.Total Output Power (RMS) 19w x 2 + 16+W X2.Signal to noise Rate 80dB.Bluetooth Version V5.1.Driver Units Mid-Bass 116mm Tweeter 19mm Silk Dome .Audio Inputs Bluetooth, Line In, Optical, Coaxial.Frequency Response: 60 Hz- 20 kHz.Input Sensitivy Line In 1 400 50mV Line In 2 600 50mV Optical 350 50mFFS Coaxial 350 50mFFS Bluetooth 500 50mFFS.Dimensions 155 X 254 X 223mm.Weight: 7.00 Kgs .Made in China