JL Audio MHD900/5 900W RMS 5-Channel Class D Marine Amplifier with Full-Range & Subwoofer Channels (010-03103-00)

The JL Audio MHD900/5 combines four full-range speaker channels with a dedicated subwoofer channel in one compact marine amplifier. It is designed to power a complete multi-speaker and bass system without requiring separate full-range and subwoofer amplifiers.

Key Features

• 900W RMS combined rated system output
• Four full-range channels plus one dedicated subwoofer channel
• Class D amplifier topology
• Protected marine-grade chassis
• Integrated crossover and level adjustments
• Suitable for a compact, multi-channel marine audio installation

Technical Specifications

• Amplifier configuration: 5 channels (4 full-range + 1 subwoofer)
• Total continuous power: 900W RMS
• Full-range output: 100W RMS x 4 at 4 ohms (14.4V)
• Subwoofer output: 500W RMS x 1 at supported load
• Electrical system: 12V negative ground
• Amplifier class: D
• Approximate dimensions: 10.75" W x 7.83" D x 1.93" H

Compatibility

• Designed for a compatible 12V marine electrical system.
• The full-range channels power marine speakers; use the dedicated subwoofer channel for a properly matched subwoofer.
• Not the separate 24V MHD900/5-24V variant.

Installation Notes

• Use manufacturer-recommended cable gauge, fusing, grounding, ventilation, and wiring practices.
• Verify minimum allowed speaker impedance and the correct crossover settings before installation.

Detailed Amplifier Specifications

• Amplifier topology: Class D with Single Cycle Control and R.I.P.S. regulated power supply
• RMS power at 4 ohms: 100W x 4 full-range channels plus 500W x 1 subwoofer channel (1.5–4 ohms)
• RMS power at 1.5–3 ohms: 75W x 4 main channels plus 500W x 1 subwoofer channel
• Bridged RMS output: 150W x 2 at 3–6 ohms plus 500W subwoofer; or 200W x 2 at 8 ohms plus 500W subwoofer
• Main-channel frequency response: 12Hz–28kHz; subwoofer channel: 12Hz–10kHz
• Front/rear high-pass filters: 50–500Hz, selectable 12/24dB per octave
• Subwoofer low-pass filter: 50–500Hz, selectable 12/24dB per octave
• Subwoofer subsonic filter: 30Hz at 24dB per octave
• Inputs: differential-balanced RCA; accepts speaker-level signals through appropriate adapter
• Chassis: approximately 10.74 in. W x 1.98 in. H x 9.5 in. D

What's in the Box

• MHD900/5 5-channel marine amplifier
• Power/ground/remote turn-on connector plug
• Two 2-speaker connection plugs
• One 1-speaker connection plug
• Four mounting feet
• 2.5mm Allen wrench
• 4mm Allen wrench
• Four M4 x 40mm flat-head machine screws
• JL Audio badge
• Owner's manual