This Pedal is discontinued.
VC Envelope Filter, Auto-Wah
Due to trademark issues in the US released under the name Tru-Tron 3X only. Mu-Tron 3X is the European version. It's designed by legend Mike Beigel who used to run Musitronics, worked with Guild, Arp and Electro Harmonix (see Q-Tron).
Mu-Tron Mu-Tron 3X$1,950
Mu-Fx Mu-Fx Tru-Tron 3X$2,188.99
Mu-Fx Tru-Tron 3X$1,450.46
Mu-FX/BEIGEL SOUND LAB Tru-Tron 3X$1,053.63
Beigel Sound Lab MU-FX Tru-Tron 3x$3,499.99
Mu-Fx Mu-FX Tru-Tron 3X Envelope Filter