Diamond Audio MP525 & MP654 Pro Audio Horn Speaker Bundle with MICRO4V2 4-Channel Amplifier, MSPWHR Wiring Kit, MSRCA2 RCA Harness, BT1700 Electrical Tape & Phone Holder

Upgrade your compatible motorcycle audio system with this Diamond Audio speaker, amplifier, and wiring bundle. Featuring MP525 and MP654 pro audio horn speakers paired with the MICRO4V2 four-channel Class D amplifier, this package combines high-sensitivity sound reproduction with compact amplification.

The included MSRCA2 two-channel RCA output harness supports select Harley-Davidson factory audio systems, while the MSPWHR kit supplies power, ground, remote turn-on wiring, and inline fuse protection. Absolute BT1700 electrical tape and a universal mobile phone holder complete the bundle.

General Features

• Pro Audio Horn Speakers: Includes Diamond Audio MP525 and MP654 speakers with integrated horns for strong output and clear high-frequency reproduction.

• High-Sensitivity Design: Both speaker models have a listed sensitivity of 101dB at 1W/1m.

• Durable Speaker Construction: Heavy-duty die-cast aluminum baskets provide rigid support.

• Voice Coil Cooling: Dedicated heat sink designs help dissipate heat during operation.

• Speaker Crossover Filtering: Integrated 12dB crossover filters support frequency separation and tweeter protection.

• Four-Channel Amplification: MICRO4V2 delivers 80W x 4 at 4 ohms or 150W x 4 at 2 ohms.

• Bridged Operation: Amplifier supports 300W x 2 at 4 ohms bridged.

• Adjustable Crossovers: Variable high-pass and low-pass filters allow frequency adjustment.

• Compact Amplifier Housing: Aluminum chassis accommodates applications with limited space.

• Motorcycle RCA Harness: MSRCA2 provides two-channel RCA outputs with integrated load resistors for compatible factory systems.

• Power Wiring Included: MSPWHR includes 8-gauge power and ground cables, remote wire, a weather-resistant fuse holder, and a 60A fuse.

• Electrical Tape Included: Comes with Absolute BT1700 electrical tape.

• Phone Holder Included: Includes a universal mobile phone holder.

Specifications

Diamond Audio MP654 Speakers

• Speaker Type: Full-Range Pro Audio Speaker with Integrated Horn

• RMS Power Handling: 150W

• Maximum Power Handling: 300W

• Woofer Voice Coil: 1.5", 4-Ohm, Single-Layer High-Temperature Coil

• Woofer Voice Coil Former: Black-Coated

• Tweeter Voice Coil: 1", 8-Ohm, Single-Layer High-Temperature Coil

• Magnet Structure: High-Temperature Ferrite Strontium

• Basket Material: Die-Cast Aluminum

• Frequency Response: 110Hz–18kHz

• Sensitivity: 101dB at 1W/1m

• Crossover: 12dB

• Mounting Depth: 3.33" / 84.6mm

• Mounting Diameter: 5.73" / 145.5mm

Diamond Audio MP525 Speakers

• Speaker Size: 5.25"

• Speaker Type: Full-Range Pro Audio Coaxial Horn Speaker

• RMS Power Handling: 150W per Speaker

• Maximum Power Handling: 300W per Speaker

• Magnet Structure: High-Temperature Neodymium

• Basket Material: Die-Cast Aluminum

• Woofer Voice Coil: 1.5", Single-Layer High-Temperature Coil

• Tweeter Voice Coil: 1", Single-Layer High-Temperature Coil

• Voice Coil Formers: Black-Coated

• Frequency Response: 110Hz–18kHz

• Sensitivity: 101dB at 1W/1m

• Crossover: 12dB Second-Order Filter

• Mounting Depth: 2.99" / 76mm

• Mounting Diameter: 4.68" / 119mm

Diamond Audio MICRO4V2 Amplifier

• Amplifier Type: Full-Range Class D

• Channel Configuration: 4-Channel

• Power Supply: Full PWM

• RMS Power at 4 Ohms: 80W x 4

• RMS Power at 2 Ohms: 150W x 4

• Bridged Power at 4 Ohms: 300W x 2

• Supply Voltage Range: 10.0–17.0V DC

• Idle Current: 0.7A

• Total Harmonic Distortion: 0.5% at 1kHz, 4 Ohms

• Low-Level Input Sensitivity: 200mV–10V

• Input Impedance: 20k Ohms

• Output Impedance: 0.018 Ohm

• Damping Factor: Greater Than 70 at 50Hz, 4 Ohms

• Variable High-Pass Crossover: 40–400Hz

• Variable Low-Pass Crossover: 40–400Hz

• Crossover Slope: 12dB per Octave

• Subsonic Crossover: Not Available

• Amplifier Fuse Rating: 40A ATC

• Dimensions: 230.5 × 103 × 37.2mm

Diamond Audio MSRCA2 RCA Output Harness

• Harness Type: Motorsport Two-Channel RCA Output Harness

• Function: Connects Compatible Factory Audio Systems to an Aftermarket Amplifier

• RCA Output Channels: 2

• Integrated Components: Load Resistors

• Vehicle Application: Select 2014-Up Harley-Davidson Touring Models

Diamond Audio MSPWHR Wiring Kit

• Power Wire: 6-Foot Red 8-Gauge Cable with Battery Ring Terminal

• Ground Wire: 5-Foot Black 8-Gauge Cable with Ring Terminal

• Remote Wire: 16-Inch Blue 18-Gauge Wire with Spade Terminal

• Fuse Holder: Weather-Resistant Inline Maxi Fuse Holder

• Included Wiring Kit Fuse: 60A Maxi-Style

Vehicle Compatibility

MSRCA2 harness applications:

• Harley-Davidson Street Glide: Select 2014-up models

• Harley-Davidson Electra Glide: Select 2014-up models

• Harley-Davidson Ultra Glide: Select 2014-up models, as listed in the supplied application information

Fitment Note: Harness compatibility does not guarantee speaker or amplifier fitment. Confirm your exact motorcycle model, year, factory audio configuration, speaker mounting dimensions, and available amplifier space before purchasing. The MSRCA2 provides two RCA output channels; confirm compatibility with your intended four-channel amplifier configuration.

Package Includes

• Diamond Audio MP525 5.25" Pro Audio Coaxial Horn Speakers — Quantity as Supplied in the Bundle

• Diamond Audio MP654 Full-Range Pro Audio Horn Speakers — Quantity as Supplied in the Bundle

• (1) Diamond Audio MICRO4V2 Four-Channel Class D Amplifier

• (1) Diamond Audio MSRCA2 Two-Channel RCA Output Harness

• (1) Diamond Audio MSPWHR Power and Ground Wiring Kit, Including Remote Wire, Inline Maxi Fuse Holder, and 60A Fuse

• (1) Absolute BT1700 Electrical Tape

• (1) Universal Mobile Phone Holder

California Proposition 65 Warning

This product can expose you to chemicals known to the State of California to cause cancer. For more information, go to P65Warnings.ca.