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