Pas-004 Single And Double 18-inch Subwoofer Speaker 100 Mm Copper Cable Rubidium Iron Boron 97 Magnetic 1600w 8ohm (1pcs) - Home Theater Amplifiers - AliExpress
21''- 2000 Watt HI FI DJ Bass Speaker Dhoom Audio, For Big Event, W530-03
RCF L18P400 18" 2000W Sub-Woofer Professional DJ / Club Speaker | Reverb
Rcf 18 inch with 2000 watts peak outputRCF lf18g400 #VKIVAN - YouTube
Superb rcf 18 speakers with Maximum Output - Alibaba.com
RCF SUB 8008-AS 4,400W 2 x 18-inch Powered Subwoofer | Sweetwater