Radial Tonebone Switchbone V2 - ABY/C AMP Selector and Booster

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R800 7081
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3.40 LBS
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  • Radial Engineering Tonebone Switchbone V2 ABY/C AMP Selector and Booster
  • Radial Engineering Tonebone Switchbone V2 ABY/C AMP Selector and Booster - Top View
  • Radial Engineering Tonebone Switchbone V2 ABY/C AMP Selector and Booster - In's and Out's
  • Standard ABY setup
  • Used as an ABC amp selector
  • Used as a channel selector


Amp Selector & Boost Pedal

The Switchbone V2™ gives you the ultimate control over your two or three-amp setup, with the ability to switch between amplifiers silently, eliminate buzz and hum, and activate a high-powered clean boost for soloing.


  • 100% discrete Class-A signal path for exceptional audio
  • Drag™ control load correction for natural tone
  • Opto-coupler for noiseless switching
  • Transformer isolated to eliminate buzz and hum

Control your amps, retain your tone

The Switchbone V2 may well be the ultimate guitar amp switcher. This device lets you switch and combine up to three guitar amplifiers without introducing distortion, switching noise, or hum into the signal path. Most importantly, it will retain the natural tone and feel of your instrument so that your natural playing style shines through. The Switchbone V2 may be used as a standard ABY switcher with both A and B outputs used separately or together, or the tuner output can be repurposed to feed a third amplifier. A built-in power booster at the output delivers up to +18db of ultra-clean boost with the option to add mid-boost for extra sustain when playing lead.

Switchbone V2 Applications

  • Standard ABY setup
    • The Switchbone is a high performance ABY designed to deliver the natural tone of your instrument to your amps without introducing noise or artefact.
  • Used as an ABC amp selector
    • Use the tuner/out-C as a third output to select between three different amps. Transformer isolation and buffered outputs eliminate ground loops and noise.
  • Used as a channel selector
    • For older amps, the Switchbone can be used to drive the two amp channels so that you can toggle between them. Use the Slingshot output to control amp settings like reverb.
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  • Audio circuit type: Discrete Class-A
  • Gain: Unity to +12dB (Baseline gain)
  • Input Impedance: Variable with drag control
  • Output Impedance: 10k Ohm
  • Noise: -111dB


  • 180° polarity reverse, Ground lift, Boost
  • Input Connectors: 1/4" input
  • Output Connectors: 4 1/4" outputs


  • Construction: 14-gauge steel chassis & outer shell
  • Size (L x W x D): 6.62" x 4.5" x 2" (168 x 114 x 51mm)
  • Weight: 2.35lb (1.07kg)
  • Shipping size (L x W x D): 10.75" x 4.75" x 2.5" (273 x 120 x 64mm)
  • Shipping weight: 3.35lbs (1.5kg)
  • Power: 15VDC 400mA, center pole positive
  • Conditions: For use in dry locations only between 5°C and 40°C
  • Warranty: Radial 3-year, transferable
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Additional Information

Cancer and Reproductive Harm www.P65Warnings.ca.gov
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