By adopting a concert-quality mixer and speaker

The Flatiron Fuzz is extremely versatile

Scale Length: 26-3/16"

and anti-feedback notch control

Color: Natural

Electro-Harmonix XO Micro Q-Tron Envelope Filter Category_For Acoustic By adopting a concert-quality mixerThe 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. Specs: True bypass