Bluetooth waterproof ceiling speaker packages are an ideal background music solution for bathrooms, wet rooms and other areas with high humidity. OD-series speakers are IP35 waterproof and easy to fit into ceiling or wall cavities and deliver high quality sound reproduction. IWA amplifiers have an inbuilt Bluetooth receiver and an Aux input (inc. digital optical) and Aux output for connection to other playback equipment. IWA amplifiers also have an internal power supply, meaning they can connect directly to a mains supply and are supplied with speaker cable for easy installation.