MXR Reverb M300 Effects Pedal The MXR Reverb packs six distinct, exquisitely-crafted high end reverb styles into a Phase 90-sized box package with a simple three-knob setup, a hi-fi analog dry path, and an expression output so you can blend setting configurations. • Six meticulously crafted reverbs in one pedal  • Hi-fi analog and digital audio paths  • Dry path is 100% analog  • Studio-grade low noise floor  • Relay true bypass and delay trails modes  • Expression pedal jack for foot control of all knob settings  • Stereo In/Out capability when using TRS cables