JL Audio 450/4V2 Limited Warranty Amplifiers USA, If you need service on your JL Audio product

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LIMITED WARRANTY - AMPLIFIERS (USA)

+-"6%*0XBSSBOUTUIJTQSPEVDUUPCFGSFFPGEFGFDUTJONBUFSJBMTBOEXPSLNBOTIJQGPSBQFSJPEPGninety (90) days from the original date of purchase. The warranty term is extended to two (2) years if JOTUBMMBUJPOJTQFSGPSNFEPSBQQSPWFECZBOBVUIPSJ[FE+-"6%*0EFBMFSQSPPGPGJOTUBMMBUJPOPSBQQSPWBM required on purchase receipt).

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accident, misuse, abuse, product modification or neglect, failure to follow installation instructions,

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or consequential damages and does not cover the cost of removing or reinstalling the unit(s). Cosmetic damage due to accident or normal wear and tear is not covered under warranty.

Warranty is void if the product’s serial number has been removed or defaced.

Any applicable implied warranties are limited in duration to the period of the express warranty as provided herein beginning with the date of the original purchase at retail, and no warranties, whether express or implied, shall apply to this product thereafter. Some states do not allow limitations on implied warranties, therefore these 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.

If you need service on your JL AUDIO product:

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Warranty expiration on products returned without proof of purchase will be determined from the manufacturing date code. Coverage may be invalidated as this date is previous to purchase date. Non- defective items received will be returned freight-collect. Customer is responsible for shipping charges and

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For Service Information in the U.S.A. please call

JL Audio Customer Service: (954) 443-1100

9:00 AM – 5:30 PM (Eastern Time Zone)

JL Audio, Inc

10369 North Commerce Pkwy.

Miramar, FL 33025

(do not send product for repair to this address)

International Warranties:

Products purchased outside the United States of America are covered only

by that country’s distributor and not by JL Audio, Inc.

Absolute Symmetry™ Class A/B Amplifier Circuit is covered by U.S. Patent #6,294,959 and is pending in the countries listed below. Austria, Belgium, Brazil, Canada, China, France, Germany, Indonesia, Italy, Japan, Republic of Korea, Mexico, Netherlands, Norway, Russian Federation, Singapore, Sweden, Switzerland, United Kingdom, and all other PCT countries.

450/4v2MAN-CH-03-2007

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Contents Four-channel system amplifier Planning Your Installation Installation ApplicationsProtect Your Hearing Serial NumberProduct Description Typical Installation SequenceJL Audio 450/4v2 is a four-channel system As we said, it’s very flexibleFuse Requirements Power ConnectionsCH 1&2 Filter Section Crossover ControlsSpeaker Outputs Preamp Output SectionJL Audio Technical Support Status Indicator Lights Servicing Your JL Audio AmplifierProtection Circuitry Bi-Amplified System with one 450/4v2 System ConfigurationsBI-AMPLIFIED Systems Fade HF Front to Rear with Non-Fading Subwoofer Level Cannot be used in this modeICH 1&2 Filter Sectionw4FMFDUix1wPOUIF Input SectionwBOETFMFDUix1wPOUIFiFreqJL Audio 500/1v2 or 1000/1v2 recommended JOQVUTPGUIFW TFMFDUi4chwPOUIFTRI-AMPLIFIED Systems W 4FMFDUi1&2wPOUIFiSignal FromwTXJUDIJOUIFiPreamp Output Sectionw  GJYFECZUIFWTiInput Sens.wTFUUJOHTAppendix B Appendix aHow do I properly set the input sensitivity on my amplifier Appendix C Trouble ShootingMy amplifier doesn’t turn on Leading cause of misdiagnosed amplifier failuresAppendix D CH 1 & 2 Speaker Outputs Installation NotesPage If you need service on your JL Audio product Limited Warranty Amplifiers USAJL Audio, Inc International Warranties