Onkyo SKW 208 Sub Woofer in Frome, Somerset for sale

Immaculate little used sub woofer. Perfect for providing extra bass, particularly if using a system with small speakers. Retails at between £170/£200, looking for half that. Extract from Onkyo's own site below :- Craving some extra low-end impact for your movies, games, and music? Take a good look at the SKW-208. This powered subwoofer makes an ideal foil for your compatible mini system or multichannel set-up. Its down-firing construction is designed to deliver highly stable and efficient acoustic radiance. Meanwhile, the crossover frequency can be adjusted from 50 Hz to 200 Hz, for an optimal match with your speaker set. With the SKW-208, you get heart-pounding explosions, hypnotic basslines, and all-enveloping lowfrequency effects.