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Wiring: RetroSound Radio® | RCA Connection
Connect the Quadraphonic amplifier to your RetroSound® radio’s wiring
harness by connecting the power connector (black) and RCA cables to
the input side of the amplifier. When using RCA connections, the brown
speaker connector is not needed. Next, connect the black GROUND lead to
a suitable grounding point and the yellow CONSTANT lead to the vehicle’s
battery (see page 6). Connect the front & rear speakers to the output side
of the amplifier using the Speaker Harness supplied with your RetroSound
Radio. Refer to the Installation and Assembly Manual for instructions on
how to connect the Power Harness. This amplifier is NOT bridgeable.
REMOTE/AMP TURN-ON (Blue/White)
POWER ANTENNA (Blue)
Left Front
Speaker
White (+)
White/Black (-)
Right Front
Speaker
Gray (+)
Gray/Black (-)
POWER
QUAD4
Input Side (from radio)
Output Side (to speakers)
MAX
HPF FULL
GAIN
MINMAXMIN
GAIN
HPF FULL
X-OVER
FRONT REAR
Connect ground to chassis or
frame close to the amp.
to speakers and power connections
GROUND (Black)
Left Rear Speaker
Green (+)
Green/Black (-)
Right Rear Speaker
Purple (+)
Purple/Black (-)
IGNITION/ACC (Red)
Connect yellow lead to battery.
Connect black lead to ground.
GROUND (Black)
CONSTANT +12 Volt (Yellow)
CONSTANT +12 Volt (Yellow)
NOTE: Two sets of RCA
cables are not included.
Power Harness
Included with RetroSound Radio
Speaker Harness
Included with RetroSound Radio
Main Harness
Included with RetroSound Radio
from radio
Power Connector
Speaker Connector
DO NOT USE with
RCA connected
X