ARC Audio XDi 850.5 Owner's Manual
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Crossover and Gain Controls
To access the crossover controls, mounting tabs or
power connection on all XDi models you will need to
remove the top cover. This is done by removing the 4
screws securing the logo plate using a 5/32” Allen key
or driver bit. Once this is done, gently lift straight up on
the top cover. You may find a little resistance. This is a
tight fit but with a little effort it will lift off. The majority
of the controls can then be easily accessed.
XDi 850.5
®
Full Range Class D Amplifier
www.arcaudio.com
OWNER’S MANUAL
Introduction 1
Finding a Suitable Location 1
Supplying Power 1
The Ground 1
Running the Cables 2
Class D amplifiers 2
Diagnostic Fault Codes 2
Controls and Features
Inputs 3
Gains 3
Crossovers 3
Remote Level Control 3
Bass Boost 4
Ohm Load Matching 4
Speaker Outputs 4
Installation Instructions 5
System Diagrams
5 Channel - Stereo W/Sub 6
Auto Detect 7
Speaker Level Input 7
Specifications 8
Warranty 8