Keeley Electronics Roto Sonic Custom Shop Ltd. Ed. Rotary Speaker Pedal (2022)The Keeley Roto Sonic features three Dopple Swirly Vibey sounds! Its a three mode pedal with custom crafted rotary speaker effects. The three modes are Les Rotary Speaker, Vibro S mode, and U Vibe. Fill the stage with organ tones as rich as a dark lacquer. These Doppler effect tones are based on vintage speaker cabinet designs. So dead on perfect, youll swear you can hear the motor Wurrr. Keeleys DSP has taken these vintage speaker and rotary sounds