Looking for powerful tone shaping in a compact pedal This used 2020s MXR M228 Dyna Comp Mini delivers vintage compression with modern convenience, and it's in great condition. Featuring classic OTA technology for smooth, musical sustain, it's ideal for tightening up your sound whether you're playing clean or with distortion. The pedal includes a built-in Attack switch and Output and Sensitivity controls, all housed in a rugged mini chassis that fits easily on any pedalboard. With true bypass switching and a durable metal enclosure, the M228 offers studio-grade compression in a pedalboard-friendly size. Operates on a standard 9V DC power supply (sold separately). Get legendary MXR tone and consistency in a used unit that performs like new.