Wiring - Boss MC900B User Manual

Wiring

See the section "Installation Precautions".
Disconnect the negative terminal of the vehicle battery prior to wiring.
Connect the unit to a 12VDC battery and negative ground only.
Connect speaker wires to speakers with 4 - 8 Ω.
Never ground or short the speaker wires.
Insulate all bare wires and unconnected wires with electrical tape.
To RCA audio input
on your amplifier (L) White
To RCA audio output
on your playback device
Or to your mobile phone
via an audio jack adapter
USB charging port (1A)
(not for media playback)
Battery
20A fuse (not included)
for power cable extension
CAUTION! The pink wire (labeled BT ANTENNA) is Bluetooth antenna for better reception. Do not short
or ground this wire.
LINE OUT
(R) Red
(R) Red
(L) White
USB CHARGING
REMOTE
ILLUMINATION
GROUND (-)
Fasten with a screw/ bolt
to vehicle's metal frame
(Bluetooth antenna. Do not cut)
BATTERY (+12V)
Black
AUX-IN
Gray
Black
Black
Orange
Black
BT ANTENNA
Pink
Yellow
15A fuse
- 5 -
To 4 - 8 Ω speakers only
Do not bridge any of the
channels.
White
To front left speaker
White/Black
Gray
To front right speaker
Gray/Black
Green
To rear left speaker
Green/Black
Violet
To rear right speaker
Violet/Black
To power terminal
REMOTE OUT
on an external
Blue
amplifier (optional)
(12V, max 500mA)
To vehicle accessory
IGNITION
power switch (ACC)
Red
for power control on
this unit