The JL Audio MHD900/5 is a compact, high-output 5-channel Class D marine system amplifier designed to power a complete boat audio system from one chassis (four full-range channels plus a dedicated subwoofer channel). Built with marine-ready finishes, a gasketed control cover and stainless hardware, it’s a proven choice for tight installations where clean power and reliability matter.

• SKU (TMP Global): JLMHD900/5
• JL Audio model / OEM ref: MHD900/5
• JL Audio part number: 98226
• Total system power: 900 W
• Marine build: white/gray powder-coated finishes, gasketed cover, stainless steel hardware

Power ratings (RMS):

• Main channels (Ch. 1–4): 100 W x 4 @ 4Ω; 75 W x 4 @ 1.5–3Ω
• Subwoofer channel (Ch. 5): 500 W x 1 @ 1.5–4Ω
• Bridged (main channels): 150 W x 2 @ 3–6Ω; 200 W x 2 @ 8Ω

Key features:

• JL Audio Single Cycle Control™ switching design with R.I.P.S. regulated power supply for consistent output across varying loads
• Adjustable crossovers: variable high-pass on main channels and variable low-pass on sub channel (50–500 Hz), with selectable 12/24 dB slopes
• Subsonic (infrasonic) filter: defeatable 24 dB/oct @ 30 Hz on the subwoofer channel
• Differential-balanced inputs to help reduce noise in marine electrical environments
• Optional accessories: HD-RLC wired remote level control; HD_STACK_KIT stacking kit (sold separately)

Installation notes (important): Designed for 12V charging systems (typical operating range 11–14.5V). Use a properly sized external fuse (commonly 60A) and confirm speaker impedance and bridging loads before installation to avoid amplifier protection events or speaker damage.

Supplied by Recambios Marinos (Recmar). Need help matching speakers/subwoofers or setting up a 4-speaker + sub system? Contact TMP Global and we’ll help confirm ratings and compatibility before you order.