RCA INTERCONNECT WIRING
Choose the correct length and style of RCA interconnects for your needs. Always use high quality RCA audio
cables (not supplied) for signal connections—those with multiple layers of shielding or a twisted pair variety
for better noise rejection.
Most trunk/hatchback installations will require a 15-20 foot (4.5 meter) RCA cable, while pickup trucks will
require a 6-12 foot (2 meter) RCA cable. Connect an RCA cable from the source to the RCA LINE IN on the
amplifier side panel (see fig 4).
Be extra careful when routing your RCA audio interconnect cables. Car environments are notorious for poorly
insulated wires. This means that hiss, engine noise, and fan noise can easily be picked up through RCA
cables if run incorrectly.
Make sure that the cables for power and audio signal are not on the same side of the vehicle and that they
do no cross each other; this will help reduce any noise that may radiate from the power cable and the signal
cable. If an audio cable is too close to a power cable, it may pick up the magnetic field generated by the
power cable, which could lead to a loss of quality in your signal.
If RCA interconnects must cross power cables, noise can best be avoided by crossing them
between 45° and 75°.
Fig.4 Low Level Input using RCA
NOTE:
The use of good quality RCA cables is just as important as power and speaker wire. Choose a high quality
low capacitance cable for best results.
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