Diamond Audio HX1200.1D HEX Series 1-Channel Monoblock Full Range Class D Car Amplifier

Diamond Audio HX1200.1D

Unleash extreme bass power with the Diamond Audio HX1200.1D HEX Series 1-Channel Monoblock Class D Amplifier, engineered for audiophiles and bass enthusiasts who demand maximum output, precision, and control. Designed to drive high-performance subwoofers, this high power monoblock amplifier delivers deep, tight, and distortion-free bass for competition systems and high-end car audio builds.

Powered by advanced Class D amplifier technology, the Diamond Audio HX1200.1D monoblock amplifier delivers impressive output with 540W at 4 ohms, 870W at 2 ohms, and 1200W at 1 ohm, ensuring powerful and consistent performance even during extended high-volume listening sessions. This subwoofer amplifier is ideal for single or multi-subwoofer setups, providing strong low-frequency control with exceptional efficiency.

Engineered with audiophile-grade high-tolerance components, the HX1200.1D HEX Series amplifier features a 4-layer PCB board with balanced differential inputs, ensuring clean, noise-free signal transmission. Premium SNAP capacitors and advanced circuitry deliver precise sound reproduction and long-term reliability.

For advanced tuning, the Diamond Audio HX1200.1D Class D amplifier includes fully variable low-pass crossover controls, subsonic filtering, and phase control, allowing you to fine-tune your bass response for optimal performance. The output clip indicators and top-mounted controls make system setup simple and accurate.

Built with a rugged yet refined design, the HX1200.1D amplifier features an anodized extruded aluminum heat sink for superior thermal management, ensuring efficient cooling under heavy load. The compact yet powerful chassis allows flexible installation in cars, trucks, and custom builds.

Features:

• 1-Channel Monoblock Class-D Amplifier
• 540W x 1 @ 4Ω / 870W x 1 @ 2Ω / 1200W x 1 @ 1Ω
• Audiophile-grade High-tolerance Components
• 4-Layer PCB with Balanced Differential Inputs
• Variable Low-pass Crossover, Subsonic Filter, and Phase Control
• Output Clip Indicators for Precise Tuning
• Anodized Aluminum Heat Sink for Cooling Efficiency
• Compact, High-performance Amplifier Design
• Full Range Class-D IR Chipset
• Bass Remote Included

Specifications

1-Channel HEX Series Monoblock Full Range Class D Amplifier

Power Rating

• RMS Power (4 Ω) : 540 W x 1
• RMS Power (2 Ω) : 870 W x 1
• RMS Power (1 Ω) : 1200 W x 1

Power Supply

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

Distortion

• THD 4 (1KHz @ 4Ω) : 0.1%
• S/N Ratio (A Weighted @ 1W) : -80 dBA
• S/N Ratio (A Weighted @ FP) : -95 dBA

Input Sensitivity

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

Input Impedance

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

Output Stage

• Output Impedance : 0.0297 Ω
• Damping Factor (50Hz @ 4Ω) : >250
• Bandwidth (-3dB) : 10Hz - 300Hz

Crossover (-12dB/Oct)

• Variable High-Pass : N/A
• Variable Low-Pass : 30Hz - 300Hz
• Variable Sub-Sonic : 10Hz - 55Hz @12dB

Fuse Ratings

• ATC : 30A x 4

Dimensions

• L x W x H : 14.25" x 7.67" x 2" (363 x 195 x 51.5)mm