RCF SUB-9007AS Dual 21″ Active High Power Subwoofer – Sonic Circus
Dual 21 Inch 300W Subwoofer Rcf 9007 Professional DJ Powered Speaker for Indoor Outdoor Stage Show - China Rcf Professional Speaker and Professional DJ Speakers price | Made-in-China.com
RCF V221-S High Power Passive Dual 21" Subwoofer
High Power Subwoofer with 5" Voice Coil 3000W RMS rcf SUB 21inch subwoofer speaker _ - AliExpress Mobile