![](https://www.radialeng.com/wp-content/uploads/2018/04/pro48-input-768x641.jpg)
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1/4” Input
Instument connection to the Pro48.
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-15dB Pad
Reduces the input sensitivity for active basses and high output keyboards.
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Phantom Power LED
Light to confirm phantom-power is present and the Pro48 is working.
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Thru
Instrument through-put to an amp. Hi-impedance thru will not load-down instrument’s tone.
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![](https://www.radialeng.com/wp-content/uploads/2018/04/pro48-output-768x641.jpg)
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Book End Design
Creates a protective zone around the jacks and switches.
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XLR Out
Balanced 175Ω mic-level output, feeds mixers or mic preamp.
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Ground
Lifts pin-1 at XLR to reduce hum and buzz caused by ground loops.
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Powder Coat
Durable finish keeps your Pro48 looking great for years.
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