By Diamond Audio

HX400.2 - HEX Series 2-Channel 400W RMS Full Range Class D Amplifier

Weight: 20.0 lb
Regular price $529.99
Regular price Sale price $529.99
Shipping calculated at checkout.
Brand: Diamond Audio
SKU: HX400.2
Regular price $529.99
Regular price Sale price $529.99

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.

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.

 

Specifications

POWER RATING

  • RMS Power (4 Ω): 200 W X 2
  • RMS Power (2 Ω): 350 W X 2
  • Bridged (mono 4 Ω): 700 X 1
  • Bridged (mono 2 Ω): N/A
  • Bridged (stereo 4 Ω): N/A

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: 0.011Ω
  • Damping Factor (50Hz @ 4Ω): >250
  • Bandwidth (-3dB): 10Hz-35KHz

CROSSOVER (-24 dB/Oct)

  • Variable High-Pass: 40Hz - 400Hz
  • Variable Low-Pass: 40Hz - 400Hz
  • Variable Sub-Sonic: N/A

FUSE RATINGS

  • ATC: 30A x 2

DIMENSIONS

  • L x W x H: 8.75” x 6.8” x 2” (222mm x 195mm x 51.5mm)

FEATURES

  • 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