Alto Pro TX Subwoofer The Alto Professional TX18S brings much more to the table than sheer sonic force. This unit can handle deep bass frequencies and project them into any large-scale venue, nightclub, house of worship, or place of business with pristine clarity and nuanceDJs and musicians who are tasked with carrying their own equipment from location to location rejoicenot only is the TX18S optimized for portability, but it is also designed to integrate seamlessly into just about any audio setup in any number of settings and rooms. Those who are looking to install the TX18S as a permanent fixture of their restaurant, bar, cafe, gym, or venue will be relieved at just how easy this unit is to use. The controls are simple yet effective, ensuring impressive low-end response regardless of your technical know-how or audio experience. Thanks to a 18-inch driver with a 2-inch voice coil, the TX18S can handle the nuanced, deep bass frequencies that are all too commonly lost when using standa