Edifier R12U USB Compact 2.0 Multimedia Speakers System (Red) - 3.5mm AUX/USB/Ideal for Desktop,Laptop,Tablet or Phone

Edifier R12U USB Compact 2.0 Multimedia Speakers System (Red) - 3.5mm AUX/USB/Ideal for Desktop,Laptop,Tablet or Phone Features • Active USB powered speakers • Bass Re?ex Port • Master volume with built-in power switch • 3.5mm auxiliary input • Headphones jack Speci?cations Total power output : RMS 2W × 2 (THD+N=10%, f0=1 KHz) Signal to noise ratio : ?85 dBA THD (Total harmonic distortion) : ? 0.5% Frequency response : 30Hz ~ 20 KHz (+/-5db) Input sensitivity : 700 mV±50 mV Input type : AUX Speaker driver : 2 1/4 inch (60mm)