Polk Audio Digital Solution System Instruction Manual page 9

Note: Amplifier layout may be slightly different than that shown, depending on model of DS system.
SPEAKER HOOK UP
AUDIO INPUT FROM
FRONT
PREAMP/PROCESSOR
RIGHT
REAR
RIGHT
FRONT
CENTER
REAR
LEFT
FRONT
LEFT
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE
THIS APPLIANCE TO RAIN OR MOISTURE. NO USER SERVICEABLE
PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
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