The Electro-Harmonix Lester K is a high-quality stereo rotary speaker emulator pedal designed primarily for keyboards, offering lush, authentic Leslie-style rotating speaker effects in a compact, durable metal chassis. Key features include adjustable fast/slow speeds, a tube-style overdrive circuit, and a Balance knob to adjust the horn-to-rotor mix. It's a little dusty but works perfectly. Price is Firm.