Specifications
Type: Full-Range Class D Multi-Channel Amplifier
Series: Diamond Audio MICRO Series
Configuration: 5-Channel (4 Full-Range + 1 Subwoofer Channel)
Power Output (RMS @ 14.4V):
• 4 × 90 W @ 4 Ω + 1 × 220 W @ 4 Ω
• 4 × 150 W @ 2 Ω + 1 × 350 W @ 2 Ω
Total Power Output: 950 W RMS
Frequency Response: 10 Hz – 35 kHz (±1 dB)
Signal-to-Noise Ratio: >90 dB
Input Sensitivity: 0.2 V – 6.0 V
Input Type: RCA Low-Level / High-Level (Speaker-Level) Inputs
Input Impedance: 22 kΩ
Crossover Type: Independent HPF/LPF per Channel Bank
Front/Rear Crossover Range: 50 Hz – 500 Hz (12 dB/Octave)
Subwoofer Crossover Range: 50 Hz – 250 Hz (12 dB/Octave)
Subsonic Filter: 10 Hz – 50 Hz (24 dB/Octave)
Bass Boost: 0 – 12 dB @ 45 Hz
Damping Factor: >200
THD (Total Harmonic Distortion): <0.05%
Fuse Rating: 3 × 25 A (Blade Type)
Operating Voltage: 9V – 16V DC
Power Terminals: 4 AWG Input / 8 AWG Output
Cooling System: Micro-Fin Aluminum Heatsink with Smart Thermal Control
Protection Circuitry: Thermal, Overload, Short, DC Offset, Reverse Polarity
Dimensions (L×W×H): 8.5" × 5.5" × 1.8"
Weight: 4.4 lbs
Warranty: 1-Year Manufacturer Warranty
Performance Specs
• All-in-one amplifier powering a complete front, rear, and subwoofer system.
• Class D architecture provides high output with low current draw.
• Independent crossover tuning for full system flexibility.
• Compact chassis perfect for Harley-Davidson®, marine, or UTV installations.
• Delivers clean, powerful sound with strong midbass and deep sub response.
Key Features
• 5-Channel Design – Powers full system with one compact, efficient amplifier.
• Class D Efficiency – Runs cool and efficient, even under heavy load.
• Independent Crossovers – Full tuning control for front/rear/sub stages.
• 2Ω Stable Operation – Maximizes system flexibility and power output.
• Subwoofer Channel – Dedicated low-frequency channel with subsonic filter.
• Marine & Motorcycle Safe – Conformal-coated board for vibration and moisture resistance.
• Compact Chassis – Fits easily in fairings, saddlebags, or tight compartments.
• Diamond Audio Reliability – Designed for long-term performance and clarity.
Performance Integration Notes
• Ideal Pairing: Diamond MICRO81U for high-power sub stages or MICRO84U for multi-zone systems.
• System Compatibility: Perfect for Harley-Davidson®, marine, UTV, and compact car audio systems.
• Recommended Use: Single-amplifier solution for complete 5-channel setups.
• Installation Time: Approx. 1–1.5 hours.
• Pro Tip: For optimal tuning, use HPF at 80 Hz for main channels and LPF at 80 Hz for sub channel—set gain by voltage for noise-free performance.
