The Electro-Harmonix Holy Grail Plus is an upgrade to the ever-popular Holy Grail.
The Holy Grail Plus adds graceful Room Reverb and a multi-function control for reverb time, damping, and modulation speed. Plus it includes the power supply. The Grail just got a little more divine!
CALIFORNIA PROPOSITION 65 WARNING
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.