KOHLER K-99696-NA DTV with Amplifier Module Audio amplifier with Bluetooth connectivity for wireless streaming of audio input Designed for use with the DTV+ showering system but can also be used as a standalone Bluetooth-enabled amplifier Connects with up to four KOHLER SoundTile water-resistant speakers (or any standard 4 or 8 ohm speakers) User-definable device name and PIN code option when used with DTV+ digital system Two 3.5mm input jacks for wired audio input and one 3.5mm stereo output jack