{"product_id":"massive-audio-m8s-mid-range-shallow-mount-speaker","title":"Massive Audio M8S - 8\" 140 Watt 4 Ohm Mid-Range Shallow Mount Speaker","description":"\u003cp\u003eMassive Audio M8S is a midrange car speaker for an aftermarket vehicle audio installation. Match the specifications, connections and mounting requirements below to your system before ordering.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Massive Audio\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: M8S\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRMS Watts: 140 W\u003c\/li\u003e\n\u003cli\u003ePeak Power: 300 W\u003c\/li\u003e\n\u003cli\u003eResonance Frequency (Fo): 122 Hz\u003c\/li\u003e\n\u003cli\u003eUsable Frequency Range: 100Hz-7KHz\u003c\/li\u003e\n\u003cli\u003eSensitivity: 98 dB\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures and installation details\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e*Sold as each not in pairs.\u003c\/strong\u003e\u003c\/p\u003e\n\n\n\n\n\u003cp\u003eThe \u003cstrong\u003eMassive Audio M8S 8\" Shallow Mount Midrange Speaker\u003c\/strong\u003e is engineered to deliver exceptional output and vocal clarity in applications where installation depth is limited. Designed with a lightweight paper cone, rugged cast aluminum basket, \u003cstrong\u003e4-ohm impedance\u003c\/strong\u003e, and high \u003cstrong\u003e98 dB sensitivity,\u003c\/strong\u003e the M8S reproduces vocals, instruments, and midrange frequencies with impressive detail and efficiency.\u003c\/p\u003e\n\n\u003cp\u003eHandling \u003cstrong\u003e140 watts RMS\u003c\/strong\u003e with a usable frequency range of \u003cstrong\u003e100 Hz to 7 kHz,\u003c\/strong\u003e the M8S provides powerful, dynamic sound while requiring minimal mounting space thanks to its \u003cstrong\u003eultra-shallow 2.4-inch (61 mm) mounting depth\u003c\/strong\u003e. Whether installed in custom car audio systems, motorcycles, powersports vehicles, or other space-constrained applications, the M8S delivers professional-grade performance, reliability, and outstanding acoustic efficiency without compromising valuable installation space.\u003c\/p\u003e\n\n\n\u003cp\u003e\"On a Stage or in a Car, Massive Drives it Home!\"\u003c\/p\u003e\n\u003ch2\u003eManuals \u0026amp; Downloads\u003c\/h2\u003e\n\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0658\/1297\/files\/M_SERIES_PRO_AUDIO_MANUAL.pdf?v=1787155184\"\u003eM8S Manual\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch2\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCast Aluminum Basket\u003c\/li\u003e\n\u003cli\u003eKapton Coil Former\u003c\/li\u003e\n\u003cli\u003e1.5\" Copper Voice Coil\u003c\/li\u003e\n\u003cli\u003eNeodymium Magnet\u003c\/li\u003e\n\u003cli\u003eVented \u0026amp; Extended Core\u003c\/li\u003e\n\u003cli\u003ePaper Cone\u003c\/li\u003e\n\u003cli\u003eFlat Foam Surround Cone Edge\u003c\/li\u003e\n\u003cli\u003eAluminum Phase Plug \/ Heat Sink for Heat Dissipation\u003c\/li\u003e\n\u003cli\u003eUltra Shallow 2.4\" Mounting Depth\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eSPECIFICATIONS\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n   \n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRMS Watts\u003c\/td\u003e\n\u003ctd\u003e140 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Power\u003c\/td\u003e\n\u003ctd\u003e300 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonance Frequency (Fo)\u003c\/td\u003e\n\u003ctd\u003e122 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUsable Frequency Range\u003c\/td\u003e\n\u003ctd\u003e100Hz-7KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e98 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice Coil Diameter\u003c\/td\u003e\n\u003ctd\u003e1.5\" \/ 38.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Impedance\u003c\/td\u003e\n\u003ctd\u003e4 Ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReference Efficiency (η₀)\u003c\/td\u003e\n\u003ctd\u003e1.78%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Resistance (Re)\u003c\/td\u003e\n\u003ctd\u003e2.6 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical Q (Qms)\u003c\/td\u003e\n\u003ctd\u003e1.162\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBasket Materials\u003c\/td\u003e\n\u003ctd\u003eCast Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone Composition\u003c\/td\u003e\n\u003ctd\u003ePaper Cone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Diameter\u003c\/td\u003e\n\u003ctd\u003e210mm \/ 8.267\" \n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e182mm \/ 7.165\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e61mm \/ 2.40\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet OD\u003c\/td\u003e\n\u003ctd\u003e104mm \/ 4.094\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eMore from Massive Audio\u003c\/h2\u003e\u003cp\u003eExplore these related options. Compare specifications and vehicle fitment when choosing an alternative or planning an installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompare: \u003ca href=\"\/products\/massive-audio-mc6r-6-5-400-watt-rms-8-ohm-mid-range-speaker-cast-basket\"\u003eMassive Audio MC6R - 6.5\" 400 Watt RMS 8 Ohm Mid-Range Speaker Cast Basket\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/massive-audio-m6s-mid-range-shallow-mount-speaker\"\u003eMassive Audio M6S - 6.5\" 130 Watt 4 Ohm Mid-Range Shallow Mount Speaker\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/massive-audio-ma6-mid-range-speaker\"\u003eMassive Audio MA6 - 6.5\" 140 Watt 8 Ohm Mid-Range Speaker (Lower SQ Frequencies)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Massive Audio","offers":[{"title":"Default Title","offer_id":46301059022933,"sku":"M8S","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0947\/5040\/files\/IMG_1753_M.png?v=1791471323","url":"https:\/\/speedzone-web.com\/products\/massive-audio-m8s-mid-range-shallow-mount-speaker","provider":"Speedzone Performance LLC","version":"1.0","type":"link"}