A4 Tech AU-100 USB Speaker
- Power output RMS 2.5WX2(THD=10%) - Signal-to-Noise Radio(Amplifier):>=70dBA - Sensitivity:87dB - Connector type:USB - Frequency Response:80Hz-20KHz - Speaker driver:2 inch(52mm),magnetically Shielded,4 ohm. - Power required:By USB connection DC,+5V - Dimensions: 6.8(W) X 12 (H) X 4(D) cm - Weight:approx 0.5 kg