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Diamond Audio

Diamond Audio 1-Channel HEX Series Class D Monoblock Amplifier - HX800.1D

Diamond Audio 1-Channel HEX Series Class D Monoblock Amplifier - HX800.1D

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Diamond Audio 1-Channel HEX Series Class D Monoblock Amplifier - HX800.1D

Unleash powerful, precision-controlled bass with the Diamond Audio HX800.1D HEX Series 1-Channel Monoblock Class D Amplifier, engineered for audiophiles who demand maximum output, efficiency, and clean signal performance. Designed specifically for subwoofer applications, this high power monoblock amplifier delivers deep, tight, and distortion-free bass for high-end car audio systems and competition builds.

Utilizing advanced Class D amplifier technology, the Diamond Audio HX800.1D monoblock amplifier maximizes power while minimizing heat and current draw. With 340W at 4 ohms, 560W at 2 ohms, and 800W at 1 ohm, this subwoofer amplifier provides the power needed to drive single or multiple subwoofers with authority, ensuring consistent performance during extended high-volume listening sessions.

Built with audiophile-grade components, the HX800.1D HEX Series amplifier features a 4-layer PCB board with balanced differential inputs, delivering clean, noise-free signal transmission. High-tolerance circuitry and premium SNAP capacitors ensure accurate sound reproduction and long-term reliability.

The Diamond Audio HX800.1D Class D amplifier includes fully variable crossover controls, allowing precise tuning of your subwoofer system. With adjustable low-pass filtering and phase control, this monoblock amplifier ensures optimal bass response and seamless integration with your full-range speakers.

Designed for both performance and convenience, the HX800.1D amplifier features top-mounted controls, output clip indicators, and a remote bass knob for real-time adjustment. The anodized extruded aluminum heat sink provides superior thermal performance while maintaining a sleek and compact design for easy installation.

The Diamond Audio HX800.1D HEX Series Amplifier delivers powerful, clean, and controlled bass, making it the ultimate solution for high-performance subwoofer systems and serious car audio enthusiasts.

Features

• 1-channel monoblock Class D amplifier
• 340W x 1 @ 4Ī© / 560W x 1 @ 2Ī© / 800W x 1 @ 1Ī©
• Audiophile-grade high-tolerance components
• 4-layer PCB with balanced differential inputs
• Variable low-pass crossover and phase control
• Output clip indicators for precise tuning
• Anodized aluminum heat sink for cooling efficiency
• Includes remote bass knob

What our Experts Think
  • Serious power for subwoofers – The HX800.1D delivers up to 800W RMS at 1Ī©, providing clean, controlled bass for high-performance car audio systems and demanding subwoofer setups.
  • Efficient Class D design – Advanced Class D technology maximizes output while minimizing heat and current draw, making it ideal for daily driving and extended listening sessions.
  • Precision bass tuning – Features a variable low-pass crossover, subsonic filter, phase control, and output clip indicators for accurate system tuning and optimized low-frequency performance.
  • Premium internal components – Built with a 4-layer PCB, balanced differential inputs, high-tolerance audiophile-grade components, and an anodized aluminum heat sink for reliable, low-noise operation.
  • Excellent choice for custom installs – A compact, competition-ready monoblock amplifier that combines high output, efficient cooling, and flexible tuning for enthusiasts seeking powerful, distortion-free bass.
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Q&A Ā  Ā 

Q: What is the Diamond Audio HX800.1D designed for?
A: It is a 1-channel Class D monoblock amplifier built to power a single subwoofer or subwoofer system with high efficiency.

Q: What are the benefits of Class D technology?
A: Class D operation delivers high power output with excellent efficiency, reduced heat, and compact installation.

Q: Is this amplifier compatible with 2Ī© and 4Ī© subwoofers?
A: Yes. It is designed to work with compatible 2Ī© and 4Ī© subwoofer loads for flexible system configurations.

Q: Does it include adjustable audio controls?
A: Yes. It features adjustable gain, low-pass crossover, and bass boost controls for customized bass performance.

Q: Is the HX800.1D suitable for custom car audio systems?
A: Yes. Its compact design and high-output performance make it ideal for aftermarket car audio upgrades.


Maintenance Tips Ā 
  • Clean the amplifier with a soft, dry microfiber cloth to remove dust and debris.
  • Keep cooling fins and ventilation areas unobstructed to prevent overheating.
  • Inspect power, ground, remote, and speaker connections regularly for tight, corrosion-free contacts.
  • Ensure the amplifier is securely mounted to minimize vibration.
  • Set gain correctly and avoid prolonged clipping or distortion to protect the amplifier and subwoofer.
  • Check the fuse and wiring periodically for signs of wear or damage.
  • Keep the amplifier dry and protected from excessive heat and moisture.
  • Re-tighten terminal screws during routine maintenance to maintain reliable performance