Bass is meant to be felt and drive the audio experience to new levels. Where you place a subwoofer has a huge impact on sound quality, but sometimes you canÕt get a cable to the optimal subwoofer location. With the Proficient¨ wireless audio subwoofer kit, you can place the sub in a location that achieves the best possible sound for the room. Simply connect the transmitter at your A/V source and the receiver to your subwoofer and you're ready for plug-and-play bass. All you need is a power source for the sub and you unlock the freedom to strategically place the subwoofer in its optimal location. Each transmitter supports up to four receivers for use with multiple subwoofers. Get more bass from any space!.