Emissary

Parallel Boost

[em-uh-ser-ee] Anatomy. Sending or coming out, as certain veins that pass through the skull and connect the venous sinuses inside with the veins outside. Like the veins its named after, the Emissary Parallel Boost features two independent boost circuits running in parallel to work together to help give your tone a real sinus clearing experience. Use one or the other by itself, or mix any combination of both by turning up each knob to the desired level. Great for making leads stand out, slides sing, and finger picking really come to life.

https://www.walrusaudio.com/products/emissary-parallel-boost