By Diamond Audio

4-Channel MICRO8U Series Full Range Class D Amplifier - MICRO84U

Regular price $499.99
Regular price Sale price $499.99
Brand: Diamond Audio
SKU: MICRO84U
Diamond Audio black finish amplifier mounted inside an engine bay

Building on the success of the MICRO series

The MICRO8U Series amps redefine power and performance.

Diamond Audio amplifier front view with blue steel finish and crescent moon logo

From the MICRO series legacy to the conformal-coated powerhouse

MICRO8U amps are built for all-weather durability and increased power.

4-Channel Full Range Class D Amplifier

Power your entire system with precision and efficiency using the Diamond Audio MICRO8U 4-Channel Full Range Class D Amplifier. Designed for high-performance audio enthusiasts, this compact 4-channel amplifier delivers clean, dynamic sound while offering the durability needed for car audio, marine, motorcycle, and powersports applications.

Part of the advanced Diamond Audio MICRO8U amplifier series, this Class D car audio amplifier is engineered to provide maximum efficiency and increased power output in a compact footprint. With 80W x 4 at 4 ohms, 150W x 4 at 2 ohms, and 300W x 2 bridged at 4 ohms, the MICRO8U 4-channel amplifier is perfect for powering full-range speakers or bridging channels for more demanding applications.

Built for real-world environments, the Diamond Audio MICRO8U amplifier features a conformal-coated circuit board, making it ideal for all-weather use. Whether installed in a boat, motorcycle, ATV, UTV, or outdoor vehicle, this weather-resistant amplifier is designed to withstand moisture, dust, and harsh conditions without sacrificing performance.

The ultra-compact amplifier design allows for flexible installation in tight spaces, while the uniform MICRO8U platform ensures a sleek and professional appearance across your entire system. With selectable REM, VOX, and DC turn-on modes, as well as 2-channel and 4-channel input options, this versatile car audio amplifier integrates seamlessly into factory or aftermarket setups.

Advanced tuning controls include a 40–400Hz crossover filter, wide frequency response (10Hz–33kHz), and adjustable input sensitivity (0.2–10V), allowing precise customization for optimal sound performance.

Key Features

• 4-channel full range Class D amplifier
• 80W x 4 @ 4Ω / 150W x 4 @ 2Ω / 300W x 2 bridged
• Compact, space-saving design
• Conformal-coated for all-weather durability
• Selectable REM / VOX / DC turn-on modes
• 2CH / 4CH input flexibility
• Adjustable crossover and input sensitivity
• Includes RCA input & speaker output harness kits

The Diamond Audio MICRO8U 4-Channel Amplifier delivers powerful, clean, and reliable performance in a compact design, making it the perfect solution for high-performance audio systems in any environment.

 

Specifications

  • 4-CHANNEL 
  • 300W x 2 @ @ 4Ω RMS BRIDGED
  • 150W x 4 @ 2Ω 
  • 80W x 4 @ 4Ω  
  • ALL-WEATHER APPLICATION
  • Input Sensitivity: 0.2-10 Volt
  • Crossover Filter : 40-400Hz, 12dB Per Octave Slope
  • Frequency Response: 10-33KHz
  • 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 37.2 mm
  • Disconnected RCA Input & Speaker Output Harness Kits Included

Specifications


MICRO8U Amplifiers - Frequently Asked Questions

Q1: What are MICRO8U Amplifiers designed for?
A: They are designed for motorcycles, cars, boats, UTVs, and other mobile audio systems, especially where installation space is limited.

Q2: What technology does the MICRO8U Series use?
A: MICRO8U uses full-range Class D digital amplification for efficient power with low heat and current draw.

Q3: Are MICRO8U Amplifiers suitable for Harley-Davidson motorcycles?
A: Yes. They are particularly suited to Harley-Davidson fairing and saddlebag installations, while remaining versatile for other mobile applications.

Q4: Can MICRO8U Amplifiers work with factory audio systems?
A: Yes. Flexible crossover controls and input options allow integration with factory and aftermarket head units.

Q5: Why choose MICRO8U Amplifiers?
A: MICRO8U combines ultra-compact installation, efficient Class D power, vibration resistance, and thermal protection for demanding mobile audio systems.