{"product_id":"audio-ace-rebellion-series-18-subwoofer-dual-1-ohm","title":"Audio Ace Rebellion Series 18\" Subwoofer Dual 1 Ohm","description":"\u003cdiv\u003e\n\u003cp\u003eThe Audio Ace Rebellion Series 18\" Dual 1 Ohm subwoofer is built for car audio enthusiasts who demand both deep, controlled bass and high SPL capability. With a 4,000 RMS rating and a purposefully low Fs, it stays musical across a wide range of music while delivering extreme output when pushed hard.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eImpedance\u003c\/b\u003e: Dual 1 Ohm — provides flexible wiring options and strong current delivery for high-demand amps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRMS Power Handling\u003c\/b\u003e: 4,000 RMS — indicates the continuous power the driver can handle with proper cooling and a capable amplifier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFs\u003c\/b\u003e: 28 — a low resonant frequency contributing to deeper bass extension and cleaner low-end at high levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQes\u003c\/b\u003e: 492 — electrical Q factor shaping how the cone responds to electrical drive and damping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQms\u003c\/b\u003e: 5.494 — mechanical Q factor affecting motion under excursion and transient response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQts\u003c\/b\u003e:.451 — overall Q, influencing enclosure tuning and control under dynamic bass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSd\u003c\/b\u003e: 1134.12 — effective piston area; larger Sd moves more air for stronger bass output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSPL\u003c\/b\u003e: 89 — sensitivity rating that relates input power to output potential under test conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRe\u003c\/b\u003e: 1+1 — DC resistance of the voice coil, used for amp loading calculations and impedance behavior.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBL\u003c\/b\u003e: 26.359 — motor strength factor; higher BL improves cone control at high excursions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eXmax\u003c\/b\u003e: 25 — maximum linear excursion before distortion, defining how far the cone can travel for deep bass.»\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVoice Coil\u003c\/b\u003e: 4 inch — coil size that supports heat dissipation and power handling at high output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEach Way Motor\u003c\/b\u003e: 498 oz — magnet\/motor assembly strength contributing to overall control and durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eD1\u003c\/b\u003e: 4,000 RMS — reiterates the rated power handling capability tied to the driver’s design.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBenefits: In high-power builds, this 18\" dual-1-ohm sub delivers deep, impactful bass with strong control, suitable for flagship installations or daily-driver systems where extreme sound levels are pursued. The combination of low Fs, high motor strength, and substantial voice-coil size supports sustained, demanding playback while maintaining mechanical stability and accurate transient response. Its flexible impedance pairing and substantial power handling make it a capable cornerstone for enthusiasts seeking both loudness and musical fidelity.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Audio Ace","offers":[{"title":"Default Title","offer_id":49849786204388,"sku":null,"price":799.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/2522\/9028\/files\/34f101_4e94a1240fd94345bee3b80a7af34856_mv2.jpg?v=1789257378","url":"https:\/\/www.12voltoutlet.com\/products\/audio-ace-rebellion-series-18-subwoofer-dual-1-ohm","provider":"12 Volt Outlet","version":"1.0","type":"link"}