Edifier R980T Powered 2.0 Bookshelf Speakers – Total Power:RMS 12W × 2 THD + N:10% SNR:=85dBA – Distortion:=0.5% – Inputs: Dual RCA input (RCA – RCA and RCA to AUX) – Frequency Response: 70 HZ-20 kHz +/-9db – Input Sensitivity: PC 700±50mV AUX 550±50mV (THD+N=1%) – Subwoofer/Bass Unit: 4 inch (106mm), 6O – Tweeter Unit: F13mm silk domed tweeter, 4O – R980T-BLACK – 12 Months Limited Warranty