R1010BT active bookshelf speakers Bluetooth

Edifier R1010BT Bluetooth bookshelf speakers are engineered to deliver commanding sound with subtlety and details. They feature the 4" ceramic-paper cone drivers for powerful bass and 3/4" silk-diaphragm tweeter drivers for smooth, articulate sound. They have a sleek exterior with a classic wood grain black vinyl. The enclosures are made with 15mm thick MDF to damp out unwanted, extraneous energy and vibration.

Premium style. Vinyl on MDF. Removable cloth grilles. 
Active speaker with built-in 12W per channel amplifier 
Connect two Bluetooth devices at the same time 
2x stereo RCA inputs for direct line input connection 
Speaker wire only for connecting the speakers together 
Rear panel Volume and Bass boost controls 
106mm woofer + 13mm Dome Tweeter for full audio sound 
Well built MDF cabinets 150x160x230mm. Direct to 240Vac

Total Power Output: R/L: 12W+12W 
Signal to noise ratio: ≥85dB(A) 
Frequency response: 70Hz-20KHz 
Input sensitivity: 
Line in A: 700mV±50mV 
Line in B: 500mV±50mV 
Bluetooth: 400mV±50mFFS 
Input type: RCA (x2) 
Bass driver: 4 inch (106mm) 
Treble driver: Φ13 mm