 oz S/N Ratio: >83dB Frequency Response: 20Hz – 40kHz Damping Factor: >100 Owner’s Manual 4 Self-tapping screws Hexagon wrench What is in the S2-A36F package: S2-A36F owner's manual 4-Channel amplifier 2 End caps Four 3/4" screws Four 1/4" screws 2mm Allen key Owner's manual Alpine Verification Certificate Warranty information Power supply note Online product registration information Warning:This product can expose you to, known to the State of California, to cause cancer. For more information, go to P65Warnings.ca.