Diamond Audio 8-Channel MICRO8U Series Full Range Class D Amplifier - MICRO88U

Diamond Audio 8-Channel MICRO8U Series Full Range Class D Amplifier - MICRO88U

Take your system to the next level with the Diamond Audio MICRO8U 8-Channel Full Range Class D Amplifier, engineered for maximum control, efficiency, and all-weather performance. Designed for serious enthusiasts, this 8-channel car audio amplifier delivers clean, powerful output for multi-speaker systems in cars, boats, motorcycles, and powersports vehicles.

As part of the advanced Diamond Audio MICRO8U amplifier series, this full range Class D amplifier provides exceptional performance in a compact chassis. With 75W x 8 at 4 ohms, 100W x 8 at 2 ohms, and 200W x 2 bridged at 4 ohms, the MICRO8U 8-channel amplifier is ideal for powering full active systems, multi-zone audio setups, or complex custom installations requiring precise channel control.

Built for demanding environments, the Diamond Audio MICRO8U amplifier features a conformal-coated circuit board, making it a true all-weather amplifier for marine audio systems, motorcycles, UTVs, ATVs, and outdoor installations. This rugged design ensures long-lasting performance by protecting internal components from moisture, dust, and harsh conditions.

The compact amplifier design allows for flexible installation in tight spaces while maintaining a clean and uniform look across MICRO8U systems. With selectable 2-channel or 8-channel input modes, this versatile multi-channel amplifier integrates seamlessly into factory or aftermarket audio systems.

Advanced tuning features include a fixed 70Hz high-pass filter for channels 1–4 and a variable 40–400Hz crossover for channels 5–8, along with a wide frequency response (10Hz–33kHz) and adjustable input sensitivity (0.2–10V). These controls allow precise tuning for optimal sound clarity and system performance.

The Diamond Audio MICRO8U 8-Channel Amplifier delivers powerful, precise, and reliable performance, making it the ultimate solution for high-end multi-channel car audio and outdoor sound systems.

Features

• 8-channel full range Class D amplifier
• 75W x 8 @ 4Ω / 100W x 8 @ 2Ω / 200W x 2 bridged
• Compact, high-efficiency amplifier design
• Conformal-coated for all-weather durability
• Selectable 2CH / 8CH input modes
• Advanced crossover tuning options
• Ideal for multi-speaker and active audio systems
• Includes RCA input & speaker output harness kits

What our Experts Think  

• 8-channel Class D amplifier delivers clean, efficient power for complete multi-speaker audio systems.
• Compact MICRO8U chassis fits easily in tight installation spaces without sacrificing performance.
• High-efficiency design generates less heat while maximizing output and battery efficiency.
• Provides flexible system tuning with multi-channel configuration options for front, rear, and additional speakers.
• Full-range frequency response ensures clear vocals, detailed highs, and impactful mid-bass across every channel.
• Built with premium components and advanced protection circuits for reliable long-term performance.
• An excellent choice for motorcycle, marine, powersports, and compact vehicle audio upgrades where space is limited but high output is essential.

 
Q&A  

Q: What is the Diamond Audio MICRO88U designed for?
A: The MICRO88U is a compact 8-channel Class D amplifier designed to power complete multi-speaker systems in cars, motorcycles, boats, UTVs, and other powersports vehicles with clean, efficient performance.

Q: How much power does the MICRO88U produce?
A: It delivers 75W x 8 RMS at 4Ω, 100W x 8 RMS at 2Ω, or 200W x 4 RMS bridged at 4Ω, making it ideal for high-performance full-range speaker systems.

Q: Is the MICRO88U suitable for marine and motorcycle installations?
A: Yes. Its conformal-coated circuit board provides all-weather durability, making it well-suited for marine, motorcycle, ATV, and UTV applications.

Q: Does the amplifier support factory and aftermarket audio systems?
A: Yes. The MICRO88U features selectable 2-channel or 8-channel input modes, allowing seamless integration with OEM and aftermarket head units.

Q: Why choose the MICRO88U?
A: Its compact footprint, 8-channel flexibility, efficient Class D design, and advanced crossover controls make it an excellent solution for powering complete active or multi-speaker audio systems while saving installation space.

 
Maintenance Tips    

• Keep the amplifier clean and free of dust using a soft, dry microfiber cloth.
• Ensure adequate ventilation and avoid blocking cooling areas to prevent overheating.
• Periodically inspect power, ground, speaker, and RCA connections for tight, corrosion-free contact.
• Operate within the recommended voltage and speaker impedance to prevent overheating or amplifier damage.
• Protect the amplifier from moisture, excessive heat, and vibration for long-lasting, reliable performance.