1-Channel Monoblock Class D Waterproof Amplifier IPX67 Marine Rated

Unleash massive bass in any environment with the Diamond Audio 1-Channel Monoblock Class D Waterproof Amplifier, engineered for marine, motorcycle, ATV, UTV, and off-road audio systems. Designed to perform in the harshest conditions, this IPX67-rated waterproof amplifier delivers powerful, clean, and controlled low-frequency output with exceptional reliability.

Built with advanced full-range Class D digital technology, the Diamond Audio waterproof monoblock amplifier produces impressive power with 1200W RMS at 1 ohm, 800W at 2 ohms, and 500W at 4 ohms, making it ideal for driving high-performance subwoofers. Whether you’re upgrading a marine subwoofer system or building a high-output powersports audio setup, this subwoofer amplifier delivers deep, tight bass with minimal distortion.

Engineered for extreme durability, this marine-grade amplifier features IPX67-rated multi-layer circuit boards, protecting against water, dust, and environmental damage. Combined with short circuit, thermal, and voltage protection, the Diamond Audio monoblock amplifier ensures long-lasting performance in demanding conditions.

The amplifier includes balanced differential inputs for noise-free signal transmission and a Direct FET power MOSFET output stage for efficient, high-quality sound. With variable low-pass crossover (40Hz–250Hz), subsonic filter (10Hz–55Hz), adjustable phase control (0°–180°), and up to 18dB bass boost, this high power Class D amplifier allows precise tuning for optimal bass performance.

Installation is simplified with selectable REM, VOX, and DC turn-on modes, ensuring compatibility with factory and aftermarket head units. The included remote bass knob allows real-time control of subwoofer output.

Key Features

• 1-channel monoblock Class D waterproof amplifier
• IPX67-rated for marine and outdoor applications
• 1200W @ 1Ω / 800W @ 2Ω / 500W @ 4Ω RMS power
• Balanced differential inputs for clean signal
• Variable LPF, subsonic filter, and phase control
• Up to 18dB bass boost for enhanced low-end output
• Short circuit, thermal, and voltage protection
• Includes remote bass knob and LED status indicator

The Diamond Audio Waterproof Monoblock Amplifier delivers powerful, reliable, and precision-tuned bass, making it the ultimate solution for marine and powersports subwoofer systems.