Speaker I-Ball (Sound Wave)

Interface - Stereo with USB Power
Speaker Driver Unit - 2” Speaker driver
Frequency Response - 90Hz - 20kHz
Output RMS Power - 4W RMS max. 
Impedance - 4 Ohms
S/N Ratio - ≥60dB
Separation - ≥65dB
Distortion - 0.3% 1 W 1kHz
Dimensions - 7.5(W) x 9(H) x 7(D) cm