{"product_id":"nakamichi-nsw-p1204d4","title":"Nakamichi NSW-P1204D4","description":"\u003cul class=\"Ul_liBox\"\u003e\n\u003cli\u003e\n\u003ch3\u003eModel No.: NSW-P1204D4\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eNominal Diameter: 12\" (312mm)\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eMounting Depth: 5.75\" (146mm)\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eN-Power: 400 watts\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003ePeak Power: 2800 watts\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eNominal Impedance: 4Ω+4Ω\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eFrequency Response: 31Hz-1.8kHz\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eSensitivity (SPL\/1W\/1m): 86±3dB\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eFree Air Resonance (Fo): 35Hz\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eSuspension Compliance (Cms): 235.032UM\/N\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eMoving Mass (Mms): 86.636g\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eMechanical “Q” (Qms): 3.467\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eElectrical “Q” (Qes): 0.516\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eTotal Speaker “Q” (Qts): 0.449\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eEquivalent Volume (Vas): 87.049\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eDC Resistance (Re): 4Ω+4Ω\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eEffective Piston Area (Sd): 52.1mm²\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eForce Factor (BL): 8.187T·m\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eReference Efficiency (No): 0.716%\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eVoice Coil (V.C.): Φ50.5mm, ASV\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eMagnet Mass: 50.77oz (1439.4g)\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eNet Mass (1pc): Approx. 4.9kg\u003c\/h3\u003e\n\u003ch3\u003eRecommended Sealed Enclosure Volume - 45-50 L\u003c\/h3\u003e\n\u003ch3\u003eRecommended Vented Enclosure Volume - 55-60 L Port Tuning - 33-36hz \u003c\/h3\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Car Concepts Shop","offers":[{"title":"Default Title","offer_id":48045206798491,"sku":null,"price":5850.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0598\/6392\/4891\/files\/Screenshot2026-01-29at11.08.10PM.png?v=1769708303","url":"https:\/\/carconceptsshop.com\/products\/nakamichi-nsw-p1204d4","provider":"Car Concepts Shop","version":"1.0","type":"link"}