{"product_id":"powerful-13-4000w-single-ohm-subwoofer-by-rockford-fosgate","title":"Powerful 13\" 4000W Single Ohm Subwoofer By Rockford Fosgate","description":"\u003cp\u003eThis Rockford Fosgate subwoofer is no ordinary off-the-shelf model. Crafted by a world-renowned loudspeaker engineer, it's designed to surpass its predecessors. At 13 inches, it boasts an impressive total effective radiating area, featuring dual spiders for enhanced cone travel. The linear motor structure ensures exceptional sound quality, while the IDHS heat-sink provides a power handling capacity of 4000 watts peak. It's equipped with proprietary input terminals for efficient power delivery. Caution is advised during installation due to its substantial weight (93 lbs). Included are a Rockford 13\" subwoofer, trim ring, Allen head screws, bit, and installation manual. Key features include a three-layer glass fiber cone, aluminum dustcap, injection-molded foam surround, and more. It offers 2000 watts RMS and 4000 watts max power handling, with a nominal impedance of 1 Ohm. The subwoofer displaces 0.250 cubic feet and has a sealed box volume of 1.85 cubic feet. It measures 12.28 inches in cutout diameter and 9.70 inches in mounting depth, with a shipping weight of 93.70 lbs.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFeatures: Three layer glass fiber\/Aramid honeycomb\/Glass fiber cone, Aluminum dustcap, Injection molded foam surround with VAST, Proprietary surround mechanical clamping ring, Dual Nomex progressive spiders with integrated lead wires, Aluminum diecast frame with integrated heat sink fins, Custom push spring insulated 8 AWG terminals, Single layer edge wound aluminum 4\" voice coil, Detachable die cast aluminum trim ring, Vented pole piece, Triple stack segmented ferrite motor structure, and Inte\u003c\/li\u003e\n\u003cli\u003eSpecifications: Size: 13\", Subwoofer Type: Standard, CEA-2031 Compliant, Nominal Impedance: 1-Ohm, Power Handling: 2000 Watts RMS | 4000 Watts Max. Speaker Connector: 8 AWG slot loaded, Voice Coil Type: Single Voice Coil, Qms: 2.93, Voice Coil Diameter: 3.96\" (100 mm), Magnet Weight: 528 oz., Re: 0.9, Vas: 69.3 L, Qes: 0.39, Fs: 25 Hz, Qts: 0.34, Sd: 707 cm2, Xmax: 34 mm, Le: 0.53mH, SPL @ 1w\/1m: 87 dB, Cutout Diameter: 12.28 in., Mounting Depth: 9.70 in., Woofer Displacement: 0.250 cu. ft., Sea\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rockford Fosgate","offers":[{"title":"Default Title","offer_id":45148113174598,"sku":"B01GHZPL1Y","price":1099.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/71oHoQirgDL.jpg?v=1780691507","url":"https:\/\/audiowatt.store\/products\/powerful-13-4000w-single-ohm-subwoofer-by-rockford-fosgate","provider":"Audio Watt","version":"1.0","type":"link"}