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JL Audio Marine M4500 (MC4500)

500W RMS, 4-Channel M-Series Marine Amplifier

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The product on this page is discontinued, but there is a newer model available:
Newer Model: JL Audio M400/4
m4004 thumbnail
$369.95In Stock

Specials with this product

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JL Audio is a brand that can be trusted. Their subwoofers and amplifiers often exceed their expectations. If you are in the market for a quality amplifier that can be put the the test, this could be the one for you.

The JL Audio M-Series uses advanced amplifier technology to greatly enhance the sound and performance of your marine sound system. This amplifier offers a patented, high-efficiency Class A/B amplification circuit that provides sufficient power to high performance subwoofer systems. The M4500 is fully protected against any marine situation that you could be in, making this a perfect choice for your boat!

  • JL Audio M-Series 4-Channel Marine Amplifier
  • RMS Power Rating at 14.4V:
    • 4 ohms: 80 watts x 4 chan.
    • 2 ohm: 125 watts x 4 chan.
    • Bridged,8 ohms: 160 watts x 2 chan.
    • Bridged,4 ohms: 250 watts x 2 chan.
  • RMS Power Rating at 12.5V:
    • 4 ohms: 60 watts x 4 chan.
    • 2 ohm: 90 watts x 4 chan.
    • Bridged,8 ohms: 120 watts x 2 chan.
    • Bridged,4 ohms: 180 watts x 2 chan.
  • Max power output: 250 watts x 2 chan.
  • MOSFET power supply
  • Remote bass level input (RBC-1remote level control sold separately)
  • LED power indicators
  • Selectable bass boost (0 or 6 dB at 45 Hz)
  • 1 Pair of pass-through preamp RCA outputs
  • Absolute Symmetry Class A/B Circuit
  • Heavy duty aluminum alloy heatsink for heat dissipation
  • RCA level inputs
  • Screw terminals
  • Variable high-pass filter (50-200 Hz, 12 dB/octave)
  • Variable low-pass filter (50-200 Hz, 12 dB/octave)
  • Frequency response: 10-25,000Hz
  • Dimensions: 13-7/8"L x 9-1/4"W x 2-1/2"H
  • 8-gauge speaker wire accepted
  • 4-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
  • 1-year SonicElectronix.com warranty
  • Note: Item can be exchanged up to 30 days, after 30 days item will be repair only
Product History:
JL Audio M400/4 thumbnail
(newest, current model)
JL Audio Marine M4500 (MC4500) thumbnail
(previous model, replaced by JL Audio M400/4)
Power Specifications - Full Range Channels
RMS Power @ 4 ohms80 watts x 4 channels
RMS Power @ 2 ohms125 watts x 4 channels
RMS Power @ 1 ohmNot Stable
Bridged RMS Power250 watts x 2 channels
Peak Power Output250 watts x 2 channels
Amplifier Specifications
Marine CertifiedYes
Amplifier ClassAB
Number of Channels4
Total Peak Power Output500 watts
Total RMS Power Output500 watts
Maximum Input Gauge Size4 AWG
Minimum Impedance Unbridged2 ohms
Minimum Impedance Bridged4 ohms
THD at Rated RMS Power0.1%
Speaker Level InputsNo
Preamp Outputs1 pair
Built-in CrossoverLow-pass (LP)
High-pass (HP)
Full (AP)
High-Pass Crossover Frequency50 - 200 Hz
Low-Pass Crossover Frequency50 - 200 Hz
Subsonic FilterN/A
Signal-to-Noise Ratio104 dB
Channel SeparationN/A
Bass Boost0 - 6 dB
Bass/Gain RemoteOptional (Accessory required and sold separately)
Fan CooledNo
Fuse RatingN/A
CEA-2006 CompliantNo
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration1 year
Labor Warranty Duration1 year
Warranty ProviderSonic Electronix
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Bass Remote Control
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Product Summary

Manufacturer: JL Audio
Model number: M4500
UPC: 699440980968
Weight: 11.00 lbs
Internal SKU: m4500
Internal product ID: 16066
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Customer Testimonial

I have only just started using this company and so far I am very impressed by the contact I have had with the staff, and they have been very efficient and quick in answering my emails, and the answers have always been very complete. Thanks again from Germany.

- Rene G. from Germany

See more…

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