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XLS Series Power Amplifi ers
Operation Manual
page 7
3 Setup
3.7  Wire Your System
3.7.1 Stereo Mode
Typical input and output wiring is shown in 
Figure 3.6.
INPUTS: Connect input wiring for both 
channels.
OUTPUTS: Maintain proper polarity (+/-) on 
output connectors.
Connect Channel 1 positive (+) speaker load  
to Channel 1 positive (red) terminal of amp; 
repeat for negative (-). Repeat Channel 2 wiring 
as for Channel 1.
3.7.2 Bridge-Mono Mode
Typical input and output wiring is shown in 
Figure 3.7.
INPUTS: Use a custom “Y” adapter cable, 
wired to split the signal and invert the polarity 
for the Channel 2 amplifi er input as shown in 
Figure 3.8. We recommend you label the ends 
of the Y adapter to help make sure to connect 
the correct end to each amplifi er input.
Connect the Y adapter between the signal 
source and each amplifi er input.
NOTE: Crown provides a reference of wiring 
pin assignments for commonly used connector 
types in the Crown Amplifi er Application Guide 
(Section 1.21.) available at www.crownaudio.
OUTPUTS: Connect the speaker across the red 
binding post of each channel. Do not use the 
black binding posts when the amp is being 
operated in Bridge-Mono mode.
NOTE: The Channel 1 and 2 level con-
trols MUST be set to identical settings 
when operating the XLS amplifi er in 
Bridge-Mono mode.
120V
110V
120V
110V
Figure 3.6. System Wiring, Stereo Mode 
Figure 3.7. System Wiring, Bridge-Mono Mode 
Figure 3.8. Custom Input Cable for Bridge-Mono Mode