The Livewire PDI Double Shielded Heavy Duty Passive Direct Box is a professional-grade audio interface designed for reliable signal control in demanding live sound and installation environments. Its passive construction requires no external power while providing dependable attenuation and isolation for balanced and unbalanced audio signals. Double internal shielding helps reduce electromagnetic and radio-frequency interference, supporting clean signal transmission in electrically noisy setups. Built with a rugged enclosure and road-ready components, this unit is well suited for touring systems, broadcast applications, and fixed installations where durability, consistency, and noise reduction are critical.

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