{"product_id":"radial-engineering-jdi-duplex","title":"Radial Engineering JDI Duplex","description":"\u003ch3\u003eRadial Engineering JDI Duplex – Dual-Channel Premium Passive DI with Jensen Transformers\u003c\/h3\u003e\n\u003cp\u003eThe Radial Engineering JDI Duplex is a premium two-channel passive direct box designed for pristine signal integrity in demanding professional environments. Equipped with dual Jensen nickel-core transformers, the JDI Duplex delivers unmatched clarity, phase accuracy, and noise isolation—ideal for keyboards, acoustic instruments, bass, synthesizers, and stereo playback devices. Built with Radial’s legendary tank-like construction, it is a long-term investment for studios, touring rigs, and broadcast facilities.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Jensen transformers:\u003c\/strong\u003e Provide ultra-linear frequency response with minimal phase distortion and zero saturation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue passive isolation:\u003c\/strong\u003e Eliminates hum, buzz, and ground-loop noise across both channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-channel stereo design:\u003c\/strong\u003e Perfect for keyboards, stereo instruments, or dual mono sources.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePad \u0026amp; Sum switches:\u003c\/strong\u003e -15 dB pads handle high-output instruments; Sum Mono combines stereo sources when needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged steel chassis:\u003c\/strong\u003e 14-gauge welded I-beam construction with bookend design protects switches and connectors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCustomer Benefits\u003c\/h4\u003e\n\u003cp\u003eThe JDI Duplex preserves the pure tone of your instruments with exceptional detail and dynamic accuracy. Its dual-channel design replaces two separate DI boxes, simplifying setup while delivering world-class audio quality for stereo rigs and multi-instrument performers.\u003c\/p\u003e\n\u003ch4\u003eQuick Specs\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Two-channel passive DI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransformers:\u003c\/strong\u003e Jensen nickel-laminated core\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 10 Hz – 40 kHz (flat)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePads:\u003c\/strong\u003e -15 dB on each channel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInputs:\u003c\/strong\u003e 2 × 1\/4\" Hi-Z + 2 × thru jacks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutputs:\u003c\/strong\u003e 2 × balanced XLR (lo-Z)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSum Mono:\u003c\/strong\u003e Converts thru to dual-input mono mode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e 14-gauge steel, bookend protective design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhat’s in the Box\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eRadial Engineering JDI Duplex\u003c\/li\u003e\n\u003cli\u003eUser documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eUse Cases \/ Ideal For\u003c\/h4\u003e\n\u003cp\u003eStereo keyboards, digital pianos, synthesizers, acoustic instruments, bass guitars, playback devices, studio tracking, broadcast rigs, and touring FOH setups.\u003c\/p\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eWorks with any mixer, stage box, or audio interface. Perfect for long cable runs and high-output instruments without distortion or noise.\u003c\/p\u003e\n\u003ch4\u003ePros \u0026amp; Cons\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e✅ Pros:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIndustry-leading clarity thanks to Jensen transformers\u003c\/li\u003e\n\u003cli\u003eStereo\/dual-mono flexibility\u003c\/li\u003e\n\u003cli\u003eExtremely rugged touring-grade build\u003c\/li\u003e\n\u003cli\u003eZero-power passive operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e⚠️ Cons:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore expensive than basic DI boxes\u003c\/li\u003e\n\u003cli\u003ePassive design may be less optimal for very low-output pickups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Radial JDI Duplex delivers unmatched fidelity, isolation, and reliability for stereo and dual-channel DI applications—available now at Soundium.\u003c\/p\u003e","brand":"Radial Engineering","offers":[{"title":"Default Title","offer_id":54242830123276,"sku":"RE-JDI-DUPLEX","price":499.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/7416\/0652\/files\/radial-engineering-jdi-duplex-hero.jpg?v=1778058239","url":"https:\/\/soundium.com\/nl\/products\/radial-engineering-jdi-duplex","provider":"Soundium","version":"1.0","type":"link"}