THANK YOU for choosing a JBL® GT ® Series subwoofer tube. Thisproduct has been designed to deliver great bass performance from acompact, easily installed subwoofer tube. To get the best performancefrom your subwoofer tube, it is strongly recommended that installationbe entrusted to a qualified professional. Although these instructionsexplain how to install your product in a general sense, they do not showspecific installation methods that may be required for your particularvehicle. If you do not have the necessary tools or experience, do notattempt the installation yourself. Instead, please ask your authorizedJBL car audio dealer about professional installation. In order that youmay be better served should you require warranty service, please retainyour original sales receipt and serial number.GENERAL CAREDo not use any cleaners or solvents on the speaker cone.INSTALLATION WARNINGS AND TIPSWARNING: Playing loud music in an automobile can permanentlydamage your hearing as well as hinder your ability to hear traffic.Listening at low levels while driving is recommended. HARMAN acceptsno liability for hearing loss, bodily injury or property damage resultingfrom use or misuse of this product.INSTALLATION TIPSAlways wear protective eyewear when using tools.•Turn off all audio components and other electrical devices before you•start. Disconnect the negative (–) lead from your vehicle’s battery.Check clearances on both sides of a planned mounting surface. Be•sure that screws or wires will not puncture brake lines, fuel lines orwiring harnesses, and that wire routing will not interfere with the safeoperation of the vehicle.When making electrical connections, make sure they are secure and•properly insulated.Before drilling or cutting holes, use a utility knife to remove unwanted•fabric or vinyl to keep it from snagging in a drill bit or saw.Do not mount speakers where they will get wet.•CHOOSING A MOUNTING LOCATION FOR THE SUBWOOFER TUBEChoose a mounting location that doesn’t interfere with cargo, the fold-down rear seat or the trunk lid. The best location is usually a corner ofthe trunk or cargo area.