Connecting the Unit
Connection Diagram
• This diagram shows connections using external output (subwoofer output). Slide the input switch to the
right (RCA).
Grommet
Bass Boost Remote Control
Jack for the bass boost remote
control
Connect this jack and the bass
boost remote control with the
bass boost remote control wire.
Fuse (30 A) × 2
7
Fuse (40 A) × 2
Bass Boost Remote Control Wire
6 m
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 ter-
minal, connect the male terminal to the power terminal through the
ignition switch.
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.
Connecting wire with RCA
pin plugs (sold separately).
External Output
(Subwoofer output)
RCA input jack
Reverse side
Speaker terminal
See the "Connecting the Speaker Wires"
section for speaker connection instructions.
Car stereo with
RCA output jacks