The Buttkicker Kit. Sounds like a corporal punishment tool, but turns out to be a home theatre and gaming audio enhancer. See, that’s life and the nature of marketing for ya! $599.99.
the ButtKicker LFE is a “silent subwoofer” that mounts to your furniture and allows you to feel powerful bass without excessive volume. Easy to use with home theater seating, all types of furniture, or even under your floor, the easy-to-use ButtKicker LFE Kit has everything you need to connect to your home theater or video game system in minutes.