INSTALLATION/OWNER’S MANUALMobile Power Amplifiers

XPA SERIES

XPA2500

XPA4640

2

XPA SERIES INSTALLATION

PreparationPlease read entire manual before installation. Due to the technical nature of amplifiers, it is highly recommended that your DUAL amplifier is installed by a professional installer or an authorized dealer.

Before You Start•Disconnectnegativebatteryterminal.(consultaqualifiedtechnicianforinstructions)•Avoidinstallingtheamplifierwhereitwouldbesubjecttohightemperatures,suchasfromdirectsunlight,orwhereitwouldbesubjecttodust,dirtorexcessivevibration.•Useextremecautionwhendrillingholestoavoiddamagingfuellinesorexistingvehiclewiring.•Allamplifierinstallationsrequirepower,signalandspeakerwires(notincluded).•Anamplifierinstallationkit(soldseparately)ishighlyrecommendedtofacilitatethe

installation. Consult your dealer for recommendations.

Mounting Location•Chooseamountinglocationfortheamplifier.Suggestedlocationsincludeunderaseatorinthetrunk.•Theamplifiercanbemountedhorizontal(recommended)orvertical.Foroptimumperformance,makesuretoprovideatleast1"ofspacetoaroundallsides.Donotmounttheamplifierundercarpetsorwhereairflowisrestricted.•Donotinstalltheamplifierwhereitmaybeexposedtomoisture.•Theoptimummountinglocationvariesbetweenvehicles.Remembertotestall

amplifier functions before completing the final mounting procedure.

TYPICAL MOUNTING METHOD

NOTEBe 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 (+12V)•Disconnectnegativebatteryterminalbeforeproceeding.Consultaqualified

technician for instructions if you are unsure.•Planwireroutingbeforecuttinganywirestolength.Beginbyroutingthepower+12Vwirefromthebatterytotheamplifierlocation.Useagrommetwhenrunningwiresthroughthefirewallormetalopenings.Avoidrunningthepowerwirenearexistingvehiclewiringtopreventinducednoisefromenteringtheaudiosystem.•Useextremecautionwhendrillingholestoavoiddamagingfuellinesorexistingvehiclewiring.•The+12VwireMUSTbefusedwithin18"ofthebatteryforprotectionofthevehicle’s

electrical system.

Ground Wire (GND)•Theamplifiergroundwireshouldbeasshortaspossible.Chooseacleanunpaintedsectionofmetalorthevehiclechassiswhenattachingthegroundconnection.Besure to clean the area of any dirt or grease.

Remote Turn-on Wire (REM)•Theremoteturn-onwireconnectstotheheadunit'samplifierturn-onleadorpowerantennaoutput.

Speaker Wires•Chooseadequategaugespeakerwiredependingonyourexactamplifier/speakercombination.Besuretoobservepolaritywhenconnecting.•Donotgroundanyspeakerwiresorconnectanyspeakerwirestogether.

Input Signal •Theamplifier'sinputsignalconnectstotheheadunit'slowlevel(RCA)orhighlevel(speakerwire)outputs.•Lowlevelinputsignaldeliverthebestperformance.Ifunavailable,usethehighlevelinputs-wheninterfacingwithfactoryheadunitforinstance.

CAUTION •Donotusebothlowandhighlevelinputsatthesametime-connectonlyoneorthe other. •Neverrunanywiresunderneathoroutsidethevehicle.

3

XPA SERIES INSTALLATION

Connection Descriptions

4

XPA SERIES INSTALLATION

Power and Speaker Connections

LEDIndicator

BassBoost

CrossoverModeSwitch

CrossoverFrequency

1

2

3

4

InputLevelControl

HighLevelInputs

LowLevelInputs

InputModeSwitch

5

6

7

8

XPA2500

XPA4640

3 4 5 6 721

1 2 3 4 5 67 7

8

SpeakerConnection(s)

Ground Connection

RemoteConnection

1

2

3

+12VDCBatteryConnection

Fuse(s)

4

5

5

XPA SERIES INSTALLATION

Audio Inputs and Controls

4 3 251

XPA2500

XPA4640

1 2 3 4 5

6

XPA SERIES INSTALLATION

Fuse RatingWhenreplacingfuses,makesurenewfuseis the correct type and amperage. Using an incorrect fuse could damage the amplifier.

