Mirage Omni-S8 8-Inch 400 Watt High-Performance Subwoofer (Discontinued by Manufacturer) Compact, class-leading 8" subwoofer produces precise deep bass down to 27hz! 400 watt Amplifier (100watt RMS) precisely matched to woofer for accurate and high-impact bass Heavy-duty 8" Titanium-Deposited woofer & down-firing low-turbulence port Patented Ribbed Elliptical Surround Technology for lower distortion & greater dynamics Variable high-pass filter, phase switch, line-level and speaker level inputs for easy integration with any system