{"product_id":"ds18-6pro300mr-4-6-5-300w-max-power-4-ohm-car-audio-mid-range-loudspeaker-copy","title":"D618 6.5” High-Sensitivity Midrange Loudspeaker Ferrite Magnet | 250W RMS 4-Ohm","description":"\u003ch1\u003e\n\u003cspan\u003eD618 6.5” High-Sensitivi\u003c\/span\u003e\u003cwbr\u003e\u003cspan\u003ety Midrange Loudspeaker Ferrite Magnet | 250W RMS 4-Ohm\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan style=\"font-family: Tahoma; font-size: large;\"\u003eMid-Range Authority\u003cbr\u003eThe 6PRO500MR-4 is a 6.5” high-sensitivity professional mid-range engineered for serious output. With 250W RMS and 500W MAX power handling at 4 ohms, this speaker delivers aggressive, commanding mids that stay clear at extreme volume.\u003cbr\u003e\u003cbr\u003ePower and Precision\u003cbr\u003eFeaturing a ferrite motor structure, the 6PRO500MR-4 achieves 103 dB sensitivity and a 100 Hz–12.5 kHz frequency response. Vocals and instruments project forward with intensity while maintaining tonal accuracy.\u003cbr\u003e\u003cbr\u003eBuilt for Loud Systems\u003cbr\u003eA 1.75” Kapton voice coil with CCAW winding improves thermal handling and efficiency. The integrated copper demodulating ring reduces distortion, keeping your mids clean and controlled even under heavy load.\u003cbr\u003e\u003cbr\u003eCompetition Ready\u003cbr\u003eA steel basket provides structural rigidity while keeping weight down. The cloth surround ensures durability, making this mid-range ideal for daily drivers and high-output builds alike.\u003cbr\u003e\u003cbr\u003eEngineered for Extreme Output\u003cbr\u003eDesigned for high-output applications, the 6PRO500MR-4 is built for enthusiasts who demand projection, efficiency, and reliability. Available in 6”, 8”, and 6x9” options to match your system’s needs.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan style=\"font-family: Tahoma; font-size: large;\"\u003e\u003cb\u003eGeneral Specifications\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: Tahoma; font-size: large;\"\u003eNominal Diameter: 6.5\" (165 mm)\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eNominal Impedance: 4 Ohms\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eRMS Power Handling: 250W\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eMax Power Handling: 500W\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eSensitivity (1W\/1M): 103 dB\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eFrequency Response: 100 Hz – 12.5 kHz\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eRecommended High-Pass Crossover: 140 Hz\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eConfiguration: Sold Individually\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eDemodulating Rings: Copper Ring\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eCone Shape: Curvilinear\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eSpeaker Terminals: Push Type (16 AWG)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: Tahoma; font-size: large;\"\u003e\u003cb\u003eMotor \u0026amp; Construction\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: Tahoma; font-size: large;\"\u003eVoice Coil Diameter: 1.75\" (44.5 mm)\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eVoice Coil Former Material: Kapton\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eWinding Material: CCAW (Copper-Clad Aluminum Wire)\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eCone Material: Paper\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eDust Cap Material: Paper\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eSurround Material: Cloth\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eSpider Diameter: 3.8\" (96 mm)\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eLeads Connection Type: Spider Crossed\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eBasket Material: Steel\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eBasket Finish: Black\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eMagnet Material: Ferrite\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eMagnet Weight: 48 oz\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: Tahoma; font-size: large;\"\u003e\u003cb\u003eThiele \u0026amp; Small Parameters\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: Tahoma; font-size: large;\"\u003eEquivalent Volume (Vas): 7.25 L \/ 0.256 ft³\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eExcursion (Xmax, one way): 1.1 mm\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eFree Air Resonance (Fs): 130 Hz\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eMechanical Q (Qms): 1.17\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eElectrical Q (Qes): 0.32\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eTotal Q (Qts): 0.25\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eMechanical Mass (Mms): 7.59 g\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eMechanical Compliance (Cms): 0.19 mm\/N\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eBL Factor: 7.95\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eVoice Coil Inductance (Le): 0.33 mH\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eCone Area (Sd): 165.13 cm²\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eDC Resistance (Re): 3.2 Ohms\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: Tahoma; font-size: large;\"\u003e\u003cb\u003eMeasurements\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: Tahoma; font-size: large;\"\u003eOverall Diameter: 6.85\" (174 mm)\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eOverall Depth: 3.6\" (92 mm)\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eFront Mount Baffle Cutout: 5.9\" (150 mm)\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eMounting Depth: 3.36\" (85 mm)\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eMotor Diameter: 5.5\" (140 mm)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"DS18","offers":[{"title":"Default Title","offer_id":47495173996578,"sku":"6PRO500MR-4","price":94.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/3472\/1600\/files\/1_3836b582-1a0e-4e48-913b-53fa43abe0b6.webp?v=1789023225","url":"https:\/\/www.eastcaraudio.net\/products\/ds18-6pro300mr-4-6-5-300w-max-power-4-ohm-car-audio-mid-range-loudspeaker-copy","provider":"East Car Audio","version":"1.0","type":"link"}