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Studiospares Active DI Box
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Studiospares Active DI Box

Product Code: 448290

The Studiospares active DI box provides you with the facility of converting an unbalanced instrument / line signal to a balanced signal suitable for plugging into the microphone input of a mixer.

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  • Description
  • Specifications
  • Reviews
  • Media

Studiospares Active DI Box - Single Channel


The Studiospares active DI box provides you with the facility of converting an unbalanced instrument / line signal to a balanced signal suitable for plugging into the microphone input of a mixer. This active DI box is able to accept a signal from - keyboard, bass guitar, electric and electro-acoustic guitar, line output from a DJ mixer. It can also help cure hums, ground loops and overloading.

Key Features

  • Single channel (mono) active DI box.
  • Powered using a mixer’s phantom power, or 9V battery (not included).
  • Power switch, bright blue power LED - flashing denotes battery power, solid denotes +48V phantom power.
  • Solid metal construction with rubber corners.
  • Ground lift switch on the output.
  • 20dB pad switch on the input.
  • Link output. Allows musicians to send a clean signal to the front of house, whilst also using their preferred amplifier on stage for their foldback.


Recommended Reading

Want to know more about audio signals? We have written an article about Audio Connection Basics on our Pro Audio Blog, check it out for more information.


Other options:

458180 Studiospares Passive DI Box

449300 Studiospares Dual Passive DI Box

448294 Studiospares Active DI Boxes 4-Pack


Click on our Media tab to see the video for this product.

Interface Inputs: Unbalanced Jack & XLR
Interface Outputs: Balanced XLR & 'Link' for connecting to an amp
Power Input: 9v Battery or Phantom power
Physical Height: 54mm
Physical Width: 132mm
Physical Depth: 142mm
Physical Weight: 0.65kg
Colour: BLACK
Material: Solid metal construction with rubber feet
Warranty: 1 Year
EAN: 5060474470414
MPN: 448290
Customer Reviews
  • Verified Customer
    on 09 November 2017
    Very good performance with level frequency response. Does the job at a very reasonable price. Unusually it gives -6dB attenuation (without the additional attenuation switched in) but unlikely to be a problem in most applications. Also, unlike the Behringer DI-100, the output is not completely isolated - ground lift rather than float, but this has not been an issue in practice.
  • Verified Customer
    on 25 February 2015
    Brilliant build quality for its price! Sturdy and does exactly what it should. The battery holder is a little flimsy, however the features are great for the price.
  • Verified Customer
    on 12 October 2013
    Best DI on the market for value and use
  • Verified Customer
    on 05 April 2013
  • Verified Customer
    on 08 March 2013
    Used for guitar interface. PLUS - Robustly and thoughtfully made. PLUS - Good value for money. MINUS - No info sheet with product. MINUS - No crossed out wheelie bin/RoHS stickers on product.
  • Verified Customer
    on 28 September 2012
    One of our Church's guitarists plugged in to the DI box and heard - nothing; which was far nicer than the 'orrible 'um he'd had the week before. Excellent.
  • Verified Customer
    on 12 May 2012
    Used in live gig situations, the DI box does all its supposed to!
  • Verified Customer
    on 18 January 2012
    Simple to use. Great for taking ground hum out of mic, drum relay's etc
  • Verified Customer
    on 19 November 2011
    This was suggested to me by a musician friend. I bought two to try them at a gig and they worked just as well as I had expected. If you have phantom power then don't fit a battery as it's not obvious what is powering it. After only one gig it's not an extensive test but it seems to do the same as more expensive DI's.
  • Verified Customer
    on 15 July 2011
    On stage; big and small venues. It is always quiet. I had thought that with only one pad it would be a bit limited in some situations but it's been fine to date. Last gig had a pint of (nice) beer dropped on it - it didn't even blink.
  • Verified Customer
    on 26 May 2011
    Using this as part of a live sound set-up where we have a variety of low and high quality pick-ups. Tested this using a fender mandolin with single coil which has always caused problems. It produced a clear and decent level at the mixer gain stage (about 1/4 to 1/3). Solid and heavier than Behringer equilivent and rumoured to be based on BSS equivilent. Only one slight negative point is that the power switch controls power from battery and phantom power but this is not a major issue. Packaging and delivery were great.
  • Verified Customer
    on 19 May 2011
    Use it to DI just about everything I can. Noise results in very hot signals so the pad in this is useful too. Simple, easy and works great.