Diamond Audio DES Series 4-Channel Full Range Class D Amplifier - DES400.4D
Introducing the Diamond Elite DES Series Amplifiers – our flagship line that has set the standard since its debut last year. Engineered and designed from the ground up, these amplifiers are more compact than previous generations while maintaining consistent footprint dimensions across all models. This meticulous design ensures the Diamond Elite DES Series amplifiers deliver even more dynamic sound and optimal rated power at all impedance levels.
Each amplifier in the Diamond Elite DES Series boasts advanced features such as multiple switched speaker level turn-on options (VOX/DC Offset/REM) and the latest digital chipset technology. These innovations provide unparalleled installation flexibility and the precise controls needed to fine-tune and elevate the sound quality of any car audio system.
Experience the next level of audio performance with the Diamond Elite DES Series Amplifiers. Upgrade your car audio system with these powerhouse amplifiers and hear the difference that cutting-edge engineering and superior design can make. Don’t just listen to your music – feel it, with the Diamond Elite DES Series.
What our Experts Think
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High-Power 4-Channel Amplification: Delivers 170 W RMS × 4 at 2 Ω and 140 W RMS × 4 at 4 Ω, with bridged output of 400 W × 2 at 4 Ω.
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Compact & Feature-Rich: Includes full crossover control, phase switch, high-/low-level inputs, and remote level control option.
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Premium Sound Quality: THD 0.07%, SNR –97.4 dB, damping factor >250 ensures clean, dynamic audio.
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Installation-Friendly: Single-sided connections, top-mount controls, VOX/DC offset/REM turn-on options.
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Perfect Upgrade: Ideal for car-audio enthusiasts replacing factory amps or powering component speaker setups.
Q&A
Q: What is the DES400.4D amplifier?
A: A 4-channel full-range Class D car audio amplifier from Diamond Audio’s DES Series, designed to deliver high-performance sound for upgraded vehicle audio systems.
Q: What features does it include?
A: Compact Class D design, high efficiency, variable high-pass and low-pass crossovers, supports high and low-level inputs, and includes switched speaker-level turn-on options.
Q: What applications is it best suited for?
A: Upgrading front or full-vehicle sound systems in cars, SUVs, or vans; can drive component or coax speakers and bridge channels for subwoofers.
Q: What installation tips should I follow?
A: Use adequate power wiring with correct fuses, ensure proper grounding, match speaker impedances, set crossovers appropriately, and allow ventilation for thermal management.
Maintenance Tips
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Regular Cleaning: Wipe the amplifier exterior with a soft, dry cloth; avoid liquids or abrasive cleaners.
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Inspect Connections: Check all power, ground, and speaker connections for secure, corrosion-free contacts.
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Proper Ventilation: Ensure adequate airflow around the amplifier to prevent overheating.
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Avoid Overloading: Operate within recommended voltage and power limits to prevent damage.
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Proper Mounting: Securely mount the amplifier to minimize vibration and movement.
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Safe Handling: Avoid impacts, moisture, or extreme temperatures to maintain performance.
