Edifier R2000DB Powered Bluetooth Bookshelf Speakers

Active bookshelf speaker system with 120W total power output.
Bluetooth 4.1, Optical / Coaxial input and Dual RCA input
B- amplifing system with Built-in DSP electronical cross over
100% MDF wooden enclosures to minimize acoustic resonance.
Bass, treble and master volume dials on the back panel (with wireless remote)