The DTV+ system controller acts as the wiring center and brain for the DTV+ showering system, providing connections for every component and powering the digital interfaces. Every DTV+ system, at a minimum, requires one K-99693 interface, a K-99694 mounting bracket, and this system controller - beyond that, everything is customizable. Audio amplifier with Bluetooth connectivity for wireless streaming of audio input Reads your music or audio selections from any Bluetooth®-enabled device Designed for use with the DTV+ showering system but can also be used as a standalone Bluetooth-enabled amplifier Connects with up to 4 KOHLER SoundTile water-resistant speakers (or any standard 4 or 8 ohm speakers) Standby mode User-definable device name and PIN code option when used with DTV+ digital system Two 3.5mm input jacks for wired audio input One 3.5mm stereo output jack The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG, Inc and any use of such marks by Kohler company is under license, other trademarks and trade names are those of their respective owners