Earthquake Sound's SWAT 2.4X is a wireless audio transceiver that allows users to play audio from an audio source to almost any speaker or amplifier wirelessly.
The SWAT 2.4X can be easily paired with Earthquake's Couch Potato subwoofer. The Couch Potato's slim enclosure is designed to be tucked under the bed or couch. Now with the SWAT 2.4X, you don't have to worry about wiring a subwoofer that sits in the middle of the room.
For a more high end system, use one, two, or even three Supernova subwoofers since one Transmitter can hook up to multiple Receivers. If you don't like how the subwoofers are set up, you can easily rearrange them with the SWAT 2.4X (no re-wiring involved).
According to the company, the SWAT also eliminates the humming noise in a system, as there is no ground loop.