Up for sale are a few nice, used Boss pedals. All are in good working condition and have been tested. Each can be powered by either a 9-volt dc power supply or battery. Tremolo TR-2: SOLD A classic tremolo pedal with rate, depth, and wave controls. It is in great shape and comes with the original box Super Chorus CH-1: $119 A lush stereo chorus with level, eq, rate, and depth controls Chromatic Tuner TU-2: SOLD Noise Suppressor NS-2: SOLD