Vertex Effects appears on GPAS through pedalboard utilities and drive pedals, including the Pedalboard Buffer Interface, mounted Buffer Module, Boost MKII and Ultraphonix Special MKII. The products are aimed at shaping signal level, preserving high-end and adding focused gain within a larger board. Compare buffer position, input and output routing, boost range, switching, power requirements and board-mounting format to understand how each unit will fit the signal chain.