Marine amplifier MX600/3

The JL Audio MX600/3 amplifier package contains the following items:

One (1) amplifierFour (4) stainless steel mounting screwsOne (1) user manual

The JL Audio MX600/3 amplifier is a 3-channel Class D system amplifier, delivering a total power output of 600 watts.

Yes, the MX600/3 amplifier is IPX7 certified. This means it has been tested to withstand immersion in water up to 1 meter deep for 30 minutes. However, it must never be submerged underwater for extended periods or exposed to high-pressure water jets.

This amplifier is designed to operate with 12-volt negative-ground electrical systems. Using this product with positive-ground systems or voltages other than 12V may damage the product and void the warranty.

The minimum recommended wire size for power and ground leads for this amplifier is 4 AWG (American Wire Gauge).

Yes, an appropriate fuse (sold separately) is essential for the safety of the vehicle/boat. This fuse must be installed within 45 cm (18 inches) of the battery’s positive connection. If the MX600/3 amplifier is the only device connected to this main wire, use a 60A fuse. Do not install the fuse until the power wire is securely connected to the amplifier.

It is recommended to install the amplifier in a dry, well-ventilated location that does not interfere with other factory-installed electronic equipment. If a dry environment is not available, a location not exposed to heavy spray can be used. Never install it in the engine compartment, in areas of extreme heat, or directly exposed to the elements.

Connect the blue remote control wire of the amplifier to the positive remote control output (+12V) of your source unit. If your source unit has no dedicated output, the amplifier's control wire can be connected to +12V via a switch powered by an ignition-switched circuit.

The MX600/3 amplifier supports two types of signal input:

Low-level input: Connect the amplifier’s RCA input jacks to the preamp-level output jacks of the source unit.
High-level input: If your source unit has no preamp-level outputs, you can splice the speaker output wires from the source unit onto a pair of RCA plugs for each input pair, or use the JL Audio ECS Speaker Wire to RCA adapter (XD-CLRAIC2-SW). Ensure correct polarity is maintained.

The left and right subwoofer inputs (Ch. 3 and Ch. 4) will be combined in mono. If only one subwoofer signal channel is available, it is recommended to use a Y-adapter to power both subwoofer inputs of the amplifier.

The subwoofer output level of the amplifier can be controlled from the front of the vehicle/ship with an optional remote level controller (sold separately). Use the RBC-1 for standard (dry) installations or the M-RBC-1 for applications exposed to moisture.

The amplifier's controls and settings are located on the lower panel, under a watertight protective cover. To access and adjust them, remove the four Phillips screws from the central panel. Replace the cover once adjustments are complete and reinstall the amplifier.

No, it is extremely dangerous to route the system wiring outside or under the vehicle/vessel. This can lead to severe damage or injury. All cables must be routed inside and protected from sharp edges.

No, this product is not certified or approved for use in aircraft.

Before starting installation, it is essential to disconnect the battery's negative terminal and secure the disconnected cable to prevent accidental reconnection. This is a critical safety measure.

No, although the amplifier is water-resistant, it must not be installed in a location directly exposed to the elements (direct rain, prolonged intense sunlight, etc.). It is preferable to mount it in a protected area.

If you do not respect the correct polarity when connecting the high-level inputs, this will result in signal loss and poor audio performance.

Protect all wires in the system from sharp edges (metal, fiberglass, etc.) by routing them carefully, securing them, and using grommets and sleeves where necessary. Secure all wiring with cable ties or cable clamps to protect it from moving parts and sharp edges.

Yes, the MX600/3 amplifier uses Class D technology for all its channels, enabling a compact design and high energy efficiency.

Yes, it is crucial to check before drilling to ensure you do not drill into an outer panel/hull, fuel tank, fuel/brake line, cable bundle, or any other vital system of the vehicle/ship.