Power Dynamics NCBT range of ceiling speakers from Power Dynamics provide Bluetooth 5.0 technology, giving you the ability to pair a smart device and stream audio wirelessly from any app or website with a strong signal and extended connection range. A line input is provided on the active speaker in all of these ceiling speaker sets, which allows you to connect your TV or CD player for immersive audio playback in your home. The in-ceiling design keeps any cables hidden behind the wall to blend in perfectly. These Bluetooth ceiling speakers have a coaxial 2-way design with a separate woofer and tweeter driver in each speaker. The individual drivers handle a wide range of frequencies efficiently, resulting in fantastic sound clarity for music, podcasts, films and video games.