Diamond Audio MICRO82U 2-Channel MICRO8U Series Full Range Class D Car Amplifier

Diamond Audio MICRO82U

Experience compact power and all-weather performance with the Diamond Audio MICRO8U 2-Channel Full Range Class D Amplifier, engineered for enthusiasts who demand high output, efficiency, and durability. Building on the success of the original MICRO series, the MICRO8U amplifier delivers increased power and advanced technology, making it the perfect upgrade for car audio, motorcycle, marine, and powersports systems.

Designed from the ground up, the Diamond Audio MICRO8U 2-channel amplifier features a full-range Class D topology, providing clean, efficient power across the entire frequency spectrum. With impressive output capabilities, this high power car audio amplifier delivers 150W x 2 at 4 ohms, 250W x 2 at 2 ohms, and up to 500W bridged, making it ideal for powering speakers or subwoofers in compact, high-performance systems.

Built for real-world conditions, the MICRO8U Class D amplifier is conformal-coated for all-weather applications, ensuring long-lasting reliability in marine, motorcycle, ATV, UTV, and outdoor audio environments. Whether you're cruising on the water or riding through rugged terrain, this water-resistant amplifier is designed to perform in demanding conditions.

The compact amplifier design allows for easy installation in tight spaces, while the uniform platform and dimensions across most MICRO8U models ensure a clean and professional setup. With selectable REM, VOX, and DC turn-on modes, along with 2-channel or 4-channel input options, this versatile car audio amplifier integrates seamlessly into factory or aftermarket systems.

Features:

• 2-Channel Full Range Class D Amplifier
• Up to 500W Max Power Output
• 150W x 2 @ 4Ω / 250W x 2 @ 2Ω / 500W Bridged
• Conformal-coated for All-Weather Durability
• Compact Design for Easy Installation
• Selectable REM / VOX / DC Turn-on Modes
• Adjustable Crossover and Input Sensitivity
• Includes RCA Input & Speaker Output Harness Kits

Specifications

2-Channel MICRO8U Series Full Range Class-D Amplifier

Power Rating

• Max Power : 500 W x 1
• RMS Power (2 Ω) : 250 W x 2
• RMS Power (4 Ω) : 150 W x 2
• Bridged (mono 4 Ω) : 500 W x 1

Power Supply

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

Distortion

• THD 4 (1KHz @4Ω) : 0.5%
• S/N Ratio (A Weighted @1W) : -85dBA
• S/N Ratio (A Weighted @ FP) : -101.1dBA

Input Sensitivity

• Low Input Level : 200mV - 10V
• High Input Level : N/A

Input Impedance

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

Output Stage

• Output Impedance : 0.0297 Ω
• Damping Factor (50Hz @ 4Ω) : >250
• Bandwidth (-3dB) : 10Hz-30KHz

Crossover (-12dB/Oct)

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

Fuse Ratings

• ATC : 25A

Dimensions

• L x W x H : 9.0" x 4.06" x 1.52" (228.6 x 103.12 x 38.61)mm