Edifier R1700BT Bluetooth Lifestyle Bookshelf Studio Speakers Brown - BT/Dual 3.5mm AUX/Limited Distortion DSP/DRC/Classic Wood Finish Features • Active bookshelf speaker system • Bluetooth pairing capability for music playback • Dual RCA inputs for connectivity to multiple audio sources • Class D amplifier system with Digital Signal Processing (DSP) and Dynamic Range Control (DRC) • 100% MDF wooden enclosures to minimize acoustic resonance • Universal 100V-240V power supply pecifications Power Output : RMS 15W x 2 + 18W x 2 (DRC on) Signal to noise ratio : ≥85dBA Frequency response : 60Hz ~ 20KHz (@+/-6db) Input sensitivity : PC:700±50mVɼAUX:550±50mV Input type : PC/AUX/Bluetooth Bass driver : 4 inch (116mm), 6 Treble driver : Φ19mm, Silk dome tweeter, 6