AUDIOPHILE COMPONENTS - Built with flat diaphragm tweeters and 5.5 inch woofers, the S2000pro represents the top of the line powered speakers for home or studio use BLUETOOTH WIRELESS - BT v4.0 with aptX decoder makes playing high fidelity audio from your mobile devices at ease. OPTICAL/COAXIAL INPUTS - Connect S2000pro via toslink or spdif connection for lossless digital audio streaming. AUX inputs via dual RCA or dual XLR ports at the back. SOLID WOOD SIDEBOARDS, HANDY REMOTE - Genuine birch sideboards adds quality accents that compliment any decor. A remote control is included for convenience. 2 YEAR WARRANTY IN USA AND CANADA - S2000pro is proudly designed and manufactured by Edifier. The entire system is back with a 2 year warranty