Boss RT-20 Rotary Ensemble

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(1 customer review)

The rotary speaker has long been a staple of the classic sound of many legendary guitar heroes. With the Boss RT-20 Rotary Ensemble twin pedal stompbox, Boss lets you add that same vintage effect to your arsenal. Powered by Boss’s Composite Object Sound Modeling (COSM) technology, the RT-20 accurately reproduces the classic sound of a spinning, swirling rotary cabinet. The Boss RT-20 Rotary Ensemble also features onboard overdrive effects, adjustable transition times, and a virtual rotor display.

Brand: BOSS

Color: Black


  • Authentic rotary speaker sounds via COSM technology
  • Slow/Fast transition time is adjustable from gradual to rapid change; optional Expression pedal can
  • Onboard Overdrive effects
  • Adjustable mix balance between Treble Rotor and Bass Rotor
  • 4 types of sounds, from standard rotary speaker effects to rock-oriented tones, UNI-V, and more

Publisher: Boss

Details: From the Beatles to Jeff Beck, Santana to Stevie Ray, many guitar greats have incorporated the rotary speaker into their rigs. With this in mind BOSS proudly presents the RT-20 Rotary Sound Processor. Employing COSM

UPC: 700315931319

EAN: 761294400012

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Based on 1 review

5.0 overall

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  1. Barn

    It’s built like a tank and gives me that Leslie sound I’ve long been wanting to achieve.