Speaker Edifier R1380T Black

100% MDF wooden enclosure to minimize acoustic resonance
Classic acoustic configuration with 1-inch(25mm) tweeter and 4-inch(116mm) mid-bass driver
Built-in Class-D amplifier with 21W+21W RMS power output
Dual RCA inputs for connecting to two devices simultaneously
Side-mounted panel and remote control for easy adjustment
Universal 100V-240V power supply 

Tweeter 1-inch (25mm)
Mid-bass driver 4-inch (116mm)
Power output (RMS) 21W+21W
Frequency response 55Hz-20KHz
Audio inputs Line In 1, Line In 2
Input sensitivity
Line In1: 750±50mV
Line In2: 550±50mV
Signal-noise ratio ?85dB(A)
Noise level 30dB(A)