{"product_id":"critical-mass-uls1822-102db-2-83v-ul-series-ultra-performance-lightweight-18-inch-subwoofer-sq-neo-fs17-hertz-18-1600-watts-rms-dual-2-ohm-car-audio-marine-certified-pro-performance-neo-lf-driver-b0cnnd3vfc","title":"18 inch 1600 Watts RMS Dual 2 Ohm Subwoofer E9586","description":"Brand: Critical Mass\nSpeaker Maximum Output Power: 3000 watts\nFrequency Response: 5 hertz\nConnectivity Technology: dual 2 OHM WIRED\nAudio Output Mode: Stereo\n\n- Power: 1600W RMS Sensitivity: 102db \/1m Rated Impedance: 2 Ω x 2 coils Frequency Response: 05-1100Hz Fs 17Hz SPL 2.83 V 1m 101.86db Effective Piston Area (Sd) 0.1177 sq m Equivalent Compliance (Vas) 98.8126 L Total Speaker “Q” (Qts) 0.6231 Mechanical “Q” (Qms) 3.0422 Electrical “Q” (Qes) 0.7948\n- Waterproof Design: Marine use Certified Hybrid Audiophile Design: Highest SPL w\/ highest-fidelity reproduction. MOUNTING DEPTH: 8.45\" LIGHTWEIGHT: Only 20 lbs Critical MASS audio was formed from the first Car Audio school CMA. The Mobile Electronics Association still uses many of our materials today.\n- CRITICAL MASS was rated #1, considered “the Best” and “the Perfect Sub” and beat all subwoofers in Car Audio \u0026amp; Electronics Magazine including JL Audio, Alpine, Kicker, ORION, Rockford Fosgate, Image Dynamics, Digital Designs, Cerwin Vega Stroker pro, Phoenix Gold and many many more that did NOT make the top 10. Beating all other subwoofer manufacturers might be simple when the person doing the testing is a novice or a blogger or enthusiast or even a lifelong audiophile, but when the testing engineer is Mr. Vance Dickason, who literally wrote the book on speakers (top-selling Loudspeaker Design Cookbook all editions 1-8) then things become real. See the attached video for more info.\n- With 102db 1m 2.83v and the strongest Neodymium w 2x stronger motor than weaker N38H, N35H, N32H neo this 18\" Subwoofer is at the top of the pack. Marine cert.\n- Water resistant, UV treated","brand":"My Store","offers":[{"title":"Default Title","offer_id":44383871893582,"sku":"P359344543134522869","price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/8970\/4014\/files\/71VFYa_QXbL.jpg?v=1790214626","url":"https:\/\/bfaerr.shop\/products\/critical-mass-uls1822-102db-2-83v-ul-series-ultra-performance-lightweight-18-inch-subwoofer-sq-neo-fs17-hertz-18-1600-watts-rms-dual-2-ohm-car-audio-marine-certified-pro-performance-neo-lf-driver-b0cnnd3vfc","provider":"My Store","version":"1.0","type":"link"}