The PTS-234WD is Pragmatic High-performance Tile Array Speaker consists of a unique wide dispersion radiating panel which offers a very well-defined wide dispersion with no hot spots. The PTS-234WD is a compact ceiling tile speaker designed to be on its own or be paired with a variety of music distribution systems used in industrial and commercial applications. The PTS-234WD drop-tile ceiling speaker is very easy to mount in the standard commercial drop-tile ceilings. Additional options include an external HideAway™ amplifier and a PADS™ or TPA receiver. So whether you are looking for a high-performance speaker in a hotel, restaurant, theme park, corporation, school, hospital or department store for a very controlled wide dispersion sound field, the exceptional sound quality from PTS-234WD will be suitable for all needs within the A/V market.