Specifications
Type: Full-Range Class D Amplifier
Series: Diamond Audio MICRO Series
Configuration: 4-Channel (Bridgeable)
Power Output (RMS @ 14.4V):
• 4 × 90 W @ 4 Ω
• 4 × 165 W @ 2 Ω
• 2 × 275 W @ 4 Ω (Bridged)
Total Power Output: 660 W RMS
Frequency Response: 10 Hz – 35 kHz (±1 dB)
Signal-to-Noise Ratio: >90 dB (A-weighted)
Input Sensitivity: 0.2 V – 6.0 V
Input Impedance: 22 kΩ
Input Type: RCA Low-Level / High-Level (Speaker-Level)
Crossover Type: Fully Variable High-Pass / Low-Pass
Crossover Range: 50 Hz – 500 Hz (12 dB/Octave)
Bass Boost: 0 – 12 dB @ 45 Hz
Damping Factor: >200
THD (Total Harmonic Distortion): <0.05%
Fuse Rating: 2 × 25 A (Blade Type)
Operating Voltage: 9V – 16V DC
Power Terminals: 4 AWG Input / 8 AWG Output
Cooling System: Micro-Fin Aluminum Heatsink with Advanced Thermal Protection
Protection Circuitry: Overload, Thermal, Short, DC Offset, and Reverse Polarity
Dimensions (L×W×H): 8.5" × 5.5" × 1.8"
Weight: 4.0 lbs
Warranty: 1-Year Manufacturer Warranty
Performance Specs
• Compact full-range amplifier engineered for motorcycle, marine, and UTV installations.
• Class D topology ensures efficient operation and minimal current draw.
• High dynamic headroom for clean midrange and strong low-frequency output.
• Delivers full clarity and precision when paired with coaxial or component speakers.
• Built for harsh environments — vibration, moisture, and temperature tested.
Key Features
• Compact 4-Channel Design – Ideal for full-range or bridged high-power configurations.
• Class D Efficiency – High output with low heat generation and low power consumption.
• Bridgeable Channels – Configurable as 4-, 3-, or 2-channel amplifier.
• Variable Crossovers – Precision tuning for HPF/LPF and system matching.
• Flexible Inputs – RCA or high-level inputs for factory integration.
• Smart Protection System – Full monitoring for voltage, temperature, and short circuits.
• Marine-Grade Build – Conformal coated PCB for moisture resistance.
• Diamond Audio Engineering – Tuned for clarity, impact, and reliability in compact systems.
Performance Integration Notes
• Ideal Pairing: Diamond MICRO2V2 or MICRO88U amplifiers for full system builds.
• System Compatibility: Designed for Harley-Davidson®, UTV, marine, or compact automotive installs.
• Recommended Use: Full-range or bridged midbass/subwoofer amplification.
• Installation Time: Approx. 1 hour.
• Pro Tip: Use 4 AWG power and ground leads, and set gain to match source voltage for clean signal with no clipping.
