Echo Fix EF-P2 Spring Reverb PedalBrand New in Box! The Echo Fix EF P2 is a real Spring Reverb pedal that packs a huge sound into a small enclosure. The EF P2 features a three spring reverb tank, adjustable Spring Drive, Bass Treble EQ controls, and Reverb Volume control. With a footswitch for reverb bypass and also a direct signal mute footswitch, the EF P2 can also be used as an outboard effect in recording studios. The EF P2 can accept audio signal from synths and other audio