Specifications
Type: Monoblock Full-Range Class D Amplifier
Series: Diamond Audio DES Series
Channels: 1 (Mono)
Power Output (RMS @ 14.4V):
• 750 W × 1 @ 4 Ω
• 1000 W × 1 @ 2 Ω
• 1000 W × 1 @ 1 Ω
Total Power Output: 1000 W RMS / 2000 W Peak
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 Low-Pass Filter (LPF)
Crossover Range: 40 Hz – 300 Hz (12 dB/Octave)
Subsonic Filter: 10 Hz – 50 Hz (12 dB/Octave)
Bass Boost: 0 – 12 dB @ 45 Hz
Phase Control: 0° / 180° Switchable
Preamp Outputs: Full-Range RCA Pass-Through
Remote Bass Level Control: Included
Power Terminals: 4 AWG Input / 8 AWG Output
Fuse Rating: 2 × 40 A (External Fuse Recommended)
Cooling System: High-Efficiency Aluminum Heatsink with Conduction Design
Operating Voltage: 9 V – 16 V DC
Protection Features: Thermal, Short Circuit, DC Offset, Overload, and Reverse Polarity
Construction: Conformal Coated PCB (Moisture and Vibration Resistant)
Dimensions (L×W×H): 9.1" × 5.5" × 1.9" (231 × 140 × 48 mm)
Weight: 3.8 lbs
Warranty: 1-Year Manufacturer Warranty
Performance Specs
• Delivers clean, controlled bass power optimized for sealed or ported subwoofer systems.
• Stable at 1Ω for maximum flexibility with dual voice coil subs.
• Full-range Class D architecture ensures efficiency and clarity at high output.
• Engineered for compact installs with superior thermal stability.
• Ideal for both car and powersport applications requiring heavy low-end output.
Key Features
• True 1Ω Stability – Handles demanding loads with ease for flexible wiring.
• Compact Class D Design – High-efficiency operation with low current draw.
• Variable Crossovers – Precision tuning for smooth frequency integration.
• Remote Bass Control – Adjust subwoofer gain instantly from the driver’s seat.
• Heavy-Duty Heatsink – Maximizes surface cooling for sustained performance.
• High-Level Protection Circuitry – Ensures amplifier longevity and reliability.
• Diamond Audio Engineering – Tuned for clarity, authority, and efficiency.
Performance Integration Notes
• Ideal Pairing: Diamond DES104, DES122, or DES124 subwoofers.
• System Compatibility: Car, motorcycle, UTV, and marine subwoofer systems.
• Recommended Use: Dedicated mono amplifier for high-output bass channels.
• Installation Time: Approx. 45 minutes.
• Pro Tip: Use 4 AWG OFC power and ground wiring for best current flow; set LPF around 80 Hz and Subsonic at 25 Hz for tight, controlled response.
