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Connection
CENTER UNIT
(CD receiver, etc.)
A channel input
RCA cable*
Power control wire
(Blue/ White)
■ RCA cable or Speaker level input connection
Genuine-accessory car
stereo
(No line output center unit
etc.)
ACC
Battery
Car fuse box
• RCA cable connections
• Speaker level input connections
B channel input
Speaker level input cable
NOTE
• Do not connect cables and leads to both RCA
cable input jacks and the speaker level input
terminals simultaneously, for this may cause
malfunction or damage.
Speaker level input terminals
• The genuine-accessory car stereo shall have a
maximum power output of no more than 40 W.
• Connect the power control lead to a power
supply which can be turned ON/OFF by
the ignition key switch (ACC line). With this
connection, pop noise may be generated when
the power of the genuine-accessory car stereo is
switched ON/OFF.
Speaker output terminals (A.ch/ B.ch)
• Stereo Connections:
The speakers to be connected should have an
impedance of 2Ω or greater. When multiple
speakers are to be connected, ensure that the
combined impedance is 2Ω or greater for each
channel.
• Bridged Connections:
Make connections to the LEFT channel 9 and the
RIGHT channel · SPEAKER OUTPUT terminals.
The speakers to be connected should have an
impedance of 4Ω or greater. When multiple
speakers are to be connected, ensure that the
combined impedance is 4Ω or greater.
Power control terminal
Controls the unit ON/OFF.
NOTE
Controls the unit power. Be sure to connect it with
all the systems.
Fuse
KAC-7404: 40 A × 1
KAC-6404: 25 A × 1
Cable Color of the connector
A channel
Left
9
White
·
White/Black
A channel
Right
9
Gray
·
Gray/Black
B channel
Left
9
Green
·
Green/Black
B channel
Right
9
Purple
·
Purple/Black