Jensen Tools XA2125 User's Manual
Contents
1. sssss 6 Remote Level Control XA2125 7 Speaker Wiring Options 7 Indicators and Controls 9 Crossover X OVER eese 9 Power Protect Light 9 LAVO e Tee EEEN SRECNE aE 9 LLorem 9 Testing 1 eee enean nuns 10 Reconnect Battery n 10 Test Power Wiring ss 10 Test Speaker Connections 10 Troubleshooting 11 Specifications 12 Warranty 1e nennen nnns 13 6236 XA2CH E p65 2 Ka XA2125 XA275 XA250 5 7 01 2 07 PM XA2125 XA275 XA250 Features XA Series 2 channel amplifiers include Easy access top mounted controls Continuously variable high pass low pass crossover e 40Hz 400Hz crossover frequency range Crossover mode selector switch Continuously variable bass boost centered at 45Hz Input level control Remote level control XA2125 Installation e Before You Begin Before you begin you will need tools supplies and adapters It is best to make sure you have everything you need before you start Disconnect Battery Before you begin always X3 disconnect the battery r negative terminal 6236 XA2CH E p65 3 JENSEN Traditional input circuitry low and high level inputs Pre amp output for installation flex2. 6236 XA2CH E p65 6 5 7 01 2 07 PM ENNIUS l i e XA2125 XA275 XA250 JENSEN Remote Level Control XA2125 Remote level control allows the input level to be adjusted from an alternate location It can be mounted under dash or in dash When the amplifier is used to drive subwoofers and the low pass crossover is activated the remote level control can be used as a remote bass level control This enables you to control the bass level independent from the rest of the system This is convenient for system tuning and or when playing many different types of music Speaker Wiring Options 2 Speakers 2 Subwoofers X OVER X OVER LPF LPF Ej FULL or g FULL HPF oa BRIDGE 4 20 20 minimum minimum 6236 XA2CH E p65 7 5 7 01 2 07 PM HEN e JENSEN 2 Speakers Subwoofer X OVER LPF FULL HPF 20 20 minimum 49 40 minimum e Important When running a subwoofer and two full range speakers together Tri mode operation high and low pass filters must be used Failure to install these filters may damage your amp and or speakers Speaker Impedance Ts XA2125 XA275 XA250 Bridged Subwoofer X OVER H
3. iterat gre uere bitin c udo o ad E De 50 Watts per channel RMS 0 5 THD Ahn 75 Watts per channel RMS lt 0 8 THD 4 ohms bridged eee eee cetee eee eeteeeeeeeteeeeeteneeeeeeeaees 150 Watts per channel RMS lt 0 8 THD DIMENSIONS 3 cxtra niter sehen ee Ee edendis 3 x 11 125 x 8 375 76mm x 283mm x 213mm Specifications subject to change without notice 12 6236 XA2CH E p65 12 5 7 01 2 07 PM Boe 2 11 XA2125 XA275 XA250 Ka JENSEN Limited One Year Warranty USA and Canada Length of Warranty This warranty from Recoton Mobile Electronics shall be in effect for a period of one year from the date of the first consumer purchase Persons Protected This warranty will be enforceable by the original owner during the warranty period so long as proof of date of purchase from an authorized Jensen dealer is presented whenever warranty service is required What is Covered Except as otherwise specified below this warranty covers all defects in material and workmanship in this product The following are not covered damage resulting from accident misuse abuse neglect product modification improper installation incorrect line voltage unauthorized repair or failure to follow instructions supplied with the product damage occurring during shipment claims must be presented to the carrier elimination of car static or other electrical interferences any product purchased outside USA o
4. BRIDGE LPF FULL HPF R as minimum e enne 1000uF 800uF 600uF 6236 XA2CH E p65 8 5 7 01 2 07 PM L T XA2125 XA275 XA250 Ka JENSEN Indicators and Controls X OVER LPF FULL HPF Crossover X OVER Adjust the crossover to accommodate your chosen installation method e LPF low pass filter Select this filter when the amplifier will be driving woofers or subwoofers FULL Crossover is not active amplifier is in full range mode HPF high pass filter Select this filter when the amplifier will be driving full range separate speakers and you want to limit the bass going to these speakers Tri mode Three channel operation An amplifier is usually configured for tri mode operation when you want to use one amplifier to drive a pair of front speakers and subwoofer s In other words when you want to drive a complete system with one amp Your Jensen amplifier is capable of tri mode operation Important Tri mode operation requires using passive crossovers These crossovers are available at your local retailer or install shop Failure to install these filters may damage your amplifier and or your speakers 6236 XA2CH_E p65 9 BASS L CH X R CH X LEVEL 9 0 QQ OdB 12dB 40Hz 400Hz 40Hz 400Hz MIN MAX POWER PROTECT O Power
