They are also used to increase the low frequency power handling of full range systems used for film and dance music.

A well designed Sub-Woofer will integrate completely with the satellite cabinets, effectively making a two-way Near-Field into a three-way monitor, or a three-way Mid-Field into a four-way monitor. Sub-woofers are also used to reproduce the low frequency (.1) content of multi-channel audio e.g. 5.1 and 6.1.