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RCF SUB 9007-AS - Dual 21" Active Subwoofer (RDNet on board) 7200 Watt Peak power - 3600 Watt RMS - Andertons Music Co.
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RCF LF21X451 21" Subwoofer Speaker - RCF 21" LF21X451 woofer - RCF LF21X451 speakers - RCF LF21X451 4,000 watt 21" speaker. RCF LF21X451 21" woofer and other RCF speakers available here.
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