For those who love the details, here are the official specs for the standard Audio Pro SP3:
Connects directly to Mac, PC, or analog sources (like an existing mixer or media player) to broadcast the wireless audio signal up to 100 meters.
While optimized for lighting tracks, it can also be wall or ceiling-mounted using the optional WAB-3 bracket .
The speaker draws electricity directly from the track rail.
The is an active wireless speaker designed for professional and commercial environments such as retail shops, restaurants, and offices. Part of the Audio Pro Business range, it is specifically engineered to mount directly into standard 3-phase lighting track systems, though it can also be wall-mounted with an optional bracket. Key Technical Specifications
“The thinking person’s soundbar.”