Perform with passion when using this PreSonus AIR15s subwoofer. Its 15-inch driver supports Class D power to provide a solid bass response down to 35Hz, and its variable presets complement your loudspeakers. This versatile PreSonus AIR15s subwoofer has settings for arrayed and non-arrayed setups for high-quality bass at a live venue. | Presonus | | AIR-series PA Subwoofer | Black | Best Buy