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 Sale Price: €97.00 Original Price: €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 Dual xFade by Happy Nerding - Dual VC crossfader €125.00 Sold Out ADSR 4001 by Wildsync €100.00 Mult by Crazy Chicken - Active multiplier €75.00 Sold Out 1U DJMEQ-300 by Wildsync - Stereo or mono 3 band equalizer preamp €80.00 Sold Out ATATAshka by Paratek - 3 channel passive attenuator €56.00 Sold Out