Item is a Polk Audio 8"subwoofer and is in excellent condition. I bought a different one and have no use for this so it's up for sale. With 100 watt of continues power, it can be hook up to a stereo or home theatre system. Works great in a midsize room and the bass is crisp and clear with low distortion at high volumes. High quality for a low price, come and get it. $70 OBO Sub specs - Powered: Yes - Removable speaker grille: Yes - Speaker drivers: High-excursion polymer composite cone with hi-roll surround - Speaker enclosure type: Vented via slot-loaded port - Speaker type: Subwoofer - Transducer type: Cone - THX-certified: No - Frequency response (+/- 3 dB): 28 to 200 Hz - Crossover: 60 to 160 Hz, 4th order - Continuous power output: 100 watts - Dynamic power output: 260 watts - Inputs: Speaker level (filtered), line level (filtered), LFE (unfiltered) - Outputs: Speaker level - Controls: Adjustable low-pass crossover, phase switch, and volume - Auto on/off circuit: Yes - Woofer (diameter): 8 inches - Video shielded: Yes - Item width: 11.44 inches - Item height: 12.44 inches - Item depth: 16.5 inches - Item weight: 27 pounds