Connecting the Unit
Connecting the Speakers and Input Wires
The speaker output mode can be
Four-channel
Input select switch is on the top of the unit. For two- channel input, slide this switch to the left. For four- channel input, slide this switch to the right.
RCA input jack A
RCA input jack B
Connecting wires 
with RCA plugs 
(sold separately)
From car stereo (RCA output)
If only one input plug is used, such as when the car stereo has only one output (RCA output), connect the plug to RCA input jack A, but do not connect a plug to RCA input jack B.
(Left) Speaker out B (Right)
(Right) Speaker out A (Left)
Three-channel
Input select switch is on the top of the unit. For two- channel input, slide this switch to the left. For four- channel input, slide this switch to the right.
RCA input jack A
RCA input jack B
Connecting wires 
with RCA plugs 
(sold separately)
From car stereo (RCA output)
If only one input plug is used, such as when the car stereo has only one output (RCA output), connect the plug to RCA input jack A, but do not connect a plug to RCA input jack B.
Speaker out B (Mono)
(Right) Speaker out A (Left)
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