Diamond Audio MICRO4V2 4-Channel MICROV2 Series Full Range Class D Car Amplifier

Diamond Audio MICRO4V2

Upgrade your system with compact power and precision using the Diamond Audio MICROV2 4-Channel Full Range Class D Amplifier. Designed for enthusiasts who demand high performance in a small footprint, this 4-channel car audio amplifier delivers clean, dynamic sound for car, marine, motorcycle, and powersports audio systems.

Built on ultra-efficient full-range Class D technology, the Diamond Audio MICROV2 4-channel amplifier produces impressive output with 80W x 4 at 4 ohms, 150W x 4 at 2 ohms, and 300W x 2 bridged at 4 ohms. This makes it perfect for powering full-range speakers, upgrading factory systems, or building a high-performance multi-speaker setup.

Engineered for reliability, the MICROV2 Class D amplifier features advanced Rollback and Thermal Protection, allowing continuous playback without overheating or shutdown. The high-density aluminum alloy chassis enhances heat dissipation while maintaining an ultra-compact design that fits easily in tight installation spaces.

The Diamond Audio MICROV2 amplifier also includes balanced differential inputs, ensuring noise-free signal transmission for clean and accurate audio reproduction. With selectable LPF / FLAT / HPF crossovers, a 40–400Hz adjustable crossover filter, and 12dB bass boost at 45Hz, this versatile amplifier allows precise tuning for optimal sound performance.

Installation is simple and flexible thanks to selectable REM, VOX, and DC turn-on modes, making the MICROV2 4-channel amplifier compatible with both factory and aftermarket head units. The 2-channel and 4-channel input options provide additional flexibility for a wide range of audio configurations.

Features:

• 4-Channel Full Range Class D Amplifier
• 80W x 4 @ 4Ω / 150W x 4 @ 2Ω / 300W x 2 Bridged
• Ultra-compact Aluminum Chassis Design
• Advanced Rollback & Thermal Protection
• Balanced Differential Inputs for Clean Signal
• Selectable LPF / FLAT / HPF Crossovers
• Selectable REM / VOX / DC Turn-on Modes
• 2CH / 4CH Input Flexibility
• Includes RCA Input & Speaker Output Harness Kits

Specifications

4-Channel MICROV2 Series Full Range Class-D Amplifier

Power Rating

• RMS Power (2 Ω) : 150 W X 4
• RMS Power (4 Ω) : 80 W X 4
• Bridged (mono 4 Ω) : 300 W X 2

Power Supply

• Power Supply : Full PWM
• Power Supply Threshold : 10.0VDC - 17.0VDC
• Idle Current : (0.7A)

Distortion

• THD 4 (1KHz @ 4Ω) : 0.50%
• S/N Ratio (A Weighted @ 1W) : -85dBA
• S/N Ratio (A Weighted @ FP) : -101.1dBA

Input Sensitivity

• Low Input Level : 200mV - 10.0V
• High Input Level : N/A

Input Impedance

• Low Input Level : 20 KΩ
• AUX Input Level : 20 KΩ

Output Stage

• Output Impedance : 0.018 Ω
• Damping Factor (50Hz @ 4Ω) : >70
• Bandwidth (-3dB) : 10Hz - 35Hz

Crossover (-12dB/Oct)

• Variable High-Pass : 40Hz - 400Hz
• Variable Low-Pass : 40Hz - 400Hz
• Variable Sub-Sonic : N/A

Fuse Ratings

• ATC : 40 A

Dimensions

• L x W x H : 9.07" x 4.0" x 1.46" (230.5 x 103 x 37.2)mm