The Radial ProAV1 is a professional passive AV direct box designed to interface consumer and professional audio sources with PA systems and mixers. It features a stereo-to-mono summing circuit, making it ideal for AV, corporate, education, houses of worship, and live sound applications where multiple source types need reliable, noise-free integration.
Key Features
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Passive AV DI – no power or batteries required
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Stereo-to-mono mix capability for summed output
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Accepts multiple input formats:
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RCA (L/R) for consumer devices
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3.5 mm TRS for laptops, tablets, and phones
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XLR for professional line-level sources
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High-quality transformer isolation to reduce hum and ground loops
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Converts unbalanced signals to balanced XLR output
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Ground lift for additional noise control
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Rugged steel enclosure for touring, rental, and permanent installs
Specifications
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Type: Passive AV Direct Box
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Channels: Stereo input with mono summing
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Inputs: RCA (L/R), 3.5 mm TRS, XLR
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Output: Balanced XLR (mono)
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Ground lift: Yes
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Power requirement: None
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Applications: AV systems, laptops, media players, conference rooms, live sound
Typical Applications
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Corporate AV and conferencing
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Houses of worship
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Education and lecture halls
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Playback from laptops and media devices into mixers
