Output power: 30w+30w Drive unit: 6.5''+2'' 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,LED light,the latest design usb sd fm portable speaker trolly speaker audio equipment