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Radial ProD2 Stereo Passive Direct Injection DI Box

Stereo direct box designed for keyboards

Availability: In stock

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  • Radial ProD2 Stereo Passive Direct Injection DI Box Details

    The Radial ProD2
    is a compact stereo direct box developed specifically to address the needs and challenges of interfacing a stereo keyboard to a professional audio system.

    This passive DI features two independent channels with separate inputs and thru-puts for the artist's stage amp and two fully isolated outputs for the PA system.

    At the heart of the design are two high performance Radial transformers. These deliver 20Hz to 20kHz performance with less than 1.5dB deviation above 18kHz and are able to withstand tremendous signal levels without distortion.

    Unlike active circuits that overload when the signal exceeds the rail voltage, transformers saturate. This creates a pleasing effect that naturally rounds out the tone, acting like a subtle limiter which is particularly advantageous when interfacing the ProD2 with digital pianos, samplers and drum machines that can produce excessive dynamics. Transformers are particularly adept at eliminating hum and buzz caused by ground loops.

    • Stereo direct box designed for keyboards
    • Smooth, warm sound rounds out digital edge
    • Able to handle huge transients without choking
    • May be rack mounted for touring rigs


    • Audio circuit type:  Passive, transformer based
    • Number of Channels: Single channel (mono)
    • Frequency response: 20Hz ~ 18.5KHz (± 0.2dB) 
    • Dynamic range: 128dB 
    • Maximum input: +18dB @ 20Hz 
    • Total harmonic distortion: 0.01% from 20Hz~20kHz @-10dB
    • Phase deviation: 1° @ 100Hz; 8° @ 20Hz 
    • Input impedance: 100k Ohms, unbalanced
    • Output impedance: 600 Ohms, balanced 
    • Transformer: Radial RT-DBI, 12:1 ratio
    • Shield: Faraday, mu-metal can
    • Input pad: -15dB 
    • Ground lift: Disconnects pin-1 at XLR output 
    • XLR configuration: AES standard (pin-2 hot)
    • Connectors: 1/4" in & thru, XLR-M out
    • Construction: 14 gauge steel chassis & outer shell
    • Finish: Baked enamel
    • Power: Passive, no power required 
    • Size: 83 x 127 x 48 mm
    • Weight: 900 g


  • Detailed Shipping & Return Policy Information

    Postage Prices

    • Free Delivery - 3 to 5 Days
    • Express Delivey ($20) - 1 to 3 Days
    • Store Pick Up (South Melbourne) - Free


    Delivery Time frame

    Soundcorp will ship all goods the first business day once all funds have cleared.


    Refunds and Returns

    Defective or dead on arrival items, will be exchanged within 14 days. Return shipping is the responsibility of the customer.

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