{"product_id":"nakamichi-nsw-p1209d4-subwoofer","title":"Nakamichi NSW-P1209D4 Subwoofer","description":"\u003ch1 class=\"list-right__Title heading\"\u003e\u003cstrong\u003eNAKAMICHI NSW-P1209D4 SUBWOOFER\u003cbr\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch2 class=\"list-right__Title heading\"\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003cul class=\"Ul_liBox\"\u003e\n\u003cli\u003e\n\u003ch4\u003eModel No.: NSW-P1209D4\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eNominal Diameter: 12\" (312mm)\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eMounting Depth: 5.98\" (152mm)\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eN-Power: 900 watts\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003ePeak Power: 6300 watts\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eNominal Impedance: 4Ω+4Ω\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eFrequency Response: 37Hz-2.6kHz\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eSensitivity (SPL\/1W\/1m): 86±3dB\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eFree Air Resonance (Fo): 46Hz\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eSuspension Compliance (Cms): 94.196uM\/N\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eMoving Mass (Mms): 126.636g\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eMechanical “Q” (Qms): 4.514\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eElectrical “Q” (Qes): 0.465\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eTotal Speaker “Q” (Qts): 0.421\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eEquivalent Volume (Vas): 34.888\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eDC Resistance (Re): 4Ω+4Ω\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eEffective Piston Area (Sd): 52.1mm²\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eForce Factor (BL): 11.917T·m\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eReference Efficiency (No): 0.710%\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eVoice Coil (V.C.): Φ75.5mm, ASV\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eMagnet Mass: 112.86oz (3200g)\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eNet Mass (1pc): Approx. 8.3kg\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 class=\"list-right__Title heading\"\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/h1\u003e","brand":"Car Concepts Shop","offers":[{"title":"Default Title","offer_id":47933439049883,"sku":null,"price":11890.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0598\/6392\/4891\/files\/Screenshot2026-01-29at11.14.00PM.png?v=1769708682","url":"https:\/\/carconceptsshop.com\/products\/nakamichi-nsw-p1209d4-subwoofer","provider":"Car Concepts Shop","version":"1.0","type":"link"}