Dual XPR540 User Manual

Note: Besuretofollowspecificinstructionsincludedwithyouramplifierinstallation
kit(notincludedwiththisamplifier).Theinformationbelowshouldbeusedageneral
guideline only.
Power Wire (BAT+)
•Disconnectnegativebatteryterminalbeforeproceeding.Consultaqualified
technician for instructions if you are unsure.
•Planwireroutingbeforecuttinganywirestolength.Beginbyroutingthepower
+12Vwirefromthebatterytotheamplifierlocation.Useagrommetwhenrunning
wiresthroughthefirewallormetalopenings.Avoidrunningthepowerwirenear
existingvehiclewiringtopreventinducednoisefromenteringtheaudiosystem.
•Useextremecautionwhendrillingholestoavoiddamagingfuellinesorexisting
vehiclewiring.
•The+12VwireMUSTbefusedwithin18"ofthebatteryforprotectionofthevehicle’s
electrical system.
Ground Wire (GND)
•Theamplifiergroundwireshouldbeasshortaspossible.Chooseacleanunpainted
sectionofmetalorthevehiclechassiswhenattachingthegroundconnection.Be
sure to clean the area of any dirt or grease.
Remote Turn-on Wire (REM)
•Theremoteturn-onwireconnectstotheheadunit'samplifierturn-onleadorpower
antenna output.
Speaker Wires
•Chooseadequategaugespeakerwiredependingonyourexactamplifier/speaker
combination.Besuretoobservepolaritywhenconnecting.
•Donotgroundanyspeakerwiresorconnectanyspeakerwirestogether.
Input Signal
•Theamplifier'sinputsignalconnectstotheheadunit'slowlevel(RCA)orhighlevel
(speakerwire)outputs.
•Lowlevelinputsignaldeliverthebestperformance.Ifunavailable,usethehigh
levelinputs-wheninterfacingwithfactoryheadunitforinstance.
CAUTION
•Donotusebothlowandhighlevelinputsatthesametime-connectonlyoneor 
the other.
•Neverrunanywiresunderneathoroutsidethevehicle.
3
Connection Descriptions

Dual XPR540 Specifications

General

RMS Power Output (2 Ohms)	75W x 4
Bridged Power Output (4 Ohms)	150W x 2
Frequency Response	20 Hz - 20 kHz
Signal to Noise Ratio	>90 dB
THD at Rated Power	<0.05%
Bass Boost	0-12 dB
Crossover Slope	12 dB/octave
Input Sensitivity	200mV to 6V
RMS Power Output (4 Ohms)	50W x 4
RMS Power @ 4 Ohms	50W x 4