{"product_id":"ds18-6-5-250-watts-rms-4-ohm-high-sensitivity-pro-loudspeaker-w-ferrite-magnet","title":"DS18 6.5” 250 Watts RMS 4-Ohm High-Sensitivity Pro Loudspeaker w\/ Ferrite Magnet","description":"\u003cul\u003e\n\u003cli\u003eHIGH POWER MIDRANGE PERFORMANCE: DS18 6PRO500MR-4 delivers 250W RMS \/ 500W MAX for aggressive, high-output sound in pro audio and SPL systems\u003c\/li\u003e\n\u003cli\u003eEXTREME 103DB SENSITIVITY: Ultra-efficient design produces louder output with less power, making it ideal for high-volume builds\u003c\/li\u003e\n\u003cli\u003eCLEAR VOCALS AND STRONG PROJECTION: Wide 100Hz–12.5kHz frequency range allows vocals and instruments to cut through heavy bass systems\u003c\/li\u003e\n\u003cli\u003eFERRITE MOTOR WITH COPPER RING: Strong motor structure with demodulating ring reduces distortion and improves overall sound clarity\u003c\/li\u003e\n\u003cli\u003eHIGH-TEMP 1.75\" VOICE COIL: Kapton former with CCAW winding increases durability and maintains performance under heavy load\u003c\/li\u003e\n\u003cli\u003eBUILT FOR LOUD SYSTEMS: Steel basket and cloth surround provide long-lasting reliability in daily and competition builds\u003c\/li\u003e\n\u003cli\u003eOPTIMIZED FOR PRO AUDIO APPLICATIONS: Designed for amplified systems requiring strong midrange presence and output\u003c\/li\u003e\n\u003cli\u003eREQUIRES HIGH PASS FILTER: Recommended crossover at 140Hz or higher to protect the speaker and ensure clean performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eDS18 6.5†250 Watts RMS 4-Ohm High-Sensitivity Pro Loudspeaker w\/ Ferrite Magnet\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eThis listing includes\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003e(1) DS18 6PRO500MR-4 6.5†Midrange Speaker\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003eIf your system sounds loud but your vocals disappear†this is the fix.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eThe DS18 6PRO500MR-4 is built for projection, clarity, and raw midrange authority.\u003cbr\u003e\u003cbr\u003e\n103dB sensitivity means it doesn’t just play†it cuts through everything else in the system.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eThis is not a “fill speaker.â€\u003cbr\u003e\u003cbr\u003e\nThis is your front-stage weapon.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eThe DS18 6PRO500MR-4 is built for one thing—output. With 250W RMS power handling and ultra-high 103dB sensitivity, this 6.5†pro audio midrange cuts through any system with aggressive, crystal-clear sound.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eDesigned for high-output builds, it delivers strong vocal projection and instrument clarity while maintaining control at extreme volume levels. Whether you're building a loud daily or an all-out SPL setup, this speaker brings serious midrange authority.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003e250W RMS \/ 500W MAX power handling\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003e103dB ultra-high sensitivity (LOUD with less power)\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eWide frequency response: 100Hz – 12.5kHz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eFerrite motor for strong, consistent output\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCopper demodulating ring reduces distortion\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003e1.75†Kapton voice coil (heat-resistant, efficient)\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCloth surround for durability in high-output systems\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eBuilt for SPL and aggressive daily builds\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eNominal Diameter: 6.5\" (165mm)\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMidrange Loudspeaker Speaker\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eRMS: 250 Watts\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMax: 500 Watts\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eImpedance: 4 Ohms\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSold As: Single\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSensitivity (1W\/1M): 103 dB\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eFrequency Response: 100Hz – 12.5kHz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eRecommended High-Pass Crossover: 140Hz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eVoice Coil: 1.75\" Kapton \/ CCAW\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMagnet: Ferrite (48 oz)\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMagnet Type: Ferrite\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMagnet Weight: 48 oz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eDemodulating Ring: Copper Ring\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eVoice Coil Diameter: 1.75\" (44.5mm)\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eVoice Coil Former: Kapton\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eWinding Material: CCAW\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCone Material: Paper\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCone Shape: Curvilinear\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSurround Material: Cloth\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSpider Diameter: 3.8\" (96mm)\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eDust Cap Material: Paper\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eBasket Material: Steel\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eBasket Finish: Black\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSpeaker Terminals: Push Terminal (16ga compatible)\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eLeads Connection: Spider Crossed\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eThiele \u0026amp; Small Parameters\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eFs (Resonance Frequency): 130Hz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eQms (Mechanical Factor): 1.17\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eQes (Electrical Factor): 0.32\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eQts (Total Factor): 0.25\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eVas (Equivalent Volume): 7.25L \/ 0.256 ft\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eXmax (One Way Excursion): 1.1mm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eBL Factor: 7.95\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMms (Mechanical Mass): 7.59g\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCms (Compliance): 0.19 mm\/N\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eLe (Inductance): 0.33mH\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eRe (DC Resistance): 3.2 Ohms\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSd (Cone Area): 165.13 cm\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eOverall Diameter: 6.85\" (174mm)\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eOverall Depth: 3.6\" (92mm)\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMounting Depth: 3.36\" (85mm)\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCutout Diameter: 5.9\" (150mm)\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMotor Diameter: 5.5\" (140mm)\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat It Is Best For\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eLoud door builds\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSPL setups\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSystems that need \u003cstrong\u003evocals to punch through bass\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003ePairing with tweeters for full pro-audio front stage\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Setup Note: These are NOT full-range speakers\u003c\/strong\u003e.\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eYou MUST run a \u003cstrong\u003ehigh-pass crossover at 140Hz or higher\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eDo NOT run off head unit power\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eThese are designed for \u003cstrong\u003eamplified pro audio setups\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e","brand":"DS18","offers":[{"title":"Default Title","offer_id":48144654631160,"sku":"DS-6PRO500MR-4","price":89.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0029\/9384\/8365\/files\/b5fa5001f5f2c69540dc6a060393d80b59d4e2a30c7313c585e588eaf4c1420c.jpg?v=1774626660","url":"https:\/\/bigjeffaudio.com\/products\/ds18-6-5-250-watts-rms-4-ohm-high-sensitivity-pro-loudspeaker-w-ferrite-magnet","provider":"Big Jeff Online Inc","version":"1.0","type":"link"}