The Radial ProDI is a professional passive direct box designed to handle high-output instruments and line-level sources with clarity and reliability. Built for live sound, touring, and installation use, it delivers clean signal conversion with excellent noise rejection, making it a dependable choice for acoustic instruments, electric guitar, bass, and keyboards.
Key Features
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Passive DI box – no power or batteries required
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Handles high-output sources without distortion
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High-quality transformer for natural, transparent sound
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Converts unbalanced signals to balanced XLR for long cable runs
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Ground lift switch to eliminate hum and ground loop noise
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Parallel thru output to feed an on-stage amplifier
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Rugged steel enclosure suitable for touring and rental use
Specifications
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Type: Passive Direct Box (DI)
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Input: 1 × 1/4″ instrument / line input
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Thru output: 1 × 1/4″ parallel output
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Output: 1 × Balanced XLR
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Ground lift: Yes
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Power requirement: None
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Applications: Acoustic guitar, electric guitar, bass guitar, keyboards, line-level sources
Typical Uses
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Stage and live sound setups
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Keyboards and playback rigs
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Bass and guitar signal splitting
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Installed sound and AV systems
