Power output:        2 x 20 Watts RMS
Tweeter:                 2X1” silk dome
Woofer:                 2X4” paper cone
Nominal Impedance:       4 Ohm
Sensitivity:               2.83v (1W/1m) 85 dB
Input sensitivity:          550 mV
Total Harmonic Distortion:  < 0.3%
Frequency Response:      60 – 20,000 Hz
Amplifer:                Class D digital
Wireless technology:    bluetooth CSR
Inputs:                  2 x Optical, 1 x RCA, 1 x 3.5 mm jack,
Outputs:                 1 x Subwoofer
USB Port for charging only:  5 V 1A
Input Voltage, Frequency:   AC 100 V - 240 V 50/60 Hz (auto switching)
Standby Power Consumption:< 0.5 W
Dimensions (WxHxD):     132 x 210 x 197 mm (each speaker)
Weight (Passive):          2.4 kg