Maxmeen 4 ceiling speaker system, Bluetooth, 20W power, rich surround sound MG-166-4-6BT with a compact design and outstanding performance Home audio systems ✅ Offices and meeting rooms ✅ Cafes and upscale restaurants ✅ Clinics and waiting rooms ✅ Ceiling mounting hole size: 200 mm Suitable for large and small spaces Wireless operation without cable clutter Ideal for listening to music, podcasts, or even audio conferences Design resistant to daily factors to ensure a long lifespan