Used Keeley Mod Workstation Effect Processor

The Used Keeley Mod Workstation in great condition offers 8 modulation effects and 3 drive circuits, combining 12 versatile effects in one compact unit. With true stereo outputs, tap tempo, and programmable preset saving, it's perfect for guitarists seeking flexibility and premium tone shaping. Built with Keeley’s renowned quality, this stompbox delivers studio-grade effects including phaser, flanger, chorus, and more—all powered by a 9V center-negative supply for straightforward pedalboard integration.