{"product_id":"esb-4-75-4000-series-3-midrange-car-speakers-100w-rms-copy","title":"ESB 4.100 4000 Series 4\" Midrange Car Speakers 100w RMS","description":"\u003ch4\u003e\u003cstrong\u003eThe ESB 4.100 is a 4-inch (100 mm) cone midrange car speaker rated at 100w RMS, part of ESB Audio's 4000 Series.\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eKey specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDriver size: 4 inch \/ 100 mm\u003c\/li\u003e\n\u003cli\u003eType: Cone midrange\u003c\/li\u003e\n\u003cli\u003ePower handling: 100w RMS\u003c\/li\u003e\n\u003cli\u003eMagnet type: High-grade neodymium (N-52)\u003c\/li\u003e\n\u003cli\u003eBasket: Die-cast aluminium alloy\u003c\/li\u003e\n\u003cli\u003eVoice coil: Aluminium copper-clad, vented\u003c\/li\u003e\n\u003cli\u003eCone material: Long-fibre unbleached pulp with external treatment\u003c\/li\u003e\n\u003cli\u003eSurround: Soft nitrile rubber, UV-resistant\u003c\/li\u003e\n\u003cli\u003eIncludes: Stainless-steel grille\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e4.100 4\"\/100 mm Cone Midrange\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe ESB 4000 Series was designed to maximise performance at an accessible price point. The N-52 neodymium magnet delivers high efficiency, supporting high sound pressure levels even with low-power factory amplifiers. The premium matt black steel grille gives a refined finish that suits most car interiors. If you need a larger driver, the 4000 Series is also available as the ESB 4.165 6.5 inch component mid woofer at 150w RMS.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUltra-low carbon alloy steel pole piece CNC-machined using magnet analysis software (FEM) and cold-forged in one piece for perfect geometry. Concentrates magnetic force directly in front of the voice coil.\u003c\/li\u003e\n\u003cli\u003eHigh-grade N-52 neodymium magnet — over 25% stronger for the same mass than common N-48 magnets, with high resistance to demagnetisation.\u003c\/li\u003e\n\u003cli\u003eDie-cast aluminium alloy basket frame for high rigidity and minimal airflow resistance, manufactured to strict regulatory specifications for consistent quality.\u003c\/li\u003e\n\u003cli\u003eCNC-machined ultra-low carbon alloy steel pole plate ensures perfect flatness, sitting flush over the magnet without reducing magnetic flux.\u003c\/li\u003e\n\u003cli\u003eLarge aluminium copper-clad vented voice coil handles high power with excellent heat dissipation and lightweight construction for high dynamic accuracy.\u003c\/li\u003e\n\u003cli\u003eLong-fibre unbleached pulp cone with special external treatment balancing lightness, rigidity, and internal damping.\u003c\/li\u003e\n\u003cli\u003eSoft nitrile rubber surround suspension — UV-resistant and unaffected by temperature changes — with a special edge design for free, consistent forward and backward movement.\u003c\/li\u003e\n\u003cli\u003eDeluxe protective stainless-steel grille included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003e\u003cstrong\u003eProduct Specification:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv id=\"ProductAccordion-collapsible_tab_Dw3zCh-template--24907575689482__main-product\" class=\"collapsible__content accordion__content rte\"\u003e\n\u003ctable class=\"cen-spec-table--grid\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"text-align: left;\"\u003eSpeaker Type\u003c\/th\u003e\n\u003ctd\u003eComponent Midrange\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"text-align: left;\"\u003eNominal Diameter\u003c\/th\u003e\n\u003ctd\u003e4”\/100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"text-align: left;\"\u003eNominal Impedance (Znom)\u003c\/th\u003e\n\u003ctd\u003e4 Ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"text-align: left;\"\u003eContinuous Power Handling\u003c\/th\u003e\n\u003ctd\u003e100 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"text-align: left;\"\u003ePeak Power Handling\u003c\/th\u003e\n\u003ctd\u003e200 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"text-align: left;\"\u003eRec. Amplifier Power\u003c\/th\u003e\n\u003ctd\u003e40 - 150W (RMS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"text-align: left;\"\u003eVoice Coil\u003c\/th\u003e\n\u003ctd\u003eResistance (Re) 3.87 Ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"text-align: left;\"\u003eVoice Coil\u003c\/th\u003e\n\u003ctd\u003eDiameter 25.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"text-align: left;\"\u003eFree Air Resonance (Fs)\u003c\/th\u003e\n\u003ctd\u003e77 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"text-align: left;\"\u003eReference Efficiency (no)\u003c\/th\u003e\n\u003ctd\u003e0.24 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"text-align: left;\"\u003eSensitivity\u003c\/th\u003e\n\u003ctd\u003e86.2 dB @ 1W\/1m \/ 89.2 dB @ 2.83V\/1m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"text-align: left;\"\u003eElectrical “Q” (Qes)\u003c\/th\u003e\n\u003ctd\u003e0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"text-align: left;\"\u003eMechanical “Q” (Qms)\u003c\/th\u003e\n\u003ctd\u003e4.965\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"text-align: left;\"\u003eTotal Speaker “Q” (Qts)\u003c\/th\u003e\n\u003ctd\u003e0.651\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"text-align: left;\"\u003eEquivalent Compliance (Vas)\u003c\/th\u003e\n\u003ctd\u003e4.15 lt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"text-align: left;\"\u003eMoving Mass (Mms)\u003c\/th\u003e\n\u003ctd\u003e4.47 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"text-align: left;\"\u003eMech. Compliance (Cms)\u003c\/th\u003e\n\u003ctd\u003e0.955 mm\/N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"text-align: left;\"\u003eMagnetic Strength (BL)\u003c\/th\u003e\n\u003ctd\u003e3.344 N\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"text-align: left;\"\u003eEffective Piston Area (Sd)\u003c\/th\u003e\n\u003ctd\u003e55.42 sq. cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"text-align: left;\"\u003eOne-Way Linear Excursion (Xmax)\u003c\/th\u003e\n\u003ctd\u003e2.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"ESB","offers":[{"title":"Default Title","offer_id":54097270210826,"sku":"4.100 4000","price":269.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0930\/4578\/4842\/files\/ESB4.100-1.webp?v=1794337457","url":"https:\/\/audiovisualworld.co.uk\/products\/esb-4-75-4000-series-3-midrange-car-speakers-100w-rms-copy","provider":"Audio Visual World","version":"1.0","type":"link"}