R1700BT Multifunctional speakers for your everyday needsThe R1700BT is a powerful studio speaker set with an edgy design. It produces 66W RMS from the 4 inch bass driver and 19mm tweeter driver in each speaker. A front facing bass refex port emphasizes lower frequencies, allowing for richer bass performance. The R1700BT incorporates Digital Signal Processing (DSP) and Dynamic Range Control (DRC) to prevent distortion levels even at the highest volumes,producing crisp, clean audio.Features Active bookshelf speaker system Bluetooth pairing capability for music playback Dual RCA inputs for connectivity to multiple audio sources Class D amplifer system with Digital Signal Processing (DSP) and Dynamic Range Control (DRC) 100% MDF wooden enclosures to minimize acoustic resonance Universal 100V-240V power supplySpecificationsPower Output : RMS 15W x 2 + 18W x 2 (DRC on)Signal to noise ratio : =85dBAFrequency response : 60Hz 20KHz (@+/-6db)Input sensitivity : PC:70050mV,AUX:55050mVInput type : PC, Auxilliary Bass driver : 4 inch (119mm), 6OTreble driver : F19mm, Silk dome tweeter, 6OEAN code : 6923520265855 (Black)