Eurorack › Envelope Follower EF-1 by Wildsync Image 1 of 4 Image 2 of 4 Image 3 of 4 Image 4 of 4 Envelope Follower EF-1 by Wildsync €100.00 Envelope follower, amp, gate and trigger generator.Size: 6HP Unfortunately this masterpiece is out of stock =( You can sign up here to get notified when it is back in stock Add To Cart Added! Envelope follower, amp, gate and trigger generator.Size: 6HP Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More You Might Also Like TexMix Douts 3hp by Tesseract - Direct Outs TexMix expansion €25.00 CIU-1в (СИУ-1в) by Paratek €146.00 Sold Out Buffered Multiple by Stoel Music systems - Specialized multiple to precisely distribute CV sources €45.00 Fade by Bear Modules - Manual CV modulator €82.00 Sold Out Dark Mini Speaker by Stoel Music Systems - 3" speaker in Dark Mode with 4W amplifier €118.00 Sold Out