{"product_id":"soundqubed-hds-mb8-4","title":"SoundQubed HDS-MB8-4 8\" HDS Series Midbass W\/ Water Resistant Dome Cap 4ohm, 150w\/300w","description":"\u003cp\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e HDS-MB8-4   \u003cstrong\u003eSold as:\u003c\/strong\u003e Each\u003c\/p\u003e\u003cp\u003e8\" HDS Series Midbass with Water Resistant Dome Cap - 1.5\" 4 ohm Voice Coil 150w\/300w Frequency Response 60Hz - 5KHz\u003c\/p\u003e\u003cp\u003eThe SoundQubed HDS-MB8-4 is an 8” mid-bass loudspeaker engineered for powerful, weather-resistant performance in any application. Delivering 150W RMS and 300W peak power, this 4-ohm driver features a high-efficiency 97dB sensitivity and a wide 60Hz–5kHz frequency response for tight, punchy mids and upper bass. Built with a coated IP65 water-resistant paper cone, cloth surround, and rugged steel basket, it’s designed to thrive in outdoor, marine, or off-road builds. A 1.5” Kapton voice coil and spider-crossed leads ensure durability under heavy use. Whether in pro audio systems or custom vehicle installs, the HDS-MB8-4 brings clarity and volume with all-weather reliability.\u003c\/p\u003e\u003cp\u003eGeneral Specifications\u003cbr\u003eNominal Diameter: 8\" \/ 203mm\u003cbr\u003eNominal Impedance: 4 ohms\u003cbr\u003eRMS Power Handling: 150W\u003cbr\u003eMAX Power Handling: 300W\u003cbr\u003eSensitivity (1w\/1m): 97dB\u003cbr\u003eFrequency Response: 60Hz-5KHz\u003cbr\u003eRecommended Hi Pass Crossover: 80 Hz\u003cbr\u003eFeatures\u003cbr\u003eCone Shape: Curvilinear\u003cbr\u003eSpeaker Terminals: Spade\u003cbr\u003eWater-Resistant Cone: Coated IP65\u003cbr\u003eMotor Specifications\u003cbr\u003eVoice Coil Diameter: 1.5\" \/ 38.1mm\u003cbr\u003eVC Former Material: Kapton\u003cbr\u003eWinding Material: CCAW\u003cbr\u003eCone Material: Paper\u003cbr\u003eDust Cap Material: Paper\u003cbr\u003eSurround Material: Cloth\u003cbr\u003eLeads Connection Type: Spider Crossed\u003cbr\u003eMagnet Material: Ferrite\u003cbr\u003eMagnet Weight: 20 Oz\u003cbr\u003eDisplacement Volume: 0.48L \/ 0.016ft³\u003cbr\u003eBasket Material: Steel\u003cbr\u003eBasket Color\/Finish: Satin Black\u003cbr\u003eThiele \u0026amp; Small Parameters\u003cbr\u003eEquivalent Volume (Vas): 16.4L \/ 0.579ft³\u003cbr\u003eExcursion (one way) (Xmax): 1.8mm\u003cbr\u003eFree Air Resonance (Fs): 85Hz\u003cbr\u003eMechanical Factor (Qms): 1.62\u003cbr\u003eElectrical Factor (Qes): 0.43\u003cbr\u003eTotal Factor (Qts): 0.34\u003cbr\u003eMechanical Mass (Mms): 13.78g\u003cbr\u003eMechanical Compliance (Cms): 0.25mm\/N\u003cbr\u003eBL Factor (BL): 7.82\u003cbr\u003eVoice Coil Inductance (Le): 0.38mH\u003cbr\u003eCone Area (Sd): 213.82cm²\u003cbr\u003eDC Resistance (Re): 3.5 Ohms\u003cbr\u003eSpeaker Measurements\u003cbr\u003eOverall Diameter: 8.1\" \/ 206mm\u003cbr\u003eOverall Depth: 3.8\" \/ 98mm\u003cbr\u003eFront Mount Baffle Cutout: 7.2\" \/ 182mm\u003cbr\u003eMounting Depth: 3.6\" \/ 92mm\u003cbr\u003eMotor Diameter: 4.5\" \/ 115mm\u003c\/p\u003e","brand":"SoundQubed","offers":[{"title":"Default Title","offer_id":47640280334498,"sku":"HDS-MB8-4","price":94.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0455\/3526\/4930\/files\/HDS-MB8-4_lg.png?v=1789044766","url":"https:\/\/tdscaraudio.com\/products\/soundqubed-hds-mb8-4","provider":"TDS Car Audio","version":"1.0","type":"link"}