Ceiling speakers with multiroom (2 zone) Bluetooth amplifier, ideal for playing music in more than one room, each with its own dedicated volume control. Easy to install and supplied with cable. The ESCS series of Ceiling Speakers from Power Dynamics, providing you with powerful sound reproduction in clean high fidelity for the home or any other interior. The Low Profile keeps them sitting flush recessed, neat and tidy and also making installation simple and quicker than most other typical ceiling mounted loudspeakers. The PV2 is a series of intelligent multi-channel amplifiers equipped with advanced wireless 4.