The Radial JDI is a premium passive direct box designed for professional live sound and studio applications. Renowned for its exceptional audio quality and reliability, it uses a high-performance transformer to deliver clean, natural signal conversion from instruments and line-level sources to balanced XLR, making it ideal for acoustic guitars, bass guitars, and keyboards.
Key Features
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Passive DI box – no power or batteries required
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High-quality transformer for outstanding clarity and wide frequency response
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Handles high output sources such as keyboards and active basses without distortion
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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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15 dB pad for high-level signals
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Extremely low distortion and excellent isolation
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Heavy-duty steel enclosure for touring and rental use
Specifications
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Type: Passive Direct Box (DI)
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Transformer: High-performance audio transformer
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Input: 1/4″ instrument / line input
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Thru output: 1/4″ link output
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Output: Balanced XLR
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Pad: -15 dB
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Ground lift: Yes
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Power requirement: None (passive)
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Application: Acoustic guitar, bass guitar, keyboards, line-level sources
Why Choose the JDI
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Industry standard on professional stages and studios
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Superior sound quality compared to budget passive DI boxes
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Extremely durable and reliable for daily professional use