5. ENNIUS i e XA2125 JENSEN Amplifier Installation and Operation XA275 XA250 MOSFET POWER SUPPLY 2 OHM STABLE Introduction Thank you for purchasing a Jensen amplifier The XA series amplifiers offer extreme value and performance Proper installation is essential for optimal performance and long term reliability Please read through this manual first to familiarize yourself with your amplifier and its functions Warranty Service If your Jensen amplifier should ever require service you will need to have the original dated receipt If you ever need to return the unit for any reason always include the receipt with the product Installation Assistance 1 800 323 0221 365 24 7 www jensen com 6236 XA2CH_E p65 1 5 7 01 2 07 PM JENSEN Contents Features 2 ooo oanuuuauuuuuuuuuuuuuusaas O Installation enero u naui raaaa uaa uuu D Before You Begin ssssssss 3 Disconnect Battery s 3 Supplies and Tools Needed 3 Location and Mounting esssse 4 Routing WIreS cien tectae 4 Power nnne 5 Power Terminal 12V sssusss 5 Ground Terminal GND sssss 5 Remote Terminal REM 5 girl 5 Inputs RCA Output Remote Level Control 6 INPUt Wirlng sinirini reet 6 Connecting Other Amps
6. noise Ignition noise static or Alternator whine Power wires hooked up incorrectly Check power wire connections Speakers blown or defective Improper ground connections Ground loop s Check speakers Reroute RCA away from main power wires Reroute RCA cable Make sure amp is grounded to a clean solid part of the chassis frame Protect light comes on amplifier shuts down No output on channels 6236 XA2CH E p65 Amp is in thermal protection Let amp cool down before attempting to turn back on some installations may require a fan to keep the amp cool especially if you are driving subwoofers with the amp Faulty speaker connection and or crossover Check speakers and or crossovers for loose or bad connections Low battery voltage Make sure you are getting between 10 8 15 6 volts to the amplifier with a digital multimeter measured at the amplifier Speaker impedance less than 2 ohms per channel Speaker wires not connected to speakers properly Input hooked up incorrectly 11 If you are using 4 ohm speakers you cannot have more than two speakers wired in parallel per channel Amp will not operate into 2 ohms bridged Refer to pages 6 8 for proper installation 5 7 01 2 07 PM 11 aaa E i e JENSEN XA2125 XA275 XA250 Specifications XA Series 2 Channel Amplifiers Frequency RHespoHse eite tenete beide Mie degna tre ccu dde beer
7. Protect Light POWER PROTECT A dual status LED indicator O illuminates red or green to indicate the status of the amplifier Green Power applied ON Red Protection circuit activated STANDBY The input level control matches the output of your radio to the input of the amplifier After the installation is min max Complete make sure the input level control on the amp is turned down all the way counterclockwise or all the way to the left Play a tape or CD make sure bass and treble settings or EQ are flat too and turn the volume up slowly until you just start to hear distortion Now back the volume down just a bit On the amp slowly turn up the input level control clockwise or to the right until you just start to hear distortion and back it down a bit Now your radio and amplifier levels are matched Bass BASS increases the volume of the bass at 45Hz by up to 6 12 db o o o OdB 12dB OdB 6dB Use very carefully XA2125 XA275 XA250 5 7 01 2 07 PM aaa E i JENSEN Testing XA2125 XA275 XA250 Before you finish the installation you should do the following tests to make sure the wiring is correct and everything is operating properly Reconnect Battery When wiring is complete reconnect the battery negative terminal Test Power Wiring Turn on the receiver but do not turn up the volume The amplifier power light should come on If not check the REM and 12V wires Turn up the re
