Edifier R1700BT 2.0 Bluetooth Bookshelf Speaker - Total Power Output: RMS 15W×2 + 18W×2 - SNR: =85dBA - Distortion: =0.5% - Input Sensitivity: PC:700±50mV, AUX:550±50mV - Tweeter: F19mm silk dome, 6ohm - Subwoofer: 4"(F116mm), 6ohm - R1700BT-BK - 2 Years Limited Warranty