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Radial Engineering BigShot I/O Selector Switch

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The Radial BigShot i/o is an easy-to-use instrument selector switch that lets you quickly transition between any two instruments and drive the signal to your amp. Because the i/o is 100% true-bypass, ... Read More

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    Pro Coverage Eligible Pro Coverage will repair or replace your gear quickly and get you back playing, gigging and recording as fast as possible-even accidental damage from drops or spills is covered.
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    Easy Returns If you're not happy with your purchase, we give you 30 days to return it for a full refund or exchange.

The Radial BigShot i/o is an easy-to-use instrument selector switch that lets you quickly transition between any two instruments and drive the signal to your amp. Because the i/o is 100% true-bypass, it addresses the needs of the most demanding purist.
To further enhance connectivity, input-B is equipped with a level control called DIM that lets you reduce the signal from the louder of your two instruments so that both instruments are matched to the same volume level when they reach the amplifier. When passive instruments are used, a unique 'bright' switch lets you compensate for high frequency loss due to longer cables.

To enhance onstage functionality, the BigShot i/o is equipped with a tuner output. With a simple foot stomp on the MUTE switch, the sound going to the amp is turned off and diverted to the tuner for quiet onstage adjustments. An 'always on' switch also permits on-the-fly quiet tuning should you wish to have the tuner on at all times.

Compact, extremely rugged and completely passive, the BigShot i/o does not require any powering to make it work. This makes it ideal for pedalboards where the use of batteries or power supplies is painful! The BigShot i/o is also perfect for all you instruments and hi-Z line-level signal switching.

  • Toggle two instruments with single foot stomp
  • Adjustable volume control to match levels
  • Separate tuner output and mute switch
  • Compact and rugged for pedalboards
90 day warranty on footswitch and tubes. One year warranty on all other products.

Pro Coverage gives you added warranty protection for your new gear. Stepping in where the manufacturer's "normal wear and tear" coverage ends, our Pro Coverage program offers you upgraded coverage if your product ever fails Read More.

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  • Accidental damage protection (new gear only)
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  • 100% coverage for commercial use
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  • No lemon guarantee
  • Free transfer of coverage to a new owner
  • Repair costs covered for up to three years from date of purchase
  • Repair authorization-toll-free by phone or via the web
  • Customer Reviews


by PowerReviews

(based on 4 reviews)

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Reviewed by 4 customers

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(1 of 1 customers found this review helpful)


Great little switch

By Daniel James

from Austin, TX

I use this live to switch between my keyboard and guitar, both of which feed into the same effect chain. No tone degradation that I've noticed. The dim option is great for matching levels between the instruments. Nice that it doesn't require power. Better than a mixer in that I don't have to worry about crossover tones; e.g. when I switch to keys and put the guitar down. I highly recommend it!

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Smaller than it looks

By Daniel Fowler

from Kansas City

My current setup has me running my electric and acoustic into the same amp. Because of this, I was doing a lot of unplugging and rep lugging on stage. I wanted a switch that took the work out of it. This one fit just right. Plus, it is much smaller than it seems in the photos. With no need to power the switch, I'm even more impressed with how well it works. No tone loss and very easy plug and play.

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(3 of 3 customers found this review helpful)


Does what it said it would. Nicely

By small time guitarist

from St. Petersburg, FL

Although a bit pricey, the unit does what it said it would. I have not used the DIM feature (yet). But all in all, when I considered the time it would take for me to make one for myself (and work out all the kinks by doing so) I got something better than what I originally I wanted when I purchased this product. The Tuner switch is a really great feature. Allows me to keep my tuner plugged in on stage and within seconds (like between songs) I can check the tuning if I need to without changing volume levels on my instruments. This is especially useful when switching between 2 guitars and playing outdoors where the climate can untune a guitar or bass that was tuned prior to use. I would like to see Radial make an extension to this product (with DIM s for each input) for when I need to use 3 or more guitars. (ie Electric, Classical, Dreadnought, ++)

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(3 of 4 customers found this review helpful)


The Greatest A/B switch

By Tony W.

from Baltimore, Maryland

I have had several other A/B switches and this is the BEST. I highly recommend this product!!

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