In a word YES! Sub-woofers are a great addition to your home cinema set up providing that brilliant base sound that really adds depth to your audio. They'll improve the overall sound quality of your system and do a lot of work so your other speakers can really shine. There are a great variety of sub woofers available, from invisible in-wall subs (such as the Definitive Technology in-wall Reference) to standard standalone subs and if you're thinking of getting a new set up, th