Best for Bass LoversSpecification: 1.Not Available: Bluetooth, Usb, Sd, Fm Mic 2.Codec:SBC 4.Maximum power: 120W 5.Impedance: 4 (?) 6.Loudspeaker unit: 133(mm) 7.Sensitivity: 200 hv 8.Frequency response range: 20Hz-20Khz9.with AUX in10.Support for treble output11.Power Supply 12V