Output power: 25w+25w Drive unit: 5.5''x2+1.5''x2 Frequency response: 20HZ-18KHAZ OHM: 4 Power supply: AC 220V-240V 50/60HZ

subwoofer speaker,audio system ,protable speaker,trolly speaker, rechargeable speaker,with handle,12V/7AH battery built-in ,wireless microphone

active usb sd fm portable woofer trolly system rechargeable speaker audio speaker