Video Boss PS-6 Harmonist Review

If you're looking to create quick and easy harmonies, as well as insane pitch shifting and subtle detune effects, then the Boss PS-6 is the perfect pedal for you.
With a huge range of uses, this pedal is sure to find a space on your pedalboard. It's even expandable with the addition of an external expression pedal (sold separately).
Find out more: http://www.dawsons.co.uk/boss-ps-6-harmonist