Connecting the Unit
Connection Diagram
• This diagram shows connections using external output (subwoofer output). Slide the input switch to the left.
Grommet
7
RCA input jack B
RCA input jack A
RCA input jack B
Fuse (25 A)
Car stereo with
RCA output jacks
Reverse side
Connecting wire
with RCA pin plugs
(sold separately).
Speaker output terminal
See the “Connecting the
Speakers and Input Wires”
section
for speaker connection
instructions.
External Output
If only one input plug is used,
do not connect anything to RCA
input jack B.
Fuse (40 A
×
2)
Special red battery wire [RD-228] (sold separately)
After making all other connections at the amplifier,
connect the battery wire terminal of the amplifier to
the positive (+) terminal of the battery.
Ground wire (Black) [RD-228] (sold separately)
Connect to metal body or chassis.
System remote control wire (sold separately)
Connect the male terminal of this wire to the system remote
control terminal of the car stereo (SYSTEM REMOTE CONTROL). The
female terminal can be connected to the auto-antenna relay control terminal.
If the car stereo does not have a system remote control terminal, connect the
male terminal to the power terminal through the ignition switch.