Radial Engineering

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Looking for pristine tone and uncompromising reliability? This Used Radial Engineering JDI Passive Direct Box is in Excellent condition and delivers world-class performance for studio or stage. Built with a Jensen audio transformer, it provides exceptionally clean, distortion-free signal transfer while eliminating hum and buzz from ground loops. Featuring a 1/4" input and thru-put, XLR balanced output, and -15dB pad and ground lift switch, the JDI is perfect for bass, keyboards, guitars, and any instrument with line-level outputs. Its passive design means no power required—just plug and play. Housed in a rugged steel chassis, this DI box is known for durability and unmatched sound quality. Don’t miss this opportunity to own a professional-grade direct box trusted by top touring artists and engineers worldwide.