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4. Speaker Connections
Depending on the type and number of speakers used with the amplifier, wire them to the speaker terminals as per
the appropriate wiring diagram. For most applications, #18 gauge wire should be used for the speaker leads but
in no case thinner than #20 gauge. For leads in excess of 10 feet, #16 gauge is recommended. When wiring the
speakers, pay careful attention to the polarity of the terminals on the speakers and make certain they correspond
to the polarity of the corresponding terminals on the amplifier. DO NOT ground any speaker leads to the chassis
of the vehicle.
5. Input Connections
This amplifier features both high and low-level input capability. Use either the low-level or high-level inputs, not both.
If low-level outputs are provided from the car stereo, it is recommended that the low-level inputs be used for lowest
distortion and best performance. Use good quality shielded audio cables with RCA plugs at both ends to connect
the stereo to the amplifier and keep the cable lengths to a minimum to avoid noise.
If the car stereo does not provide low-level outputs, the amplifier may be connected via the speaker (high-level)
outputs from the stereo. Wire the speaker leads from the car stereo to the 4-pin adaptor harness as shown in the
diagram (shielded cable is not required for this application) and plug the connector into the mating High-Level Input
connector on the amplifier. Carefully splice and insulate all wire connections.
WIRING INSTRUCTIONS
CAUTION: Use either the low-level or the high-level inputs on the amplifier.
DO NOT use both input levels at the same time.