Bluetooth solution: BP1048B2 (mountain view)Bluetooth version: VER.5.0Support Bluetooth protocol: A2DP/AVRCP/HFP/HSP/OPP/HID/SPP/PBAP/GATT/SMPower: 30W*2, Subwoofer: 50WEffective distance: 10MFrequency response: 60Hz~20KHzYang sound unit: speaker 58mm square 4 ohms 30 watts X2pcsReceive sensitivity: -58dBAudio SNR≥90dBPower supply: external adapter (input: AC100V~240V; output: DC18V? 2.5A)Active Passive: ActiveSize: 986mm*73mm*70mm (L*W*H) + subwoofer L400mm*W120*H290Included Accessories Instruction Manual