8. To Receiver Power Antenna Lead Fuses Use only blade type fuses Fuse XA2125 30AMP x2 XA275 30 AMP x 1 XA250 25 AMP x 1 5 7 01 2 07 PM EBENEN e JENSEN XA2125 XA275 XA250 Inputs RCA Output Remote Level Control REMOTE HI LEVEL OUTPUT BASS amp qo i IJI Tm UU E R LOW INPUT HI INPUT ades Input Wiring Low Level Input RCA Input Low level RCA input is preferred for best performance Most trunk hatchback installations will require a 15 20 foot RCA cable While pick up trucks and under seat mounting will require a 6 10 foot RCA cable Connect an RCA cable from your receiver to the RCA input on your amplifier as necessary High Level Input High level input should be used when an RCA output is not available from the receiver Connect the speaker outputs from the receiver pu HERE to the high level input connector Oo O9 White Left White Black Lok O Low Level or Hi Level Gray Right Gray Black Right Black ground Important Only connect the low RCA or high level input Do not use both at the same time Connecting other Amps sl RCA Output The output signal allows you to X conveniently connect other amplifiers to each other
9. al or consequential damages so the above limitations and exclusions may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state and province to province JENSEN Recoton Mobile Electronics A Division of Recoton Audio Corporation A RECOTON COMPANY 1090 Emma Oaks Trail Lake Mary Florida 32746 2001 Recoton Audio Corporation 6236 XA2CH E p65 13 5 7 01 2 07 PM
10. aues uu cn 20 Hz 20 kHz 0 5 dB Signal to Noise Ratio Rated Power iissa oa aidaa 2100 dB Channel Separation Ref Power ssssssssssssssseseeeeneeneeeee enne gt 65 dB 1 kHz THD amp IMD Ref Power into 2 ohms irriaren aeii i tenaa aar aa nnne nnn 0 8976 Speaker Impedance 5 retinendi Leid La aa Rove Ba E sede ERE Yu ED ge cca RR a a aa 2 8 ohms INPUUIIMPCOSNCE E 47 k ohms Bass Boost Center Frequency ieiunii erfreut ienen Det otc ae reete dn 45Hz CIOSSOVGI a sette tei dee op n e e bad dap ceste nae eed ted potis a teure uve ated 12 dB octave Butterworth Power Requirement ccceesseeeeeeeseeeeeeseeeeeeeesaeeeeeesaaeeeteneneees 14 4 VDC 10 8 15 6 VDC allowable XA2125 Power output 14 4 VDC 20 20 kHz AONMS c c 125 Watts per channel RMS lt 0 5 THD 2sONIMS ieee ts eee aaah eee te ae 175 Watts per channel RMS lt 0 8 THD 4 ohms bridged 2 cerei ibit 350 Watts per channel RMS lt 0 8 THD DIMENSIONS E alie 3 x 11 125 x 10 76mm x 283mm x 254mm XA275 Power output 14 4 VDC 20 20 kHz 4 OhImS soio iaonank tene d get eue eate a oet ee ot dicen Ree ds 75 Watts per channel RMS lt 0 5 THD 2 ONMS enc 100 Watts per channel RMS lt 0 8 THD AONMS bridged enti hanes tals 200 Watts per channel RMS lt 0 8 THD DIMENSIONS eerte iere cede oninia 3 x 11 125 x 8 375 76mm x 283mm x 213mm XA250 Power output 14 4 VDC 20 20 kHz 4 ONMS 2
11. ceiver volume slightly All speakers should operate If not check wiring connections at amplifier and speakers 10 6236 XA2CH_E p65 10 Test Speaker Connections These tests make sure the speakers are connected right If speakers don t play at all one or both speaker wires may be disconnected If the wrong speaker plays you hear left speaker when you expect right Speaker make sure you connected the wires correctly 5 7 01 2 07 PM XA2125 XA275 XA250 Troubleshooting Problem Amplifier does not operate power LED not on when vehicle and radio are on Possible Cause No power to 12V terminal Corrective Action Repair wire or connections 2 JENSEN No power to remote wire with radio on Check connections to radio with test light Fuse blown Check fuse Radio volume needs to be turned up too high for amp to work Radio volume is too sensitive Sound from only one speaker Input level control adjusted too low Input level control adjusted too high Defective speaker Adjust input level control Adjust input level control to lower setting Replace speaker Poor connections to speaker wire Check connections RCA input cable defective Replace cable Input level control adjusted too high Adjust input level control Sound distorted Speaker wires shorting together Separate speaker wires and insulate Blows fuses Engine
