Diamond Audio 1-Channel HXM Series Class D Monoblock Amplifier - HXM800.1D

Diamond Audio 1-Channel HXM Series Class D Monoblock Amplifier - HXM800.1D

Deliver deep, powerful bass in any environment with the Diamond Audio MOTORSPORT Series 1-Channel Class D Monoblock Amplifier. Engineered for high-performance audio systems, this monoblock amplifier is designed to provide exceptional output and reliability for marine, motorcycle, UTV, ATV, and powersports applications.

Built with advanced full-range Class D digital technology, the Diamond Audio MOTORSPORT monoblock amplifier produces impressive power with 800W at 1 ohm, 550W at 2 ohms, and 350W at 4 ohms RMS, making it ideal for driving subwoofers with tight, controlled, and impactful bass. Whether you're upgrading your marine audio system or building a high-output powersports sound system, this high power subwoofer amplifier delivers consistent performance.

Designed for extreme conditions, this water-resistant amplifier features conformal-coated multi-layer circuit boards, protecting internal components from moisture, dust, and harsh environments. The anodized extruded aluminum heat sink ensures superior thermal performance, keeping the amplifier cool during extended use.

The Diamond Audio MOTORSPORT monoblock amplifier also includes balanced differential inputs for noise-free signal transmission and a DirectFET power MOSFET output stage for efficient and clean power delivery. With a variable low-pass crossover (30Hz–300Hz), subsonic filter (10Hz–55Hz), and phase control, this versatile subwoofer amplifier allows precise tuning for optimal bass performance.

Installation is simplified with selectable REM, VOX, and DC turn-on modes, making it compatible with factory and aftermarket systems. Additional features such as output clip indicators, top-mounted controls, and an included bass remote control provide easy adjustment and system monitoring.

The Diamond Audio MOTORSPORT Monoblock Amplifier delivers powerful, precise, and reliable bass, making it the perfect solution for high-performance outdoor and marine audio systems.

Features

• 1-channel monoblock Class D amplifier
• 800W @ 1Ω / 550W @ 2Ω / 350W @ 4Ω RMS power
• Water-resistant design for marine and powersports use
• Conformal-coated circuit boards for durability
• Variable LPF, subsonic filter, and phase control
• Balanced differential inputs for clean signal
• Anodized aluminum heat sink for efficient cooling
• Output clip indicators for precise tuning
• Includes bass remote control

What our Experts Think  

• High-performance monoblock Class D amplifier designed to deliver powerful, efficient bass output for subwoofer systems.
• HXM Series engineering provides clean power delivery with excellent efficiency for marine, powersports, and automotive applications.
• Compact amplifier design allows flexible installation while maintaining strong performance and reliability.
• Advanced Class D technology helps reduce heat generation and power consumption during extended use.
• An excellent choice for enthusiasts seeking deep, controlled bass with durable performance in demanding environments.

 
Q&A    

Q: What is the Diamond Audio HXM800.1D designed for?
A: The HXM800.1D is a 1-channel HXM Series Class D monoblock amplifier designed to power subwoofers in marine, motorcycle, UTV, ATV, and other powersports audio systems.

Q: How much power does the HXM800.1D deliver?
A: It delivers 800W RMS x 1 at 1Ω, 550W RMS x 1 at 2Ω, and 350W RMS x 1 at 4Ω for powerful, efficient bass performance.

Q: Is the HXM800.1D built for outdoor environments?
A: Yes. It features a water-resistant design with conformal-coated circuitry, making it suitable for demanding marine and powersports applications.

Q: Does the HXM800.1D include bass tuning controls?
A: Yes. It includes variable low-pass crossover, subsonic filter, phase control, clip indicators, and a wired bass remote for easy adjustment.

Q: Why choose the Diamond Audio HXM800.1D?
A: It combines compact Class D efficiency, high-output subwoofer power, rugged construction, and flexible tuning for premium audio upgrades.

Maintenance Tips    

• Clean the amplifier surface with a soft, dry microfiber cloth to prevent dust buildup.
• Keep ventilation areas clear to ensure proper cooling and prevent overheating.
• Inspect power, ground, remote, and speaker connections regularly for secure, corrosion-free contact.
• Check fuses and wiring periodically for wear, damage, or loose connections.
• Protect the amplifier from excessive moisture, heat, and direct sunlight.
• Retighten mounting hardware as needed to minimize vibration and maintain reliable performance.