HX400.2 - HEX Series 2-Channel Full Range Class D Amplifier

Experience refined power and precision with the Diamond Audio HX400.2 HEX Series 2-Channel Full Range Class D Amplifier, engineered for audiophiles who demand clean output and uncompromising performance. Designed with meticulous precision and high-tolerance components, this 2-channel car amplifier delivers exceptional sound clarity, dynamic response, and reliable power for high-end audio systems.

Built using advanced Class D amplifier technology, the HX400.2 offers impressive efficiency while minimizing heat and maximizing output. Its full-range capability allows it to power component speakers, coaxial speakers, or even bridge channels for increased wattage to subwoofers. Whether you are upgrading factory speakers or building a custom system, this HEX Series amplifier provides distortion-free amplification across the entire frequency spectrum.

The HX400.2 2-channel amplifier features user-friendly controls and flexible crossover options, enabling precise system tuning and optimized sound performance. Its compact design allows seamless integration into a wide range of vehicles without sacrificing power or reliability.

Engineered for premium car audio builds, the Diamond Audio HEX Series blends advanced technology with everyday practicality, giving you total control over your sound.

For enthusiasts seeking a powerful, efficient, and precision-engineered 2-channel Class D amplifier, the Diamond Audio HX400.2 delivers superior audio performance and the clean power your system deserves.

Features

Specifications

RMS Power (4  ohm ): 200 W X 2
RMS Power (2  ohm ): 350 W X 2
Bridged (mono 4  ohm ): 700 X 1
Bridged (mono 2  ohm ): N/A
Bridged (stereo 4  ohm ): N/A
Power Supply: Full PWM
Power Supply Threshold: 10.0V-17.0V (DC)
Idle Current: (0.7A)
THD 4 (1KHz @4 ohm ): 0.06%
S/N Ratio (A weighted @1W): -80dBA
S/N Ratio (A weighted @FP): -95dBA
Low Input Level: 200mV-5.0V
High Input Level: N/A
Low Input Level: 20 K ohm
High Input Level: N/A
Output Impedance: 0.011 ohm
Damping Factor (50Hz @ 4 ohm ): >250
Bandwidth (-3dB): 10Hz-35KHz
Variable High-Pass: 40Hz - 400Hz
Variable Low-Pass: 40Hz - 400Hz
Variable Sub-Sonic: N/A
ATC: 30A x 2
L x W x H: 8.75" x 6.8" x 2" (222mm x 195mm x 51.5mm)
Tech Support:

Manuals