Speaker Edifier R19U

Active USB bookshelf speaker Angled speaker positioning to optimize listening experience 2? inch (70mm) mid-range and treble units with dual magnetic circuit design Master volume with built-in power switch USB audio streaming capability and 3.5mm auxiliary input Wooden enclosure to minimize acoustic resonance

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)