HIGH-END AUDIOPHILE COMPONENTS - Built using planar diaphragm tweeters and 5.5 inch woofers, the S2000MKII delivers clear, powerful audio. BLUETOOTH 5.0 WITH apt X HD DECODING - Stream high quality audio wirelessly with reduced latency and increased stability. LINE-IN/OPTICAL/COAXIAL INPUTS - Connect the S2000Pro easily using wireless, dual RCA, line-in and optical. Connect to multiple sources to avoid swapping inputs constantly. WIRELESS REMOTE - A convenient remote control allows you to adjust playback or inputs on the fly. 1 YEAR WARRANTY - S2000MKIII is proudly designed and manufactured by Edifier. The entire system is back with a 1 year warranty.