The Garmin JL Audio Controller with Bluetooth makes it simple to integrate your compatible streaming devices with the audio system on your boat or powersport vehicle. Bluetooth wireless connectivity with the Qualcomm aptX HD codec provides outstanding audio fidelity. IPX7 waterproof protection ensures it's ready to take on outdoor life. This compact receiver can hide almost anywhere, allowing easy control from your mobile device. The gauge-hole mounting design installs easily into flat panels, and an included adapter plate allows front-mount applications or where rear access is limited. 2 sets of stereo preamp outputs (4-volt RMS) feed 2 main audio zones plus a dedicated subwoofer output. Independent audio zone level controls with LED color indicators ensure effortless command of your sound system while your streaming device is tucked away. Large backlit controls provide easy operation day or night. It connects directly to an amplifier for use as a standalone source unit or add-on receiver. Mfrs. 2-year limited warranty. Bluetooth wireless connectivity with Qualcomm aptX HD codec for CD-quality sound fidelity IPX7 waterproof protection Gauge-hole mounting design to install easily into flat panels Included adapter plate for front-mount applications or in limited space 2 sets of stereo preamp outputs (4V RMS) to feed 2 main audio zones plus dedicated subwoofer output Large backlit controls Usable as standalone source unit or add-on receiver