{"product_id":"radial-engineering-jdi-mono","title":"Radial Engineering JDI (Mono)","description":"\u003ch3\u003eRadial Engineering JDI – Premium Mono Passive DI with Jensen Transformer\u003c\/h3\u003e\n\u003cp\u003eThe Radial Engineering JDI is a world-class passive direct box designed for pristine, phase-accurate signal conversion in studio, stage, and broadcast environments. Powered by a legendary Jensen transformer, the JDI delivers exceptionally natural, uncolored tone while eliminating hum, buzz, and noise caused by ground loops. Built to withstand decades of professional use, it is widely regarded as the industry standard for passive DI performance.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eJensen nickel-core transformer:\u003c\/strong\u003e Delivers ultra-linear performance with minimal phase distortion and exceptional clarity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue passive design:\u003c\/strong\u003e No power needed—perfect for high-output instruments such as keyboards, basses, and acoustic guitars.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% isolation:\u003c\/strong\u003e Eliminates ground-loop hum and noise for clean, reliable signal transfer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMerge function:\u003c\/strong\u003e Sums stereo sources (e.g., keyboards) into a mono output when mixer channels are limited.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged steel construction:\u003c\/strong\u003e Dual-layer 14-gauge steel chassis with protective bookend design for extreme durability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCustomer Benefits\u003c\/h4\u003e\n\u003cp\u003eThe JDI preserves the pure sound of your instrument better than standard passive DI boxes thanks to its premium transformer and perfectly linear frequency response. Musicians and engineers gain reliable, noise-free operation and consistent results in any environment.\u003c\/p\u003e\n\u003ch4\u003eQuick Specs\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Mono passive DI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransformer:\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\u003ePad:\u003c\/strong\u003e -15 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInputs:\u003c\/strong\u003e 1 × 1\/4\" Hi-Z instrument input + 1 × thru\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutputs:\u003c\/strong\u003e Balanced XLR (lo-Z)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMerge Switch:\u003c\/strong\u003e Sums stereo (via input + thru) to mono\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis:\u003c\/strong\u003e 14-gauge welded steel\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 (Mono)\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\u003eBass guitar, acoustic guitar, keyboards, synthesizers, drum machines, playback devices, and professional touring or studio setups.\u003c\/p\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eWorks flawlessly with mixers, audio interfaces, and stage boxes. Ideal for long cable runs and environments sensitive to 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\u003eBest-in-class transformer sound quality\u003c\/li\u003e\n\u003cli\u003eNo distortion even with high-output sources\u003c\/li\u003e\n\u003cli\u003eExceptionally durable for touring\u003c\/li\u003e\n\u003cli\u003eNoise-free operation thanks to full isolation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e⚠️ Cons:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNot ideal for very low-output passive instruments (active DI recommended)\u003c\/li\u003e\n\u003cli\u003eHigher cost than entry-level DI boxes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Radial JDI stands as one of the finest passive DI boxes ever built—trusted by professionals who demand unmatched accuracy and reliability. Available now at Soundium.\u003c\/p\u003e","brand":"Radial Engineering","offers":[{"title":"Default Title","offer_id":54242830614796,"sku":"RE-JDI-MONO","price":279.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/7416\/0652\/files\/radial-engineering-jdi-mono-hero.jpg?v=1778058245","url":"https:\/\/soundium.com\/de\/products\/radial-engineering-jdi-mono","provider":"Soundium","version":"1.0","type":"link"}