MTX 55 Series 5515-44 15" Dual 4 Ohm Voice Coils 400W Car Audio & Subwoofer. MTX's 55 Series subs give you a huge boom for the buck, and the 5515-44 15” subwoofer epitomizes that mindset. MTX worked hard to build a high-performance sub that adds tons of bass to your system without emptying out your bank account.
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