By Diamond Audio

DXM800.4D - 4-Channel 800W RMS Full Range Class D Waterproof Amplifier

Regular price $589.99
Regular price Sale price $589.99
Shipping calculated at checkout.
Brand: Diamond Audio
SKU: DXM800.4D
Regular price $589.99
Regular price Sale price $589.99

DXM800.4D - DXM 4-Channel Full Range Class D Waterproof Amplifier

Introducing our high-end marine amplifiers, meticulously designed for motorcycles, boats, ATVs, automobiles, and off-road vehicles. These amplifiers are exceptionally powerful and extremely reliable, engineered to deliver outstanding performance in the most demanding environments.

Built with IPX67-rated waterproof multi-layer circuit boards, these amplifiers are perfect for marine applications, ensuring durability and longevity. Enjoy noise-free operation with balanced differential inputs, and experience superior sound quality with full-range digital Class D technology and Direct FET power MOSFET output stage.

Fine-tune your audio system with 12dB per octave adjustable crossovers and phase control, providing precise system tuning. The selectable 3-option Auto Turn-On Mode circuit is designed to work seamlessly with any OEM head unit, simplifying installation and enhancing versatility.

Upgrade your audio experience with our high-end marine amplifiers. Whether you're on the water, off-road, or cruising the highway, these amplifiers deliver the power, reliability, and sound quality you demand. Embrace the ultimate in audio performance and rugged durability today.


  • 200W x 4CH @ 2Ω
  • 125W x 4CH @ 4Ω
  • 400W x 2CH @ 4Ω Bridged RMS Power Output
  • Input Sensitivity: 0.2-10 Volt
  • Crossover Filter : 40-400Hz, 12dB Per Octave Slope
  • Frequency Response: 10-33KHz
  • Selectable X-Over: LPF / FULL / HPF
  • Selectable 2CH / 4CH Input Modes
  • Dimensions: 11.76” x 4.33” x 1.73” / 298.6 x 110 x 44.0 mm
  • RCA Input & Line-Out, Speaker, Power Supply Harness Kits Included