S8 Main Speakers For LCR For room length 15 feet’s For Surround Side And Back Full Range 2 Way Cinema Speaker, 8KHz X-Over LF 8" (200MM) Paper cone, Voice Coil 30MM HF 1" (25MM) Silk Dome Type Max SPL: 105dB, 200W Dynamic 120W RMS 6 Ohms Frequency Response: 30 Hz- 18 KHz ±6dB Frequency Range: 20HZ -20 KHZ Sensitivity: 88dB @ 1W Enclosure: MDF, Ported- Bass Reflex design. MRP: 35000 DP: 12500