XS Series Subwoofer Installation InstructionsImportant Safety InformationWARNINGSee the Important Safety and Product Information guide in the product box for product warnings and otherimportant information.This device must be installed according to these instructions.Disconnect the vessel's power supply before beginning to install this device.CAUTIONContinuous exposure to sound pressure levels over 100 dBA may cause permanent hearing loss. The volume istypically too loud if you cannot hear people speaking around you. Limit the amount of time you listen at highvolume. If you experience ringing in your ears or muffled speech, stop listening and have your hearing checked.Always wear safety goggles, ear protection, and a dust mask when drilling, cutting, or sanding.NOTICEWhen drilling or cutting, always check what is on the opposite side of the surface.It is strongly recommended that you have your audio system installed by a professional installer to ensureoptimum performance.You must read all installation instructions before beginning the installation. If you experience difficulty duringthe installation, go to support.garmin.com for product support.After installing an audio system, you should run the connected speakers and subwoofers at low to mediumvolumes for the first few hours of use. This helps to improve the overall sound by gradually loosening up themoving components of new speakers and subwoofers, such as the cone, spider, and surround.What's In the Box• 1 subwoofer• 6 Phillips stainless steel, 4.8 mm x 50 mm (10 gauge x 2 in.) mounting screws• Mounting template• GrillesGUID-C13E7DE2-39CD-4536-BC7A-7AD30EE73FD7 v2December 2021