Used Carl Martin Classic Optical Envelope Effect Pedal

Used and in excellent condition, the Carl Martin Classic Optical Envelope is a vintage-style funk and auto-wah pedal featuring an optical circuit for smooth, dynamic response. It offers controls for Threshold, Attack, and Q, giving you precise control over the sweep and intensity. Built with rugged Danish craftsmanship, it runs on 9V DC power and delivers warm, analog tone perfect for guitar or bass players seeking expressive filter effects.