Neptune don’t specialise in bathtubs, they specialise in a holistic bathing experience. Already known for the luxury a Neptune bathtub provides, the Neptuner adds a whole new aspect of sensual gratification. The Neptuner is an advanced audio technology which uses acoustic transducers to create an invisible surround sound system. The Neptuner sends audio waves through the shell of the bathtub, turning it into a single speaker. The water then enhances the sound, enveloping the user in their favourite music or TV movie. The Neptuner provides a state of the art sound system without the need for speakers throughout the room. have created a revolutionary system which is compatible with the complete Neptune range.