Apr 30, 2025 · Passive DI boxes utilize a transformer to match the instrument’s output impedance to the input impedance of a microphone preamp. Passive DIs are ideal for instruments with …

Oct 21, 2022 · One such device that handles all of this beautifully is the Radial ProAV1, a passive direct box with 1/4", RCA, and 1/8" stereo connectors for instruments, tablets, iPods, and …

In more technical terms, a passive direct box acts essentially as a transformer. In doing this, it isolates the audio signal and eliminates the 60-cycle hum from ground loops.

The ProDI is a passive direct box designed for use on stage or in home recording studios, with the ability to handle high output instruments without distortion, and a transformer-isolated output to …

Jan 16, 2025 · 【Impedance Matching & Hum Elimination】 Advanced impedance transformer ensures seamless connectivity between 1/4" instruments and XLR mixers/amps. Eliminates …

What is a Passive Direct Box? A passive direct box, also known as a passive DI box or simply a passive DI, is an audio device used in professional audio setups to convert high-impedance …

If you're running a high-output instrument like an electric guitar, bass, or keyboard, a passive DI box is a simple and reliable way to clean up your signal. These boxes don’t need power and …

Jun 30, 2025 · DI boxes come in two flavors: Active and Passive. Which one is right for you? Learn all about the differences between Active vs. Passive DI Boxes and when to use which.

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The JDI is a high performance passive direct box for live concert touring and professional studio recording applications, featuring a premium Jensen transformer for exceptional audio …