Integrated stereo speaker designed for desktop use Wooden enclosure minimizes acoustic resonance Bluetooth V5.0 technology ensures stable connection 3/4-inch (Φ19mm) silk treble unit and 4-inch(116mm) mid-bass unit provide accurate response Versatile connectivity: AUX, Line in, Bluetooth Analog line out function Theater/music sound stage selection Top-mounted volume control and wireless remote control for easy adjustment Front-facing reflex port designed for wider soundstagesBluetooth version V5.0 Audio codecs SBC Power output (RMS) R/L (tweeter): 15W+15W R/L (mid-bass driver): 20W+20W Frequency response 54Hz-20kHz Audio inputs AUX, Line in, Bluetooth Audio output Line out Input sensitivity AUX: 500±50mV; Line in: 700±50mV; Bluetooth: 450±50mFFs Signal-noise ratio R/L: 85dB(A) Noise level 25dB(A)