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ATitle (English)Connecting the Unit
Connection Diagram
•This diagram shows connections using external output (subwoofer output). Slide the input switch to the left.
•When you connect with speaker output, connections defer from the diagram. For details, see the “Using the
Speaker Input” section. In either case, you need to set the input switch. For details, see the “Setting the
Unit” section.
Grommet
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.
Fuse (30 A)
Car stereo with
RCA output jacks
External Output
Connecting wire with RCA
pin plugs (sold separately).
RCA input jack
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.
Speaker output
terminal
See the “Connecting the Speaker Wires”
section for speaker connection instructions.
Fuse (40 A)
× 2
Bass Boost Remote
Control Wire
Bass Boost
Remote Control
6 m
(19 ft. 8 in.)
Jack for the bass boost remote
control Connect this jack and the
bass boost remote control with the
bass boost remote control wire.
RCA output jack
Amplifier with
RCA input jacks
RCA input