Wah is essentially a filter for your signal like the EQ on your amp. It sweeps the midrange frequencies with the rocking of the pedal that causes the "wah-wah" sound. Phaser is a completely different effect, that through a series of LFOs knocks your signal out of phase in multiple stages, causing that swishy-swooshy sound
This is Wah wah ?
Wah is essentially a filter for your signal like the EQ on your amp. It sweeps the midrange frequencies with the rocking of the pedal that causes the "wah-wah" sound. Phaser is a completely different effect, that through a series of LFOs knocks your signal out of phase in multiple stages, causing that swishy-swooshy sound