Alto Pro TX Subwoofer The Alto Professional TX12S is a powerful and affordable solution to producing ground shaking bass in small to mid-sized spacesPerfect for musicians and small business owners, looking to revamp their rehearsal space or intimate performance spaces, this subwoofer powerfully extends the lower frequencies of just about any PA speaker and ensures a sonic experience that can be heard and felt in equal measure. In addition to being budget friendly and versatile, this unit was designed with ease at the forefrontthe TX12S is simple to set up and built to last. Thanks to a 12-inch driver with a 2-inch voice coil, the TX12S can handle the nuanced, deep bass frequencies that are all too commonly lost when using standard full-range speakers. The powerful onboard 900W amplifier comes equipped with overload protection that will ensure your low end is clean and clear even at full blast. One of the TX12S's most powerful features is its two different Live and Music EQ voicing mod