Diamond Audio HX1600.1D 1-Channel HEX Series Full Range Class-D Monoblock Car Amplifier

Diamond Audio HX1600.1D

The Diamond Audio HX1600.1D HEX Series 1-Channel Monoblock Class D Amplifier, engineered for serious enthusiasts who demand maximum output, precision control, and uncompromising performance. Designed to drive high-performance subwoofers, this high power monoblock amplifier delivers deep, tight, and distortion-free bass for competition-level car audio systems and high-output builds.

Built using advanced Class D amplifier technology, the Diamond Audio HX1600.1D monoblock amplifier produces massive power with 700W at 4 ohms, 1150W at 2 ohms, and 1600W at 1 ohm, ensuring consistent and reliable performance even during extended high-volume listening sessions. Whether powering a single high-wattage subwoofer or a multi-subwoofer system, this subwoofer amplifier delivers powerful low-frequency impact with exceptional efficiency.

Engineered with audiophile-grade high-tolerance components, the HX1600.1D HEX Series amplifier features a 4-layer PCB board with balanced differential inputs, ensuring clean, noise-free signal transmission and accurate sound reproduction. Premium SNAP capacitors and advanced circuitry enhance durability and long-term reliability.

For precise system tuning, the Diamond Audio HX1600.1D 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 provide easy and accurate system setup.

Built for both performance and durability, the HX1600.1D amplifier features an anodized extruded aluminum heat sink for superior thermal management, keeping the amplifier cool under heavy load. The compact yet rugged chassis allows flexible installation in cars, trucks, and custom audio builds.

Features

• 1-Channel Monoblock Class-D Amplifier
• 700W x 1 @ 4Ω / 1150W x 1 @ 2Ω / 1600W 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 Efficient Cooling
• High-Performance, Competition-Ready Design
• Full Range Class D IR Chipset
• "SNAP" Capacitors used Throughout the Circuit
• Spring Steel FET Clips Provide a Cleaner Board Design
• Illuminated Logo / Fully Concealed Mounting
• Fine Tuned Fully Variable Crossovers and Phase Control
• Top Mounted Controls for Convenient Amplifier Adjustment

Specifications

1-Channel HEX Series Full Range Class-D Monoblock Car Amplifier

Power Rating

• Max Power : 1600 Watt RMS
• RMS Power (1Ω) : 1600 Watt x 1 Channel
• RMS Power (2Ω) : 1050 Watt x 1 Channel
• RMS Power (4Ω) : 700 Watt x 1 Channel

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) : -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 : 20KΩ
• High Input Level : N/A

Output Stage

• Output Impedance : 0.018Ω
• 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 : 40A x 4

Dimensions

• L x W x H : 15.8" x 7.67" x 2" (402 x 195 x 51.5)mm