Electro Harmonix Micro Q-Tron Envelope Filter Pedal Visual Sound This gives you access to

This gives you access to additional sounds

These channels can be used to feed a separate headphone amp or a mix/mastering chain

Balanced outputs

With Series III

but the guitar has had several different incarnations over the years

Electro Harmonix Micro Q-Tron Envelope Filter Pedal Visual Sound This gives you access toThe Micro Q Tron is a smooth envelope filter with a funky wah wah tone. The filter is controlled by its internal envelope follower, analyzing the volume of your notes and the dynamics of your playing to directly sweep the filter's center or cutoff frequency. A stronger attack or louder note will produce a wider frequency sweep while softer playing produces more subtle effects. Use the Q control to make the effect more dramatic. Quick Specs True bypass