12 AH Battery – FM Stereo Radio – USB/SD Card Input – Recording Function Remote Control – Microphone Input – 2 Wireless Microphone – Guitar Input Speaker : 15” Woofer + 6.5” Midrange + 1.5” Tweeter – Sensitivity: 93dB ± 9dB – Voltage: 110V~220V DC 12 V – Frekuensi: 50Hz/60Hz – Impedance: 4Ω