Speaker Edifier R2750DB

3-way powered bookshelf speakers
Bluetooth V4.1 with CSR technology
Sub-out for an independent subwoofer
Calibrated bass reflect port in front of the speaker cabinet
F5 pin bi-amplifying XLR type speaker cable with angle connectors 3
Class D amplifier system with Digital Signal Processing and electronic tone control technology
Power output : R/L (Treble): 14W+14W
R/L (Mid-range): 14W+14W
R/L (Bass): 40W+40W
Frequency response : 45Hz-20KHz
Input : Line in/Optical/Coaxial/Bluetooth
Bass unit : 6½ inch (178mm)
Mid-range unit : 4 inch (116mm)
Treble unit : inch (19mm) NdFeB
Length (cm): 54.9
Width (cm): 38.5
Height (cm): 47.0
Net Weight (kg): 18.00
Gross Weight (kg): 19.50
Pieces per box: 1