XPA250025ampATOx1XPA464025ampATOx2

Power/Ground Wire SizeForoptimumperformance,useonlythewiresizelistedbeloworlarger.Makesuretousethesamesizepowerandgroundwire. XPA250010gaugeXPA46408gauge

Main Power ConnectionsConnect+12V,GNDandREMwiresaccordingly.AsuitablefuseMUSTbeinstalledonthe+12Vleadwithin18"ofthebatteryforprotectionofthevehicle’selectricalsystem.

Typical Wire Routing

7

XPA SERIES INSTALLATION

Amplifier ConnectionsSpeaker ConnectionsConnectspeakerwiresobservingpolarity.Theminimumimpedanceload for the XPA2500 and XPA4640is 2 ohms stereo and 4 ohms bridged.Useofloadslowerthanthese is not recommended and may cause amplifier damage.TheXPA2500andXPA4640canbewiredforstereo,bridgedorstereo/bridgedsimultaneousoperation.

Input Signal Connections

Low Level Input (RCA)Lowlevel(RCA)inputsignalispreferredforbestperformance.Typicaltrunk-mountamplifierinstallationsrequirea17-20footRCAcable.Mosttrucksandunder-seatapplicationsrequirea6-9footRCAcable.UsingtwistedpairconstructionRCAcableswillminimize noise.

High Level Input (Speaker Wire)HighlevelinputsshouldonlybeusedwhenRCAoutputsarenotavailablefromtheheadunit.Connecttheheadunitspeakeroutputstothehighlevelinputconnectorasshownbelow.Theblackwire(signalreferenceground)mayormaynotrequireaconnectiontochassisground-dependingonyour particular installation.

Subwoofer (mono)

Typical Bridged Wiring(4 ohms minimum)

2 Speakers (stereo)

Typical Stereo Wiring(2 ohms minimum)

CAUTION Donotusebothlowandhighlevelinputsatthesametime-connectonlyoneortheother.

XPA2500speakerconnectionsshown

8

XPA SERIES OPERATION

Configuration/SetupTheinputlevelcontrol(gain)isusedtoobtainthebestpossiblematchbetweentheheadunitaudiooutputandtheamplifierinput.Beginbyturningtheinputlevelcontrolfullycounterclockwise.Next,turnuptheheadunitvolumecontrolaround3/4ofthewayup.Adjusttheinputlevelcontrolclockwiseuntilaudibledistortionisheard,thenslightlycounterclockwisetoprovidethebestmatch.Repeatforallinputlevelcontrols. Select2 CHmodeiftheheadunitonlyhas1pairofRCAoutputs.PlugtheRCA’sfromtheheadunitintochannels1/2or3/4.All4amplifierinputswillreceiveasignal.NOTE:Thereisnofaderfunctionwhenusing2 CH mode.

Select4 CHmodeiftheheadunithas2pairsofRCAoutputs.PlugtheRCA’sfromtheheadunitintochannels1/2and3/4.

Thecrossoverisusedtofilteroutfrequenciesaboveorbelowacertainpoint.ChooseLPFwhenusingtheamplifierwithsubwoofers,HPFwhenusingwithmidrange/tweetercombinations and FULLwhenusingwithcoaxial-typespeakers.

NOTE Choose FULLwhenusingtheamplifierinstereo/bridgedsimultaneousmode.Inthismode,passivecrossoversarerequired.Failuretousethecorrectpassivecomponentsmaydamagetheamplifierand/orspeakers.Consultaqualifiedprofessionalforrecommendations.

Thiscontrolallowspreciseadjustmentofthecrossoverfrequency.