12. ibility Dual status LED diagnostic indicator Thermal short circuit and low impedance protection circuitry e PWM MOSFET power supply Discrete amplifier design with complementary high current Bi polar output stage Supplies and Tools Needed Supplies Black electrical tape Amplifier Installation Kit Tools Cordless drill with assortment of bits Flat and Phillips screwdrivers Wire cutters strippers Crimping tool 12 volt test light or digital multimeter Wire brush sandpaper or scraping tool ground connection to vehicle should be a clean unpainted metal surface 5 7 01 2 07 PM O T T JENSEN XA2125 XA275 XA250 Location and Mounting Routing Wires The XA amplifiers compact design allows greater flexibility in mounting It can be Battery mounted under a seat or in the trunk Connector When selecting a location remember that Fuse or amplifiers generate heat Select a location Circuit where air can circulate around the amplifier EN Grommet Do not cover the amplifier with carpets or che enclose it behind interior trim panels Do not power wire mount the amplifier in an inverted or upside down configuration Every installation will be a bit different based upon vehicle design HCA Cables Power Antenna Power Wire Check all locations and placements carefully Turn on Wire 8 gauge before making any cuts or connections 18 gauge wire larger Important Allow air circulation aro
13. r Canada or on which the serial number has been defaced modified or removed How You Can Get Service U S Purchasers Please telephone Jensen at 1 800 323 4815 We will either inform you of the name and address of an authorized Jensen repair station which will service the product or will advise you to send the product to a factory service center Canadian Purchasers The product should be returned to the Jensen dealer from whom it was purchased and such dealer either will service or arrange for service of the product If shipment of the product is required it should be packed securely The original dated bill of sale must always be included with the product as proof of warranty coverage What We Will Pay For We will pay for all labor and material expenses required to repair the product but you must pay any labor costs for the removal and or installation of the product If the product is shipped for warranty Service you must prepay the initial shipping charges but Jensen will pay the return shipping charges if the product is returned to an address inside the USA or Canada Exclusion of Certain Damages Jensen s liability is limited to the repair or replacement at our option of any defective product and shall not include incidental or consequential economic damages of any kind Some states and or provinces do not allow limitations on how long an implied warranty lasts and or do not allow the exclusion or limitation of incident
14. und the amplifier Ground Screw Drill 1 8 hole in chassis sheet metal Use the same ground if using multiple amplifiers Important If wiring connections are made wrong the unit will not operate properly and it could be damaged Follow the installation instructions carefully or have the installation handled by an experienced technician 6236 XA2CH E p65 4 5 7 01 2 07 PM HEN e XA2125 XA275 XA250 m m Wiring Power JENSEN GND REM 12V Connect directly to the vehicle battery terminal with 8 gauge wire minimum Fuse XA2125 60 AMP XA275 30 AMP 25 AMP Connector Fuse or Circuit Breaker e E Wire Wire To Battery Install as close to the battery Terminal as possible Terminal Adapter Ground Terminal GND Connect to a good chassis ground The ground connection should be to clean unpainted metal to provide a good electrical connection GND Cuy Cu Cu CA zal ip zal dp za oa Spade Connector Sheet Metal Screw Drill 1 8 hole in chassis sheet metal 6236 XA2CH E p65 5 Remote Terminal REM Connect the power antenna amplifier turn on lead from the receiver to the AMPLIFIER REMOTE terminal REM CA c3 LA zc LA ca SS f e aal Spade Connector N Wa
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