5
®
LXA300
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.
White-Left (+)
White/Black-Left (–)
Gray-Right (+)
Gray/Black-Right (–)
Black (ground)
POWER
HI INPUT
LOW INPUT
L
R
PROTECT
PASS
L
R
The power light comes on when 12
volt power is available at both the
b12 volt and RMT wires.
Power Light
The red protect light comes on
when the amplifier shuts down from
overheating or a short circuit
(speaker failure).
Protect Light
Pass Output
PASS
L
R
Use pass through (PASS
OUTPUT) connectors for
adding other amplifiers.
POWER
PROTECT
POWER
HI INPUT
LOW INPUT
L
R
Radio
L
R
Splice (as
necessary)
Hi level
input plug
on amp
or
L R
+
–
–
+
