Truesonic Subwoofers from Alto Professional Audio - YouTube
Amazon.com: Alto Professional TX212S - 900 Watt 12" Powered Speaker Subwoofer with DSP, Selector for Companion PA Speaker and Class D Amplifier with Overdrive Protection, black : Musical Instruments
Alto Professional - TS Subs Series > TS12S
Buy Alto Professional TS-212S 1250W 12" Active Subwoofer (Discontinued) in UAE at Best Price on MusicMajlis