Specifications
Type: Mono Full-Range Class D Amplifier
Series: Diamond Audio MICRO Series
Configuration: 1-Channel (Monoblock)
Power Output (RMS @ 14.4V):
• 1 × 240 W @ 4 Ω
• 1 × 400 W @ 2 Ω
• 1 × 600 W @ 1 Ω
Total Power Output: 600 W RMS
Frequency Response: 10 Hz – 250 Hz (±1 dB)
Signal-to-Noise Ratio: >90 dB (A-weighted, 20 Hz – 20 kHz)
Input Sensitivity: 0.2 V – 6.0 V
Input Type: RCA Low-Level / High-Level (Speaker-Level) Inputs
Input Impedance: 22 kΩ
Crossover Type: Variable Low-Pass Filter
Crossover Range: 50 Hz – 250 Hz (12 dB/Octave Slope)
Subsonic Filter: 10 Hz – 50 Hz Adjustable (24 dB/Octave)
Bass Boost: 0 – 12 dB @ 45 Hz
THD (Total Harmonic Distortion): <0.05%
Damping Factor: >150
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 Smart Thermal Regulation
Protection Circuitry: Thermal, Overload, Short, DC Offset, Reverse Polarity
Dimensions (L×W×H): 8.5" × 5.5" × 1.8"
Weight: 3.8 lbs
Warranty: 1-Year Manufacturer Warranty
Performance Specs
• Compact, high-efficiency Class D topology optimized for subwoofer control and power.
• Stable down to 1 Ω for maximum flexibility in single or multi-subwoofer systems.
• Clean, dynamic low-frequency performance with superior thermal and current management.
• Compact chassis fits motorcycles, UTVs, marine applications, or tight vehicle installs.
• Engineered for continuous output and reliability under demanding high-SPL conditions.
Key Features
• 1-Ω Stable Monoblock – Ideal for multi-subwoofer configurations.
• Class D Efficiency – Delivers strong output while running cool and compact.
• Variable Crossovers – Allows precision tuning for any subwoofer setup.
• Subsonic Filter – Protects drivers from ultra-low frequency distortion.
• Bass Boost Control – Adjustable for extra punch when needed.
• Marine & Motorcycle Safe – Conformal-coated PCB resists moisture and vibration.
• Compact Size – Perfect for space-limited installations.
• Diamond Audio Reliability – Engineered for clean power and consistent performance.
Performance Integration Notes
• Ideal Pairing: Diamond MICRO84U or MICRO88U amplifiers for full-range expansion.
• System Compatibility: Designed for subwoofer use in Harley-Davidson®, UTV, marine, and compact automotive systems.
• Recommended Use: Powering Diamond DES, DMD, or MS series subwoofers.
• Installation Time: Approx. 45–60 minutes.
• Pro Tip: For optimal performance, set gain using an oscilloscope or distortion detector, and use 4 AWG power/ground wiring for full voltage delivery at 1 Ω.
