A twin-pedal COSM model of a rotary speaker, with slow/fast transition time adjustable from gradual to rapid, onboard overdrive, an adjustable mix balance between the treble and bass rotors and four sound types.www.boss.info/us/products/rt-20 ↗
[ owner photo · Boss RT-20 Rotary Ensemble ]
A twin-pedal COSM model of a rotary speaker, with slow/fast transition time adjustable from gradual to rapid, onboard overdrive, an adjustable mix balance between the treble and bass rotors and four sound types.www.boss.info/us/products/rt-20 ↗
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