Alto TX312 - 700-Watt 12-Inch 2-Way Powered Loudspeaker @ The DJ Hookup
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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
PRV Audio 12W800A 12" Alto Series Professional Woofer 8 Ohm
Alto Professional HK19806 12” Woofer For TS312 | Full Compass Systems
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