Thiscontrolprovidesadditionalboost@45Hzwhenusedwithsubwoofers.Adjustthiscontrolwithcaution-asimproperusecandamagespeakers!

TheLEDindicatorilluminatesgreenduringnormaloperation(POWER)andredwhentheamplifierdetectsafault(PROTECT).

Input level Control

Input Mode Switch(XPA4640)

Crossover  Mode(XPA2500 & XPA4640)

Crossover Frequency Control

Bass Boost

LED Indicator

9

XPA SERIES WARRANTY

Limited One-Year Warranty Thiswarrantygivesyouspecificlegalrights.Youmayalsohaveotherrightswhichvaryfromstate to state.

DualElectronicsCorp.warrantsthisproducttothe original purchaser to be free from defects in materialandworkmanshipforaperiodofoneyear from the date of the original purchase.

Dual Electronics Corp. agrees, at our option, duringthewarrantyperiod,torepairanydefectinmaterialorworkmanshiportofurnishanequalnew,renewedorcomparableproduct(whicheverisdeemednecessary)inexchangewithoutcharges,subjecttoverificationofthedefect or malfunction and proof of the date of purchase.Subsequentreplacementproductsarewarrantedforthebalanceoftheoriginalwarrantyperiod.

Who is covered? Thiswarrantyisextendedtothe original retail purchaser for products purchasedandusedintheU.S.A.

What is covered? Thiswarrantycoversalldefectsinmaterialandworkmanshipinthisproduct.Thefollowingarenotcovered: installation/removalcosts,damageresultingfrom accident, misuse, abuse, neglect, product modification, improper installation, incorrect linevoltage,unauthorizedrepairorfailuretofollowinstructionssuppliedwiththeproduct,or damage occurring during return shipment of the product.

What to do?1.Beforeyoucallforservice,checkthetroubleshootingguideinyourowner’smanual.Aslightadjustmentofanycustomcontrolsmaysaveyouaservicecall.

2.Ifyourequireserviceduringthewarrantyperiod,youmustcarefullypacktheproduct(preferablyintheoriginalpackage)andshipitbyprepaidtransportationwithacopyoftheoriginal receipt from the retailer to an authorizedservicecenter.

3.Pleasedescribeyourprobleminwritingandincludeyourname,areturnUPSshippingaddress(P.O.Boxnotacceptable),anda daytimephonenumberwithyourshipment.

4.Formoreinformationandforthelocationofthenearestauthorizedservicecenterpleasecontactusbyoneofthefollowingmethods:

•Callustoll-freeat1-866-382-5476•E-mailusatcs@dualav.com

ExclusionofCertainDamages:Thiswarrantyisexclusiveandinlieuofanyandallotherwarranties,expressedorimplied,includingwithoutlimitationtheimpliedwarrantiesofmerchantability and fitness for a particular purpose and any obligation, liability, right, claimorremedyincontractortort,whetheror not arising from the company’s negligence, actualorimputed.Nopersonorrepresentativeis authorized to assume for the company any otherliabilityinconnectionwiththesaleofthisproduct.Innoeventshallthecompanybeliableforindirect,incidentalorconsequentialdamages.

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XPA SERIES OPERATION

Specifications CEA-2006PowerStandardSpecifications

(reference: 14.4VDC, 20Hz~20kHz)

PowerOutput:50 Watts RMS x 2 channels at 4 ohms and < 1% THD+NSignaltonoiseratio:75dBA (reference: 1 watt into 4 ohms)Additionalpoweroutput:  75 Watts RMS x 2 channels at 2 ohms and < 1% THD+N  150 Watts RMS x 1 channel at 4 ohms (bridged) and < 1% THD+NDynamicpower:300 Watts at 4 ohmsFrequencyresponse:20Hz~20kHz (-3dB)Maximuminputsignal:6VMinimuminputsignal:200mVSpeakeroutputimpedance: 2~8 ohms (stereo), 4~8 ohms (bridged)Bassboost:0~12dB @ 45HzCrossoverrange:50~500Hz, 12dB/octavePowersupply: 11-16 VDC, negative groundFuse: 25 amp ATOAmplifierdimensions:8.9" x 2.13" x 9.17" (WxHxD)  (226 x 54 x 233 mm)Typicalinstallationdimensions: 11.5" x 3.25" x 9.17" (WxHxD)  (292 x 83 x 233 mm)

