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5
®
XA4150
Inputs and Controls
Input Wiring
Important
Use only the low level or high level input, do
not use both at one time.
Low Level Input
Use a pair of shielded stereo audio cables with
RCA type jacks. Most trunk-mount amplifier
installations require 20-foot RCA cables. Most
under-seat and pickup truck installations use
12-foot cables.
Connect RCA cables from your receiver to the
RCA input jacks on the amplifier.
High Level Input
Connect left and right speaker wires coming
from radio to high level input plug as shown.
Inputs may be high level (from the receiver's
speaker) or low level (from special low level
outputs). Low level input is preferred for best
performance.
PASS
POWER
HIGH INPUT
Radio
Splice (as
necessary)
Hi level
input plug
on amp
or
LR
+––+
LR
A
B
INPUT
The power light comes on when 12
volt power is available at both the
battery +12 volt and RMT wires.
Power Light
POWER
The red protect light comes on
when the amplifier shuts down from
overheating or a short circuit
(speaker failure).
Protect Light
PROTECT
POWER protect
HIGH INPUT
A
B
INPUT PASS
C
D
INPUT PASS
HIGH INPUT
White-Left (+)
White/Black-Left (–)
Gray-Right (+)
Gray/Black-Right (–)
Black (ground)
Pass Output
Use pass through (PASS OUTPUT)
connectors for adding other amplifiers.
PASS
5314Eamp.p65 4/10/99, 7:08 PM5