for installation in bathtubs both with and without a whirlpool system The bathtub acts as a quality sound-emitting body, providing a warm, high-quality tone. Features: can be assembled in every bathtub (except Eko, Azur and Pure) sound system can be operated with and without water can be operated via all Bluetooth-compatible devices (e.g. smartphones) Sound system is fully pre-assembled, ready to connect Facilities: wireless connection of up to 8 end devices automatic connection after initial activation 2x 20W integrated loudspeakers, Bluetooth control unit voltage 230 V / frequency 50 Hz total capacity max. 50 W