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  • RA-PRO48

    Radial Engineering PRO48 - Active DI

    6 In Stock

    Radial Engineering is a Canadian company know for making high quality solidly built audio tools. In particular great DI's. The Radial Pro48 is a compact high-performance 48V phantom powered active direct box designed specifically for todays high output instruments.

      • Radial PRO48 PRODUCT FEATURES:

        The Pro48's innovative internal switching power supply significantly increases headroom producing less distortion while yielding a smooth, linear response that extends from 20Hz to well above 40kHz. This results in natural, uncolored signal that is as good or better than DI boxes costing several times more. The superior performance makes the Pro48 an ideal candidate for use with battery powered active basses and acoustic guitars that tend to overload other direct boxes.

        The compact Pro48 is built road-ready with 14 gauge steel throughout. A unique book-end™ design creates a protective zones around the switches and connectors while the internal I-beam construction assures outside stress will not torque the PC board and deteriorate solder connections. A full bottom no-slip pads adds mechanical isolation and electrical insulation to further extend the Pro48's lifespan.

        Exceptional sonic performance, great natural tone and an affordable price tag! The Radial Pro48 truly represents a breakthrough in value.




        Specifications are subject to change without notice.

        Audio circuit type:

        Proprietary analog circuit with low-noise op-amp

        Frequency response:

        20Hz ~ 20kHz (± 1.5 dB)

        Signal to noise ratio:


        Dynamic range:


        Noise floor:

        -82dB below 0dBu

        Equivalent input noise:


        Maximum input:


        Phase deviation:

        +28º at 20Hz | +1º at 1kHz | -2º at 20kHz

        Total harmonic distortion:

        0.001% @ 0 dBu

        Inter-modulation distortion:

        0.002% @ 0 dBu

        Input impedance:

        220kΩ - ¼" input

        Output impedance:

        600Ω - XLR output



        Input pad:


        Ground lift:

        Disconnects pin-1 at XLR output

        XLR configuration:

        AES standard (pin-2 hot)




        48V phantom - proprietary digital switching


        14 gauge steel chassis and outer shell


        Durable powder coat

        Size: (W x H x D)

        Size: 2.75" x 4.25" x 1.75" (70 x 108 x 44mm)


        1.2 lb (544 g)

        FCC approval:

        Complies with section 15 of the FCC Rules


        For use in dry locations only between 5°C and 40°C


        Radial 3-year, transferable

    Need more info on the Radial PRO48? Click HERE for the manufacturer's website >>>