Advanced charging performance for 24 V marine and RV systems

The JL Audio® MHD Series 4-Channel Marine Amplifier delivers 600 W of clean, efficient Class-D power for 24-volt applications. Built to thrive in harsh marine conditions, it provides outstanding sound clarity, flexible channel configuration, and compact construction ideal for boats and off-grid vehicles.

Key Features

  • High-efficiency Class-D design: Delivers full-range power with minimal heat for superior performance.
  • Robust 24 V operation: Supports 22–29 V DC systems, producing 150 W × 4 or 300 W × 2 (bridged).
  • Precision filtering: Switchable 12/24 dB-per-octave crossovers from 50–500 Hz for clean, balanced output.
  • Low total harmonic distortion: < 0.03% THD+N ensures distortion-free audio at all levels.
  • Compact and durable: Marine-grade chassis (49 mm × 273 mm × 199 mm) with corrosion-resistant components.
  • Exceptional signal clarity: Signal-to-noise ratio > 110 dB for true studio-quality sound reproduction.
  • Flexible connectivity: Buffered preamp outputs and input mode switches for multi-amp integration.
  • Comprehensive protection: Thermal, over-current, and short-circuit safeguards extend amplifier life.

Precision-engineered for marine environments, it provides consistent, high-fidelity sound power where performance and reliability are paramount.

Technical Specifications
Amplifier Type Class D
Channels 4-Channel Full-Range
Operating Voltage 22–29 V DC (24 V Systems)
Rated Power @ 4 Ω (14.4 V Input) 150 W × 4 / 300 W × 2 (Bridged)
Rated Power @ 2 Ω (14.4 V Input) 150 W × 4 / 300 W × 2 (Bridged)
Signal-to-Noise Ratio > 110 dB (A-weighted)
THD + Noise @ Rated Power < 0.03% @ 4 Ω
Frequency Response 6 Hz – 30 kHz (+0, −1 dB)
Damping Factor @ 4 Ω > 300 @ 50 Hz
Filter Frequency Range 50 Hz – 500 Hz (12/24 dB per octave)
Fuse Rating 25 A (24 V Version)
Recommended Fuse Type AFS, AGU or MaxiFuse™
Min. Power/Ground Wire 4 AWG
Dimensions (H × W × D) 49 mm × 273 mm × 199 mm
Weight 2.99 kg (6.6 lb)
Warranty 3 Years
SKU GAR.010-03104-00
Model # 010-03104-00
UPC/EAN 699440982276
Brand JL Audio
Shipping Weight 3.7400kg
Unit Of Measure each

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