Woofer: 15" woofer
Tweeter: 24 mm
Frequency response(-10dB): 50Hz--16KHz
Sensitivity: 89dB
Impedance: 4 ohm
Power: 60W
Input Voltage: AC100-240V,50/60 Hz or DC 12V or Rechargeable Battery 12V, 4500mA

K1215-AC
Function: With MP3, FM, Bluetooth, USB, SD Card Input,
MP3 Remote, LED,
2 VHF wireless microphone

K1215-AC-EQ
Function: With MP3, FM, Bluetooth, USB, SD Card Input,
MP3 Remote, LED Display, EQ
2 VHF wireless microphone