Dual XPR520 User Manual

7
Amplifier Connections
Speaker Connections
Connectspeakerwiresobserving
polarity. Theminimumimpedance
loadfortheXPR522orXPR540
is 2 ohms stereo and 4 ohms
bridged.Useofloadslowerthan
these is not recommended and
maycauseamplifierdamage.The
XPR522andXPR540canbewired
forstereo,bridgedorstereo/
bridged simultaneous operation.
Input Signal Connections
Low Level Input (RCA)
Lowlevel(RCA)inputsignalispreferredforbestperformance.Typicaltrunk-mount
amplifierinstallationsrequirea17-20footRCAcable.Mosttrucksandunder-seat
applicationsrequirea6-9footRCAcable.UsingtwistedpairconstructionRCAcableswill
minimize noise.
High Level Input (Speaker Wire)
High level inputs should only
be used when RCA outputs are
not available from the head unit.
Connecttheheadunitspeaker
outputstothehighlevelinput
connectorasshownbelow.The
blackwire(signalreferenceground)
mayormaynotrequireaconnection
tochassisground-dependingon
your particular installation.
Subwoofer (mono)
Typical Bridged Wiring
(4 ohms minimum)
2 Speakers (stereo)
Typical Stereo Wiring
(2 ohms minimum)
HI-LEVEL INPUT CONNECTION
Grey = Right (+)
Grey/Black = Right (-)
Black
= Ground
White/Black = Left (-)
White = Left (+)
CAUTION
Donotusebothlowandhighlevelinputsatthesametime-connectonlyoneortheother.
XPR522speakerconnectionsshown

Dual XPR520 Specifications

General

Brand	Dual
Model	XPR520
Category	Amplifier
Language	English