Installation manual

OWNER'S MANUAL
• Rear Channel Input Select - ThIS sWItch allows you to use a 2 channel mput
to
dnve all 4 channels of thIS amplifier.
•
Speaker Level Inputs - These provIde connectIOns for a hIgh-level stereo
source. In additIOn, these connectIOns are provIded for mstallatIOns where the
source
umt's RCA outputs are unavailable.
WARNING: When usmg the speaker (hIgh-level) mputs, the Black WIre must
be grounded at the Radio. Failure to do
thIS will result m nOIse and Improper
operatIOn.
CONNECTIONS FOR POWER AND SPEAKERS
The rear panel of the APX400.4 contams power and speaker connectIOns as
shown below.
Figure 2-
2 6
~BA~~ED~
':~ biJr@ [irijl @ j
----\------11------------- u! ®
7 8
1. Left Front Speaker Output
2. RIght Front Speaker Output
3. Remote Tum-on Input
4. Ground Input
5. Battery
+ 12v Input
6. 40 Amp Fuse
7 Left Rear Speaker Output
8. RIght Rear Speaker Output
5