Find Reviews and Compare Prices for:       All ProductsGuitar Effects     0.0 (0)   Add a review Electro-Harmonix Nano Doctor Q Envelope Filter Guitar Effects Pedal   Musical Instruments Have a question? Just Ask! Member Reviews Compare Prices Product Spec Send to a friend Set Price Alert Searched Electro-Harmonix Nano Doctor Q Envelope Filter Gui Effects Pedal in 150 stores, 2 results found Image Description   Store   Price Electro-Harmonix DR. Q (Nano) Envelope Follower Pedal If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $41.5 Go to Store Electro-Harmonix DR. Q (Nano) Envelope Follower Pedal If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $52.99 (used) 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 Wah, Talk Box & Filter Guitar Effects Other Guitar Effects internal use: spec29 spec242 spec582