Maestro PS-1A Phase Shifter - Boxed! Footswitch Buy your 301 from the

Buy your 301 from the company who supplied Roland with Space Echoes for their 'Cause And Effects' show celebrating 40 years of Boss pedals - read more here

Stabilises your record when playing in a club

Equivalent Input Noise -124 dBm maximum

The back of the unit has a few more dings and scratches scattered across

Maestro PS-1A Phase Shifter - Boxed! Footswitch Buy your 301 from theClassic 70s phaser in near mint condition, complete with box and manual. These 70s phasers have a fabulous lush warm sound and just three switchable settings. We've sold a lot of these pedals and this one sounds rich and vibrant. Serviced and calibrated. The condition is excellent with only a few scuffs and scratches. Power switch looks to be a replacement. Comes with an original box which is worn with a hole in the top where the replaced on off