The Tech 21 SansAmp YYZ is a two channel (clean - overdriven) stompbox voiced after bassist Geddy Lee's rackmount. https://www.youtube.com/watch?v=BkvudJkkKR8 All analog SansAmp technology enables you to record directly and enhance previously recorded tracks. For live performances, the YYZ can drive a power amp and speakers, augment your existing amplifier…... Click for more