QUAD 4 Amplifier Owner’s Manual
Wiring Diagram using RCA connections
POWER
FRONT
REAR
LEVEL
QUAD 4
LEVEL
HI
HI
FULL
FULL
MAX
MIN
MAX
MIN
X-OVER
This diagram shows you how the Quad 4 amplifier is connected directly to your RetroSound radio,
using the standard plugs included, while using the RCA (low level pre-amp outputs). Please note that
you will need to connect the co12V (Yellow) lead to the battery, and the ground lead (black)
to the chassis or frame of the car.
To Speakers
and Power connections
Input Side
Output Side
Quad 4 amplifier
RetroSound Radio
Speaker Plug
from radio
Power Plug
from radio
Connect to Battery
Note: 2 sets of male
RCA connectors are
NOT included,
and are optional.
Connect to Sw12V
(-)
Connect to
Chassis/Frame of car
(close to amp)
12.
Included 15 amp fuse
