{"product_id":"ds18-s40-4-2-way-coaxial-speakers-with-grille-120w-max","title":"DS18 S40 4\" 2-Way Coaxial Speakers with Grille — 120W MAX","description":"\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cdiv class=\"description-product__answer\"\u003e\n\u003cdiv class=\"description-product__answer-container details\"\u003e\n\u003cul\u003e\n\u003cli\u003e4\" 2-Way Coaxial with Integrated Tweeter\u003c\/li\u003e\n\u003cli\u003eRMS Power: 40 Watts (120 Watts Max)\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 Ohm\u003c\/li\u003e\n\u003cli\u003eFrequency Range: 80Hz - 20kHz\u003c\/li\u003e\n\u003cli\u003ePair ~ 85dB\u003c\/li\u003e\n\u003cli\u003eGrill Included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"text-with-icons__item technicalDataLoop\"\u003e\n\u003cdiv class=\"text-with-icons__content-wrapper\"\u003e\n\u003cp class=\"heading heading--small red\"\u003eSPECS\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSKU\u003cbr\u003e\u003c\/strong\u003eS40\u003cbr\u003e\u003cstrong\u003eNominal Diameter\u003cbr\u003e\u003c\/strong\u003e4\" \/ 101.6mm\u003cbr\u003e\u003cstrong\u003eNominal Impedance\u003cbr\u003e\u003c\/strong\u003e4 Ohms\u003cbr\u003e\u003cstrong\u003eRMS Power Handling\u003cbr\u003e\u003c\/strong\u003e40W\u003cbr\u003e\u003cstrong\u003eMAX Power Handling\u003cbr\u003e\u003c\/strong\u003e120W\u003cbr\u003e\u003cstrong\u003eSensitivity (1w\/1m)\u003cbr\u003e\u003c\/strong\u003e85dB\u003cbr\u003e\u003cstrong\u003eFrequency Response\u003cbr\u003e\u003c\/strong\u003e80Hz-20KHz\u003cbr\u003e\u003cstrong\u003eRecommended HI Pass Crossover\u003cbr\u003e\u003c\/strong\u003e120Hz\u003cbr\u003e\u003cstrong\u003eNumber of ways\u003cbr\u003e\u003c\/strong\u003e2\u003cbr\u003e\u003cstrong\u003ePair or Single\u003cbr\u003e\u003c\/strong\u003ePair\u003cbr\u003e\u003cstrong\u003eGrill Included\u003cbr\u003e\u003c\/strong\u003eYes\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"text-with-icons__item technicalDataLoop\"\u003e\n\u003cdiv class=\"text-with-icons__content-wrapper\"\u003e\n\u003cp class=\"heading heading--small red\"\u003eWOOFER\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVoice Coil Diameter\u003cbr\u003e\u003c\/strong\u003e1\" \/ 25.5mm\u003cbr\u003e\u003cstrong\u003eVoice Coil Former Material\u003cbr\u003e\u003c\/strong\u003eASV\u003cbr\u003e\u003cstrong\u003eWinding Material\u003cbr\u003e\u003c\/strong\u003eEISV\u003cbr\u003e\u003cstrong\u003eCone Material\u003cbr\u003e\u003c\/strong\u003ePPI\u003cbr\u003e\u003cstrong\u003eSurround Material\u003cbr\u003e\u003c\/strong\u003eRubber\u003cbr\u003e\u003cstrong\u003eBasket Material\u003cbr\u003e\u003c\/strong\u003eSteel\u003cbr\u003e\u003cstrong\u003eBasket Color\/Finish\u003cbr\u003e\u003c\/strong\u003eBlack Matte\u003cbr\u003e\u003cstrong\u003eMagnet Material\u003cbr\u003e\u003c\/strong\u003eBarium Ferrite\u003cbr\u003e\u003cstrong\u003eMagnet Weight\u003cbr\u003e\u003c\/strong\u003e5.3Oz \/ 150g\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"text-with-icons__item technicalDataLoop\"\u003e\n\u003cdiv class=\"text-with-icons__content-wrapper\"\u003e\n\u003cp class=\"heading heading--small red\"\u003eTHIELE \u0026amp; SMALL PARAMETERS\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEquivalent Volume\u003cbr\u003e\u003c\/strong\u003e1.82L \/ 0.064ft3\u003cbr\u003e\u003cstrong\u003eExcursion (one way)\u003cbr\u003e\u003c\/strong\u003e2.2mm\u003cbr\u003e\u003cstrong\u003eFree Air Resonance\u003cbr\u003e\u003c\/strong\u003e120Hz\u003cbr\u003e\u003cstrong\u003eMechanical Factor\u003cbr\u003e\u003c\/strong\u003e5.677\u003cbr\u003e\u003cstrong\u003eElectrical Factor\u003cbr\u003e\u003c\/strong\u003e1.911\u003cbr\u003e\u003cstrong\u003eTotal Factor\u003cbr\u003e\u003c\/strong\u003e1.429\u003cbr\u003e\u003cstrong\u003eMechanical Mass\u003cbr\u003e\u003c\/strong\u003e6.5g\u003cbr\u003e\u003cstrong\u003eMechanical Compliance\u003cbr\u003e\u003c\/strong\u003e0.444mm\/N\u003cbr\u003e\u003cstrong\u003eBL Factor\u003cbr\u003e\u003c\/strong\u003e2.35\u003cbr\u003e\u003cstrong\u003eVoice Coil Inductance\u003cbr\u003e\u003c\/strong\u003e0.030mH\u003cbr\u003e\u003cstrong\u003eCone Area\u003cbr\u003e\u003c\/strong\u003e55cm2\u003cbr\u003e\u003cstrong\u003eDC Resistance\u003cbr\u003e\u003c\/strong\u003e3.7 