This listing is for a GoldenEar Technology ForceField 3 powered subwoofer. Featuring an 8-inch driver and an infrasonic sub-bass radiator, this unit delivers powerful and deep bass for your home audio system. Connectivity options include both SUB/LFE (RCA) and High Level (speaker wire) inputs, along with adjustable lowpass crossover and subwoofer level controls for precise sound customization. It also includes an auto on/off feature for convenience. The subwoofer is finished in black and is in good working condition with some cosmetic wear consistent with normal use, as visible in the images. Enhance your movie watching or music listening experience with this robust subwoofer. Power cord is included but not pictured.