By Diamond Audio

4-Channel HEX Series Full Range Class D Amplifier - HX480.4

$579.99
$579.99
Brand: Diamond Audio
SKU: HX480.4

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.

4-Channel Full Range Class D Amplifier

Unleash clean, dynamic power with the Diamond Audio HX480.4 HEX Series 4-Channel Full Range Class D Amplifier, engineered for audiophiles who demand precision, efficiency, and premium sound quality. Designed with high-tolerance components and advanced circuitry, this 4-channel car audio amplifier delivers exceptional clarity and reliable performance for component speakers, coaxial speakers, and custom audio systems.

Built on advanced Class D amplifier technology, the Diamond Audio HX480.4 amplifier maximizes efficiency while minimizing heat, ensuring consistent output even during extended listening sessions. With 120W x 4 at 4 ohms, 185W x 4 at 2 ohms, and 370W x 2 bridged at 4 ohms, this high power 4-channel amplifier offers flexible configuration for full-range speakers or bridged applications.

The HX480.4 HEX Series amplifier features a 4-layer PCB board with balanced differential inputs, delivering clean, noise-free signal transmission and accurate sound reproduction. Premium audiophile-grade components and SNAP capacitors ensure precise performance and long-term reliability in demanding audio setups.

For advanced tuning, the Diamond Audio HX480.4 Class D amplifier includes fully variable high-pass and low-pass crossovers (40Hz–400Hz) with a 24dB per octave slope, along with phase control for optimized system integration. The output clip indicators and top-mounted controls make setup easy and precise, ensuring optimal performance.

Designed with a durable anodized extruded aluminum heat sink, this compact amplifier provides superior thermal management while maintaining a sleek, modern appearance. Fully concealed mounting and an illuminated logo add a premium touch to any installation.

Key Features

• 4-channel full range Class D amplifier
• 120W x 4 @ 4Ω / 185W x 4 @ 2Ω / 370W x 2 bridged
• Audiophile-grade high-tolerance components
• 4-layer PCB with balanced differential inputs
• Variable HPF / LPF crossovers (24dB slope)
• Output clip indicators and phase control
• Anodized aluminum heat sink for cooling efficiency
• Compact design with premium aesthetics

The Diamond Audio HX480.4 HEX Series Amplifier delivers powerful, distortion-free sound with exceptional precision, making it the perfect choice for high-end car audio systems seeking clarity, control, and performance.

 

Specifications

  • RMS Power (4 Ω): 120W X 4
  • RMS Power (2 Ω): 185W x 4
  • Bridged (mono 4 Ω): 370W X 2
  • Bridged (mono 2 Ω): N/A
  • Bridged (stereo 4 Ω): N/A
  • Power Supply: Full PWM
  • Power Supply Threshold: 10.0V-17.0V (DC)
  • Idle Current: (0.7A)
  • THD 4 (1KHz @4Ω): 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 KΩ
  • High Input Level: N/A
  • 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: 9.92” x 6.8” x 2” (222mm x 195mm x 51.5mm)

Specifications

Brand

Diamond audio

Type

Motor vehicle amplifier

HEX Amplifiers - Frequently Asked Questions

Q1: What are HEX Amplifiers designed for?
A: They are designed for high-performance aftermarket car audio systems that need strong, clean, and reliable power.

Q2: What amplifier technology does the HEX Series use?
A: HEX Amplifiers use Class D amplification, providing efficient power output in a compact design.

Q3: Can HEX Amplifiers power speakers and subwoofers?
A: Yes. Depending on the configuration, the series can be used to power full-range speakers or subwoofer systems.

Q4: Are HEX Amplifiers suitable for custom audio builds?
A: Yes. Their flexible configurations and compact chassis make them suitable for a wide range of aftermarket system designs.

Q5: Why choose HEX Amplifiers?
A: HEX combines efficient power, compact installation, and reliable performance, making it a practical choice for serious car audio upgrades.