CEA-2006PowerStandardSpecifications(reference: 14.4VDC, 20Hz~20kHz)

PowerOutput:50 Watts RMS x 4 channels at 4 ohms and < 1% THD+NSignaltonoiseratio:72dBA (reference: 1 watt into 4 ohms)Additionalpoweroutput:  75 Watts RMS x 4 channels at 2 ohms and < 1% THD+N  150 Watts RMS x 2 channels at 4 ohms (bridged) and < 1% THD+NDynamicpower:600 Watts at 4 ohmsFrequencyresponse:20Hz~20kHz (-3dB)Maximuminputsignal:6VMinimuminputsignal:200mVSpeakeroutputimpedance: 2~8 ohms (stereo), 4~8 ohms (bridged)Bassboost:0~12dB @ 45HzCrossoverrange:50~500Hz, 12dB/octavePowersupply: 11-16 VDC, negative groundFuse: 25 amp ATO x 2Amplifierdimensions:13.69" x 2.13" x 9.17" (WxHxD)  (348 x 54 x 233 mm)Typicalinstallationdimensions: 16" x 3.25" x 9.17" (WxHxD)  (406 x 83 x 233 mm) 

XPA2500

XPA4640

11

XPA SERIES OPERATION

Notes

Dual Electronics Corp.TollFree:1-866-382-5476

www.dualav.com©2008DualElectronicsCorp.

NSA0608-V01

XPA SERIES OPERATION

Troubleshooting

Problem Cause ActionUnit will not turn on

(no power LED indicator)+12VwirenotconnectedorincorrectvoltageREMwirenotconnectedorincorrectvoltage

Checkconnectionsforpropervoltage(11~16VDC)

GNDwirenotconnected Checkconnectiontoground

Fuse(s)blown Replacefuse(s)

Unit has power - LED is green (but no sound)

Speakerwiresnotconnected Checkconnectionsatspeakers

Volumeturnedallthewaydown Increasevolumelevelatheadunit

Oneormorespeakerwirestouchingeachother or touching chassis ground

Insulateallbarespeakerwiresfromeachother and chassis ground

Speaker(s)defectiveordamaged Check/replacespeaker(s)

Inputsignalnotconnected Checkhighorlowlevelinputsforproperconnection

Unit blows fuse(s) Incorrectfuserating Usefuse(s)withcorrectrating

+12Vwiretouchingchassisground Checkforpinchedwire

Speaker(s)defectiveordamaged Check/replacespeaker(s)

Engine noise Badgroundconnection Makesureamplifierisgroundedtocleanbare metal

SignalgroundlooporRFI(radiofrequencyinterference)

Re-routeRCAcablesfromexistinghighcurrentwiring

LED illuminates red(protect mode)

Oneormorespeakerwirestouchingeachother or touching chassis ground

Insulateallbarespeakerwiresfromeachother and chassis ground

Speaker(s)defectiveordamagedinternally(shorted)

Check/replacespeaker(s)

Speakerloadlessthan2ohms(stereo)Speakerloadlessthan4ohms(bridged)

Adjustspeakerload-amplifierwillnotoperateatlessthan4ohmswhenbridged

Distorted audio output Incorrectinputsignaltypeorinputleveltoohigh

Checkconnectionsandreduce/adjustinputlevel

Low audio output Incorrectinputsignaltypeorinputleveltoolow

Checkconnectionsandincrease/adjustinputlevel

Weak bass Speaker(s)arewiredoutofphase Check(+)and(-)speakerconnections(Observecorrectpolarity)