Alto Professional TS312 2000W 12" 2-Way Active Loudspeaker | Full Compass Systems
Alto Professional offers sound reinforcement with the new subwoofer of the TS3 series
Amazon.com: Alto Professional TS312S | 2000 Watt 12 Inch Powered Portable PA Subwoofer With Selectable DSP Output Modes For Matching With Companion PA Speakers : Musical Instruments
Alto Professional TS315S Active PA Subwoofer - inMusic Store
Alto Professional TS312S 12" 2000W Powered Subwoofer TS312SXUS
Alto Professional TS312S 2000-Watt 12-Inch Powered Subwoofer - AVLgear.com
Alto Professional TS312S Active PA Subwoofer - inMusic Store
User manual Alto TS312 (English - 44 pages)
Alto Professional TS312S 12" 2000W Powered Subwoofer TS312SXUS