Specifications
Type: 4-Channel Full-Range Class D Amplifier
Series: Diamond Audio DES Series
Channels: 4
Power Output (RMS @ 14.4V):
• 150 W × 4 @ 4 Ω
• 150 W × 4 @ 2 Ω
• 300 W × 2 @ 4 Ω (Bridged)
Total Power Output: 600 W RMS / 1,200 W Max
Frequency Response: 10 Hz – 35 kHz (±1 dB)
Signal-to-Noise Ratio: >90 dB
THD (Total Harmonic Distortion): <0.05%
Input Sensitivity: 200 mV – 6 V
Input Impedance: 22 kΩ
Crossover Type: Variable High-Pass / Low-Pass Filters (Independent Front & Rear)
Crossover Range: 50 Hz – 500 Hz (12 dB/Octave)
Bass Boost: 0 – 12 dB @ 45 Hz
Preamp Outputs: Full-Range RCA Pass-Through
Power Terminals: 4 AWG Input / 8 AWG Speaker Output
Fuse Rating: 2 × 25 A (Internal Mini Blade Fuse)
Cooling System: Aluminum Heatsink with Micro-Fin Thermal Management
Operating Voltage: 9 V – 16 V DC
Protection Features: Thermal, Overload, Short Circuit, Reverse Polarity
Construction: Marine-Grade Conformal Coated PCB
Water Resistance: IPX65 Rated (Splash & Corrosion Resistant)
Dimensions (L×W×H): 8.5" × 5.5" × 1.8" (216 × 140 × 46 mm)
Weight: 4.1 lbs
Warranty: 1-Year Manufacturer Warranty
Performance Specs
• True full-range Class D topology delivers high power with low distortion.
• Perfectly balanced for mids, highs, or small subwoofer channels.
• Compact chassis ideal for tight installations in cars, motorcycles, or marine systems.
• Conformal-coated internals resist humidity, salt, and vibration damage.
• Maintains exceptional efficiency and output under continuous load.
Key Features
• High-Efficiency Class D Design – Cooler operation, low current draw, and stable performance.
• Bridgeable Flexibility – Run 4, 3, or 2-channel configurations easily.
• Variable Crossovers – Tune independently for front and rear outputs.
• Compact Footprint – Easy to mount in tight compartments or fairings.
• Marine-Grade Protection – Moisture and corrosion-resistant internals.
• Full Protection Circuitry – Thermal, short, and overload safeguards.
• RCA Pass-Through – Expandable system linking for multi-amp setups.
• Diamond Audio Engineering – Clean, powerful, and consistent sound performance.
Performance Integration Notes
• Ideal Pairing: Diamond HXM65F4, MS65NEO, or MSPRO65 midrange speakers.
• System Compatibility: Marine, UTV, Harley-Davidson®, or automotive installations.
• Recommended Use: Full-range 4-channel amplifier or bridged stereo mids/sub setup.
• Installation Time: Approx. 1 hour.
• Pro Tip: For maximum clarity, high-pass front channels at 80–100 Hz and use 4 AWG power cable to ensure full current delivery under load.
