CMX BT-510C Wireless Bluetooth Speaker 2×10W (one active+ one passive)Package Type: All in one wireless Bluetooth speaker package Speaker System: Wireless speaker system includes one active and one passive speaker Additional Speakers: One active speaker and three passive speakers Speaker Size: Built in 5. 25 full range ceiling speaker with crossover Amp: Highly efficient up to 85% Class D stereo amplifier Bluetooth: With Bluetooth for iPhone, iPad, and any mobile control Input: Aux (3. 5mm) Input Connector Wireless: Use