HX1200.5D - HEX Series 5-Channel Full Range Class D Amplifier

Upgrade your entire sound system with the Diamond Audio HX1200.5D HEX Series 5-Channel Full Range Class D Amplifier, engineered for audiophiles who demand clean power, efficiency, and total system control. Designed to power both speakers and a subwoofer from a single chassis, this 5-channel car amplifier delivers exceptional clarity and dynamic output across the full frequency range.

Built with advanced Class D amplifier technology, the HX1200.5D maximizes power while minimizing heat and electrical strain. Four full-range channels provide clean, distortion-free amplification for component or coaxial speakers, while the dedicated monoblock subwoofer channel delivers deep, controlled bass performance. This all-in-one design simplifies installation while maintaining high-end audio performance.

Constructed with premium, high-tolerance internal components, the HX1200.5D 5-channel amplifier features adjustable crossovers, precise tuning controls, and flexible configuration options to optimize your entire system. Whether upgrading a factory setup or building a custom car audio system, this HEX Series amplifier ensures balanced sound staging, tight bass response, and crystal-clear detail.

Compact yet powerful, the HX1200.5D integrates easily into cars, trucks, and SUVs, making it ideal for space-conscious installs without sacrificing output capability.

For enthusiasts seeking a powerful, efficient, and precision-engineered 5-channel Class D amplifier, the Diamond Audio HX1200.5D delivers premium sound quality and complete system performance in one streamlined solution.

Features

Specifications

RMS Power (4  ohm ): 100 W X 4 /480 X 1
RMS Power (2  ohm ): 150 W X 4 /800 X 1
Bridged (mono 4  ohm ): 480 W X 1(Sub Output)
Bridged (mono 2  ohm ): 800 W X 1(Sub Output)
Bridged (stereo 4  ohm ): 300 W X 2 (4  ohm ) / 800 X 1(2  ohm )
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: 0.0297 ohm
Damping Factor (50Hz @ 4 ohm ): >250
Bandwidth (-3dB): 10Hz-35KHz
Variable High-Pass: 40Hz - 400Hz (-12dB Ch 1/2/3/4)
Variable Low-Pass: 30Hz - 300Hz (-12dB Ch 5)
Variable Sub-Sonic: 10-55Hz@18Db
ATC: 40A x 3
L x W x H: 14.25"x 7.67"x 2" (362mm x 195mm x 51.5mm)
Tech Support:

Manuals