Quality sound within reach, EDIFIER do it again with this incredibly versatile, great value yet powerful 2.1 system. Guaranteed to overdeliver on anyone's expectations at this crazy price.. FEATURES Powerful wireless subwoofer Bluetooth V5.1 with Qualcomm® aptX™ Versatile connectivity: Line In, AUX, Optical, Coaxial, Bluetooth Built-in Class-D amplifier and Digital Signal Processing (DSP) Class-D Amplifier & Digital Signal Processing (DSP) Built-in class D amplifier and Digital Signal Processing (DSP) eliminate the distortion even further, allowing the system to go even louder while maintaining crystal-clear audio in every environment. Easy Bluetooth Pairing It can transfer high-quality audio sound from your Bluetooth-enabled devices wirelessly with quick transmission over long distances and good anti-interference capabilities thanks to its QUALCOMM's Bluetooth 5.1 module and built-in APTX decoding, no wires required. Tons of Bass Power The system includes a wireless subwoofer that measures 10.9 x 11.8 x 13.2 inches and provides deep bass and a rich low end. The two compact satellites, measuring 5 x 8.9 x 6 inches each, working in perfect harmony with the subwoofer, create a very wide and full sound and taking up only very little room on your desk. Top-Mounted 3-colour Indicator The top-mounted 3-colour indicator clearly indicates audio inputs for a quick and convenient connection. Two Kinds of Adjustment for Easier Control You can adjust the volume, switch modes, power on/off the speaker using the top panel control on the active speaker or you can control the speaker with the included infrared remote to make life easier.What You Get 1 x Active Speaker 1 x Passive Speaker 1 x Subwoofer 1 x Remote Control 1 x 3.5mm - RCA Audio Cable 1 x RCA - RCA Audio Cable 1 x Optical Audio Cable 1 x Power Cable 1 x User Manual Specifications Bluetooth Version: V5.1 Audio codecs: SBC, aptX Audio inputs: Line In, AUX, Optical, Coaxial, Bluetooth Frequency response: R/L: 140Hz-20kHz, SW: 50Hz-170Hz INPUT SENSITIVITY AUX: R/L: 450±50mV, SW: 250±20mV Line in: R/L: 550±50mV, SW: 250±20mV Optical/Coaxial: : R/L: 400±50mFFs, SW: 250±20mFFs; Bluetooth: R/L: 500±50mFFs, SW: 250±20mFFs Poweroutput (RMS): 110W (R/L: 20W+20W SW: 70W) Signal-noise ratio: R/L: ≥85dB(A), SW: ≥75dB(A) Noise level: ≤25dB(A) Warranty: 2 Years