Speaker Edifier R19U

Total power output:RMS 2W ? 2 (THD+N=10%, f0=1 KHz)
Signal to noise ratio:?80 dBA
THD – Total Harmonic Distortion:? 0.5%
Frequency response:150Hz ~ 20 KHz (+/-5db)
Input sensitivity:USB: 650 mFS±50 mFS AUX: 500 mV±50 mV
Input Type:USB audio/AUX
Speaker unit: 2? inch (70mm)