2-Channel DES Series Full Range Class D Amplifier - DES400.2D

Experience flagship-level performance with the Diamond Audio DES Series 2-Channel Full Range Class D Amplifier, engineered to deliver clean power, precision control, and dynamic sound quality for high-end car audio systems. As part of the Diamond Elite DES amplifier lineup, this model is designed with a compact footprint while maintaining powerful output across all impedance levels.

Powered by advanced Class D digital amplifier technology, the Diamond Audio 2-channel amplifier delivers 250W RMS x 2 at 2 ohms and 200W RMS x 2 at 4 ohms, with the ability to bridge into 500W x 1 at 4 ohms. This flexible configuration allows it to power component speakers, coaxial speakers, or subwoofers, making it ideal for both system upgrades and custom builds.

Engineered with the latest digital chipset technology and full PWM power supply, the DES Series amplifier provides efficient performance with minimal distortion and exceptional clarity. With a signal-to-noise ratio of up to -98.9dBA and THD as low as 0.05%, this amplifier ensures clean, accurate sound reproduction across the full frequency range.

Fine-tune your system with variable high-pass and low-pass crossover controls (35Hz–350Hz), allowing precise adjustment for optimal speaker performance. The Diamond Audio DES amplifier also features multiple auto turn-on options (VOX, DC offset, and REM), ensuring seamless integration with factory and aftermarket head units.

Built for performance and installation flexibility, this full-range Class D amplifier offers balanced differential inputs for noise-free signal transmission and a high damping factor (>250) for improved speaker control and tighter bass response.

• 2-channel full range Class D amplifier
• 250W x 2 @ 2Ω / 200W x 2 @ 4Ω / 500W x 1 bridged
• Diamond Elite DES Series flagship performance
• Advanced digital chipset with full PWM power supply
• Variable HPF/LPF crossover controls (35Hz–350Hz)
• VOX / DC / REM auto turn-on options
• Balanced differential inputs for clean signal
• High damping factor for precise speaker control
• Compact, premium design for easy installation

The Diamond Audio DES Series 2-Channel Amplifier delivers powerful, refined, and distortion-free sound, making it the perfect choice for premium car audio systems seeking superior performance and control.