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

Diamond Audio MICRO82U 2-Channel Full Range Class D Amplifier

Get clean, high-output power in a compact, all-weather package with the Diamond Audio MICRO82U 2-Channel Full Range Class D Amplifier. Built for enthusiasts running car, motorcycle, marine, and powersports audio systems, the MICRO82U delivers serious performance without taking up serious space.

Running a full-range Class D topology, this amp puts out 150W x 2 @ 4Ω, 250W x 2 @ 2Ω, and 500W bridged @ 4Ω — enough to drive a quality speaker pair or a subwoofer with authority. The conformal-coated PCB makes it genuinely all-weather capable, holding up in marine, ATV, UTV, motorcycle, and outdoor audio environments where moisture and vibration are part of the deal.

Installation is straightforward with selectable REM, VOX, and DC turn-on modes and 2-channel or 4-channel input options for compatibility with factory and aftermarket head units. Dial in your sound with the 40–400Hz crossover filter (12dB slope) and 0.2–10V adjustable input sensitivity. The uniform MICRO8U platform dimensions keep multi-amp builds clean and consistent.

Key Features

• 2-channel full range Class D amplifier
• 150W x 2 @ 4Ω / 250W x 2 @ 2Ω / 500W bridged @ 4Ω
• Conformal-coated PCB for all-weather durability
• Selectable REM / VOX / DC turn-on modes
• Selectable 2CH / 4CH input modes
• 40–400Hz crossover filter, 12dB per octave slope
• Adjustable input sensitivity: 0.2–10V
• Disconnected RCA input & speaker output harness kits included

Specifications

• 2-Channel
• Max Power: 500W
• 250W x 2 @ 2Ω
• 150W x 2 @ 4Ω
• 500W x 1 @ 4Ω Bridged
• All-Weather Application
• Input Sensitivity: 0.2–10V
• Crossover Filter: 40–400Hz, 12dB Per Octave Slope
• Frequency Response: 10Hz–33kHz
• Selectable REM / VOX / DC Turn On Modes
• Selectable 2CH / 4CH Input Modes
• Dimensions: 9.1" x 4.1" x 1.46" / 230.5 x 103 x 37.2mm
• Disconnected RCA Input & Speaker Output Harness Kits Included