Pioneer PRS-D400 - Manual (Page 10)

Connecting the Speakers and Input Wires
The speaker output mode can be four-channel, three-channel (stereo + mono)
or two-channel (stereo, mono). Connect the speaker leads to suit the mode
according to the figures shown below.
Four-channel
Three-channel
≠ +
+ ≠ ≠ +
+ ≠ ≠ +
+ ≠ ≠ +
9
Connecting the Unit
RCA input jack A
(Right)
Speaker out A
(Left)
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)
RCA input jack A
(Right)
Speaker out A
(Left)
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)
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.
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.