Find Reviews and Compare Prices for:       All ProductsGuitar Effects     5.0 (1)   Add a review Electro-Harmonix XO Holy Grail Plus Reverb Guitar Effects Pedal   Following on the legendary Holy Grail, the Holy Grail Plus redefines performance reverb. A graceful Room Reverb has been added with a multi-function knob that gives you time, damping and modulation control. The amazing Flerb is expanded to give the ... Have a question? Just Ask! Member Reviews Compare Prices Product Spec Send to a friend Set Price Alert Searched Electro-Harmonix XO Holy Grail Plus Reverb Guitar ects Pedal in 150 stores, 1 results found Image Description   Store   Price Electro-Harmonix Holy Grail Plus Reverb Pedal If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $144.75 Go to Store You can also search these stores   Find this product on eBay   eBay   0 Store Reviews   Search on eBay Are we missing a store? Let us know! Something wrong in this page? Let us know! Related products: More Delay & Reverb Guitar Effects Other Guitar Effects internal use: spec31 spec242 spec583