By Diamond Audio

HX1200.5D - HEX Series 5-Channel 1200W RMS Full Range Class D Amplifier

Weight: 20.0 lb
Regular price $999.99
Regular price Sale price $999.99
Shipping calculated at checkout.
Brand: Diamond Audio
SKU: HX1200.5D
Regular price $999.99
Regular price Sale price $999.99

Diamond Audio HEX Pro Series

The ultimate choice for audiophiles who demand unmatched sound quality and power.

Top-of-the-line features and user-friendly controls

Seamlessly blending advanced technology with convenience.

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.

 

Specifications

POWER RATING

  • RMS Power (4 Ω): 100 W X 4 /480 X 1
  • RMS Power (2 Ω): 150 W X 4 /800 X 1
  • Bridged (mono 4 Ω): 480 W X 1(Sub Output)
  • Bridged (mono 2 Ω): 800 W X 1(Sub Output)
  • Bridged (stereo 4 Ω): 300 W X 2 (4 Ω) / 800 X 1(2 Ω)

POWER SUPPLY

  • Power Supply: Full PWM
  • Power Supply Threshold: 10.0V-17.0V (DC)
  • Idle Current: (0.7A)

DISTORTION

  • THD 4 (1KHz @4Ω): 0.06%
  • S/N Ratio (A weighted @1W): -80dBA
  • S/N Ratio (A weighted @FP): -95dBA

INPUT SENSITIVITY

  • Low Input Level: 200mV-5.0V
  • High Input Level: N/A

INPUT IMPEDANCE

  • Low Input Level: 20 KΩ
  • High Input Level: N/A

OUTPUT STAGE

  • Output Impedance: 0.0297Ω
  • Damping Factor (50Hz @ 4Ω): >250
  • Bandwidth (-3dB): 10Hz-35KHz

CROSSOVER (-12/-24 dB/Oct)

  • 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

FUSE RATINGS

  • ATC: 40A x 3

DIMENSIONS

  • L x W x H: 14.25”x 7.67”x 2” (362mm x 195mm x 51.5mm)

FEATURES

  • Bass Remote Control Included)
  • Anodized Extruded Aluminum Heat Sink Provides Superior Thermal Performance
  • 4-Layer PCB Board with Balanced Differential Inputs
  • Full Range Class D IR Chipset
  • "SNAP" Capacitors used Throughout the Circuit
  • Audiophile Grade High Tolerance Components
  • Spring Steel FET Clips Provide a Cleaner Board Design
  • Illuminated Logo / Fully Concealed Mounting
  • Output Clip Indicators for Precise Set-Up
  • Fine Tuned Fully Variable Crossovers and Phase Control
  • Top Mounted Controls for Convenient Amplifier Adjustment

Specifications