4 channels. clean, crunch, od1 and od2. comes with a damping switch to fatten up the sound (imo it makes it more crunchy than fatter). chorus, reverb, flanger, phaser and delay built in. comes with a built in tuner. theres two modes of setup, ones manual where you just dial it in, the other is where it renembers the eq settings, what effects used etc when going to the channel, similar to the jvm. comes with 4 button footswitch which comes preset as clean/crunch, od1/2, tap tempo and the tuner thats on the pedal. you can use the footswitch to save presets obviously also.