{"product_id":"jack-a4-wg","title":"JACK A4 - WG Automatic Single Needle Lockstitch Sewing Machine with Voice Feedback","description":"\u003c!-- JMJ HTML ficha técnica --\u003e\n\u003cstyle\u003e\n@keyframes pulseJMJ {\n  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(249,115,22,0.55); }\n  70% { transform: scale(1.02); box-shadow: 0 0 0 12px rgba(249,115,22,0); }\n  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(249,115,22,0); }\n}\n\u003c\/style\u003e\n\u003ch2 style=\"margin-bottom: 10px;\"\u003eJACK® A4-WG - Fully Automatic Direct Drive Lockstitch Sewing Machine\u003c\/h2\u003e\n\u003cdiv style=\"margin: 16px 0; padding: 14px 18px; border: 2px solid #f97316; border-radius: 10px; background: #fff7ed; text-align: center; animation: pulseJMJ 2s infinite;\"\u003e\n\u003cp style=\"margin: 0; font-weight: 800; font-size: 17px; color: #f97316;\"\u003e✔ COMPLETE ASSEMBLED WITH TABLE AND STAND INCLUDED\u003c\/p\u003e\n\u003cp style=\"margin: 6px 0 0; font-size: 14px; color: #333;\"\u003eReady to sew. No setup needed. Professional installation included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-bottom: 12px; font-weight: 500;\"\u003eDirect Drive • Automatic Thread Trimming • Digital Control\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 16px;\"\u003eThe \u003cstrong\u003eJACK® A4\u003c\/strong\u003e-\u003cstrong\u003eWG\u003c\/strong\u003e \u003cspan style=\"font-size: 0.875rem;\"\u003eis a fully automatic industrial lockstitch sewing machine designed for high-speed production and professional sewing applications. Equipped with a \u003c\/span\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003ebuilt-in Direct Drive servo motor\u003c\/strong\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e, digital control panel, automatic thread trimming, and electronic presser foot lift, the A4 delivers exceptional sewing performance with reduced noise and energy consumption.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 16px;\"\u003eDesigned for light to medium-weight fabrics, the JACK A4 is equally suitable for high-volume garment production facilities and professional sewing workshops. Its integrated automation features improve efficiency while maintaining consistent stitch quality.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"margin-bottom: 8px;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"margin-bottom: 16px; padding-left: 18px;\"\u003e\n\u003cli\u003eBuilt-in Direct Drive servo motor.\u003c\/li\u003e\n\u003cli\u003eDigital control panel.\u003c\/li\u003e\n\u003cli\u003eAutomatic thread trimming.\u003c\/li\u003e\n\u003cli\u003eElectronic presser foot lift.\u003c\/li\u003e\n\u003cli\u003eAutomatic needle positioning (up\/down).\u003c\/li\u003e\n\u003cli\u003eElectronic and manual stitch length adjustment.\u003c\/li\u003e\n\u003cli\u003eIntegrated LED sewing light with adjustable brightness.\u003c\/li\u003e\n\u003cli\u003eAutomatic lubrication system.\u003c\/li\u003e\n\u003cli\u003eQuiet, energy-efficient operation.\u003c\/li\u003e\n\u003cli\u003eIdeal for continuous industrial production.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3 style=\"margin-bottom: 8px;\"\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"margin-bottom: 16px; padding-left: 18px;\"\u003e\n\u003cli\u003eGarment manufacturing.\u003c\/li\u003e\n\u003cli\u003eFashion apparel.\u003c\/li\u003e\n\u003cli\u003eUniforms and workwear.\u003c\/li\u003e\n\u003cli\u003eLight to medium-weight woven fabrics.\u003c\/li\u003e\n\u003cli\u003eProfessional tailoring shops.\u003c\/li\u003e\n\u003cli\u003eIndustrial sewing production.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3 style=\"margin-bottom: 8px;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 16px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003eJACK® A4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eMachine Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003eSingle Needle Lockstitch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eMotor Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003eIntegrated Direct Drive Servo Motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eMaximum Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e5,000 Stitches Per Minute\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eMaximum Stitch Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003ePresser Foot Lift\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e5 mm by Hand \/ 9 mm Electronic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eNeedle System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003eDB×1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eRecommended Needle Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e#11 – #18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eThread Trimming\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003eAutomatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eNeedle Positioning\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003eAutomatic Up \/ Down\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eLighting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003eIntegrated LED with Adjustable Brightness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eLubrication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border-bottom: 1px solid #ddd;\"\u003eAutomatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3 style=\"margin-bottom: 8px;\"\u003eWhat's Included\u003c\/h3\u003e\n\u003cul style=\"margin-bottom: 16px; padding-left: 18px;\"\u003e\n\u003cli\u003eJACK® A4 Machine Head\u003c\/li\u003e\n\u003cli\u003eIndustrial Table Top\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Steel Stand\u003c\/li\u003e\n\u003cli\u003eIntegrated Direct Drive Servo Motor\u003c\/li\u003e\n\u003cli\u003eLED Sewing Light\u003c\/li\u003e\n\u003cli\u003eThread Stand\u003c\/li\u003e\n\u003cli\u003eInstruction Manual\u003c\/li\u003e\n\u003cli\u003eStarter Kit with Needles, Bobbins, and Basic Tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003eThe \u003cstrong\u003eJACK® A4\u003c\/strong\u003e combines speed, automation, and reliability in a modern industrial lockstitch machine. With its Direct Drive technology, automatic functions, and digital controls, it is an excellent choice for manufacturers seeking productivity, precision, and energy efficiency.\u003c\/p\u003e","brand":"JMJ SEWING MACHINES","offers":[{"title":"Default Title","offer_id":53426029265190,"sku":null,"price":1290.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0969\/5825\/1302\/files\/ChatGPTImage1jul2026_12_44_10.png?v=1782924267","url":"https:\/\/jmjsewingmachines.com\/products\/jack-a4-wg","provider":"JMJ SEWING MACHINES","version":"1.0","type":"link"}