PURE ACOUSTICS HIPBOX GTX-12 Portable Music Hipbox Two 1.5" Full Range Drivers Freq Resp: 100 Hz20 Khz Signal-To-Noise Ratio: 70 Db Sensitivity: 600 100Mv Connect Any Audio Source Such As Mp3 Players, Smartphones, Laptops, Ipads(R), Iphones(R), Ipods(R), Usb Drives & Sd(Tm) Cards 175-watt integrated amplifier 12-inch active subwoofer Adjustable 35-150Hz frequency response Volume control 15.7 x 15.7 x 15.7 inches