When troubleshooting your amp, speaker and speaker wires should be tested first.
If you are uncertain or uncomfortable proceeding with your installation, please contact your local
authorized Memphis Audio Dealer
Memphis Audio recommends the installation of our products to be performed by an Authorized dealer. Attempting
an installation project on your own or through an unauthorized source may result in damage to your products and
may potentially void your warranty.
Marine enclosures should be mounted in areas that receive adequate ventilation. These enclosures are water and
element resistant but should be mounted in areas that do not receive excessive direct contact with water. These
units are not intended to be submerged and care should be used when determining a mounting location.
Be certain the power is disconnected prior to starting your installation. Failure to disconnect the electrical system
prior to installation may result in injury, damage to your unit, or damage to your vehicle.
Take time to inspect the area you plan on installing your Memphis Marine Enclosure. Check the area for any potential
hazards like electric lines, fuel lines, hydraulic lines or any other potential hazards.
Be certain you are installing your Memphis Marine Enclosure in a safe location that will not interfere with your ability
to safely operate your vehicle.
Confirm the mounting location is a stable and secure location. You will be screwing the unit directly into the
mounting location using the (8) provided screws. Be certain the location is able to accept the screws and that the
screws will not cause any cosmetic, structural or mechanical damage to your vehicle.
No Output
•Confirm all wiring is firmly connected. Both +12V and REM terminals must have +12 Volts present and GND must be
connected to chassis’ ground or to the negative battery terminal.
•Confirm the signal source is connected and supplying an output signal. To confirm the amp is working, connect an
RCA patch cord to the line inputs of the amplifier (do not connect the other end of the patch cord). Briefly tap the
center pin of each disconnected RCA with your finger. This should produce a noise (brief static or hum) in the
speakers.
The Amp Is Hot
Check the speaker impedance or load. The total minimum impedance of all speakers should not be lower than the
rating of the amp.
Only One Channel Works
• Confirm the speaker terminal strip connections are firmly connected.
• Check “balance” control on your signal source.
• If using RCA Low-Level inputs, reverse the input plugs at the amplifier. If the channel that is silent reverses
position, the problem is in the source unit or connecting cable.
Weak Output
• Check input sensitivity control adjustment.
Unwanted Noise
• Whine that increases and decreases with engine speed - confirm the Amp & Source unit are grounded properly.
• Clicking or popping noise at a rate that follows engine speed - this is often induced by the vehicles ignition system.
Confirm that the vehicle is equipped with resistor spark plugs and wires. The ignition system may need service.
• Noise can be caused by routing speaker input wires too close to the light wires and other accessory wires in the
vehicle. Re-route wires to avoid unwanted interference.
• If above steps do not improve/reduce noise, the system should be checked by a professional audio installer at a
Memphis Authorized Dealer.
Red LED is Illuminated
• Speaker or wire is shorted
• Battery voltage too high
• Amplifier has overheated due to improper ventilation
• Battery voltage too low
Troubleshooting
Warning
Installation Information
