Rockford Fosgate R1S4-10 10" Prime 300 Watt 4-Ohm SVC Subwoofer + Sealed Box Fasteam It uses standard-sized weight plates

It uses standard-sized weight plates or Olympic weight plates (with OA8 Olympic Adapter Sleeve) for resistance (weight plates sold separately)

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Our Opti-vent mesh liner manages heat by generating a breathable inside and Opti-soft eva midsole works with your foot's arch to create a natural and comfortable walk

Let these two ROCKFORD FOSGATE R2D2 10 1000 Watt 10" 2 Ohm Prime Series DVC Subwoofers supply your vehicle with thumping bass

Rockford Fosgate R1S4-10 10" Prime 300 Watt 4-Ohm SVC Subwoofer + Sealed Box Fasteam It uses standard-sized weight platesBrand: Rockford Fosgate Features: The Rockford Fosgate R1S410 is a 10" subwoofer, designed for car audio fanatics wanting big bass they can rely on This 10" subwoofer handles 150 Watts RMS 300 Watts Max and has a 4 Ohm Voice Coil This car subwoofer is optimized for sealed or vented enclosures and has a mounting depth of 4. 57" and require a cutout diameter of 9. 13" Featuring mica injected polypropylene cone and stamp cast basket with integrated