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Hertz SPL Show SX 690 NEO SPL Show Series 6"x9" 3-way car speakers — built for SPL competition at Crutchfield
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Amazon.com: HERTZ SPL Show Series SS-15-D2 SPL 15 in. (380mm) 1200 Watt RMS 2-Ohm DVC Subwoofer : Electronics
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