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INSTALLATION INFORMATION
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.
Amplifiers are generally mounted in the hatch/trunk area of your car or SUV or behind the seat of most pick up
trucks. Select a location that provides adequate ventilation. Avoid mounting the amplifier with fins facing down.
Amplifier should be secured using the screws provided.
WARNING
For your safety, always inspect the mounting location carefully to ensure you are not drilling into any electrical,
hydraulic, fuel or fluid lines. Always check your speaker load with a multi-meter before connecting the amplifier.
Connecting any speaker load lower than the rated impedance of the amplifier will result in damage to the amplifier.
Damage of this nature is NOT covered under warranty. Please pay close attention to what connections are made to
the amplifier.
TROUBLESHOOTING
When troubleshooting your amp, speaker and speaker wires should be tested first.
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.
·If 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.
Weak Output
·Check input sensitivity control adjustment.
·Check subsonic filter setting
Unwanted Noise
·Whine that increases and decreases with engine speed- confirm the AmpS 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.
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