Yamaha FX-500 Guitar Multi Effects Digital Processor Japan Vintage Preset Effect Selection : Choose from 60 wide-ranging preset effect programs. Custom Effect Creation : Program custom effects, modifying compression, distortion, equalization, modulation, and the reverb/delay effect stages, storable at memory locations 60 - 90. Effect Selection : Compressor,Distortion,Equalizer,Modulation,Reverb,Delay. MIDI Control : Any of the 90 memory locations may be directly selected from a remote MIDI device (such as a keyboard or MIDI foot controller). It is possible to control up to two different effect parameters simultaneously in real time. In addition, any two MIDI controllers can be assigned to any two effect parameters.