Type: Full-Range Class D Amplifier
Series: Diamond Audio MICRO Series
Configuration: 2-Channel (Bridgeable)
Power Output (RMS @ 14.4V):
• 2 × 150 W @ 4 Ω
• 2 × 250 W @ 2 Ω
• 1 × 500 W @ 4 Ω (Bridged)
Total Power Output: 500 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 Type: RCA Low-Level / High-Level (Speaker-Level)
Input Impedance: 22 kΩ
Crossover Type: Variable High-Pass / Low-Pass Filters
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 Smart Thermal Management
Protection Circuitry: Overload, Thermal, Short, DC Offset, Reverse Polarity
Dimensions (L×W×H): 8.5" × 5.5" × 1.8"
Weight: 3.6 lbs
Warranty: 1-Year Manufacturer Warranty
Performance Specs
• Compact and efficient 2-channel amplifier designed for full-range or subwoofer applications.
• Delivers high output with ultra-low distortion and excellent thermal stability.
• Ideal for powering front-stage speakers, midbass drivers, or small subwoofers.
• Class D design maximizes performance while minimizing heat and current draw.
• Small footprint perfect for motorcycles, UTVs, and marine installations.
Key Features
• 2-Channel Bridgeable Design – Versatile for full-range or mono subwoofer use.
• Class D Efficiency – High performance with minimal power loss.
• Variable Crossovers – Precision control for system tuning and balance.
• High- and Low-Level Inputs – Seamless OEM or aftermarket integration.
• Smart Thermal Protection – Keeps amp cool and reliable under pressure.
• Marine-Grade Build – Sealed and conformal-coated for harsh environments.
• Compact Chassis – Fits tight spaces such as fairings and saddlebags.
• Diamond Audio Reliability – Tuned for clean, consistent power and long-term durability.
Performance Integration Notes
• Ideal Pairing: Diamond MICRO84U or MICRO81U amplifiers for expanded multi-channel systems.
• System Compatibility: Perfect for Harley-Davidson®, marine, UTV, and compact automotive audio.
• Recommended Use: High-power front stage or midbass amplifier; also suitable for small subwoofers.
• Installation Time: Approx. 45–60 minutes.
• Pro Tip: For full-range clarity, set HPF at 80 Hz; for subwoofer use, bridge channels and apply LPF at 80 Hz. Use 4 AWG power leads for best voltage stability.