Ohms\u003cbr\u003e\u003cstrong\u003eMechanical Mass w\/o air\u003cbr\u003e\u003c\/strong\u003e6g\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"text-with-icons__item technicalDataLoop\"\u003e\n\u003cdiv class=\"text-with-icons__content-wrapper\"\u003e\n\u003cp class=\"heading heading--small red\"\u003eTWEETER\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNominal Diameter\u003cbr\u003e\u003c\/strong\u003e1\" \/ 25.5mm\u003cbr\u003e\u003cstrong\u003eVoice Coil Diameter\u003cbr\u003e\u003c\/strong\u003e0.5\" \/ 13.25mm\u003cbr\u003e\u003cstrong\u003eVoice Coil Former Material\u003cbr\u003e\u003c\/strong\u003eKSV\u003cbr\u003e\u003cstrong\u003eWinding Material\u003cbr\u003e\u003c\/strong\u003eEISVM\u003cbr\u003e\u003cstrong\u003eDiaphragm Material\u003cbr\u003e\u003c\/strong\u003eMylar\u003cbr\u003e\u003cstrong\u003eMagnet Material\u003cbr\u003e\u003c\/strong\u003eNeodymium\u003cbr\u003e\u003cstrong\u003eMagnet Weight\u003cbr\u003e\u003c\/strong\u003e1.8g\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"text-with-icons__item technicalDataLoop\"\u003e\n\u003cdiv class=\"text-with-icons__content-wrapper\"\u003e\n\u003cp class=\"heading heading--small red\"\u003eMEASUREMENTS\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Diameter\u003cbr\u003e\u003c\/strong\u003e4\" \/ 104mm\u003cbr\u003e\u003cstrong\u003eOverall Depth\u003cbr\u003e\u003c\/strong\u003e2.2\" \/ 56.6mm\u003cbr\u003e\u003cstrong\u003eOverall Diameter (With Grill)\u003cbr\u003e\u003c\/strong\u003e5.28\" \/ 134mm\u003cbr\u003e\u003cstrong\u003eOverall Depth (With Grill)\u003cbr\u003e\u003c\/strong\u003e2.73\" \/ 69.3mm\u003cbr\u003e\u003cstrong\u003eFront Mount Baffle Cutout\u003cbr\u003e\u003c\/strong\u003e3.6\" \/ 92mm\u003cbr\u003e\u003cstrong\u003eMounting Depth\u003cbr\u003e\u003c\/strong\u003e1.67\" \/ 42.5mm\u003cbr\u003e\u003cstrong\u003eMotor Diameter\u003cbr\u003e\u003c\/strong\u003e2.76\" \/ 70mm\u003cbr\u003e\u003cstrong\u003eTweeter Protrusion\u003cbr\u003e\u003c\/strong\u003e0.37\" \/ 9.5mm\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cdiv class=\"description-product__answer\"\u003e\n\u003cdiv class=\"description-product__answer-container how_to_care\"\u003e\n\u003cdiv class=\"container\"\u003e\n\u003cdiv class=\"image-with-text__wrapper image-with-text-odd\"\u003e\n\u003cdiv class=\"image-with-text__content-wrapper\"\u003e\n\u003cdiv class=\"image-with-text__content-list\"\u003e\n\u003ch2 class=\"heading heading--small\"\u003e\u003cspan\u003eS40\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv class=\"image-with-text__text-wrapper\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e4\" 2-Way Coaxial Speaker with Grille — 40W RMS, 4-Ohm\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDS18's S40 is a compact 2-way coaxial speaker that brings DS18's signature clarity in a form factor that fits nearly anywhere.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith 40W RMS (120W MAX), the S40 is ideal for replacing factory speakers or building out a multi-speaker system. The integrated mylar tweeter delivers smooth high frequencies, while the woofer handles mids with power. The voice coil assembly includes ASV and EISV components for thermal stability and durability, even at louder volumes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe S40 maintains tight response from 80Hz to 20kHz. Its mechanical design — featuring a rubber surround, black matte steel basket, and a barium ferrite magnet — helps control distortion while preserving output in small enclosures or OEM locations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith a mounting depth of just 1.67\", the S40 installs easily into doors, dashboards, and other tight spaces. It comes with grilles included and is ready to drop into your system without needing custom fabrication.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"DS18 Audio","offers":[{"title":"Default Title","offer_id":52061626007840,"sku":"S40","price":34.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/S40-2000x2000_1800x_43b8057a-f8f2-42ea-8a30-f8f6e7785ab8.jpg?v=1785518933","url":"https:\/\/wavelengthusa.com\/es\/products\/ds18-s40-4-2-way-coaxial-speakers-with-grille-120w-max","provider":"Wavelength USA","version":"1.0","type":"link"}