The PRS Mary Cries optical compressor pedal is intuitive and sounds incredible. Based on the storied LA-2A, Mary Cries will thicken your tone, help control signal peaks, lengthen sustain, and push your tone without losing definition or clarity. Depending on your settings, it can be used as a boost as well as a straightforward compressor.

Specs
Pedal Type: Optical Compressor
Analog/Digital: Analog
Inputs: (1) 1/4" instrument
Outputs: (1) 1/4" instrument
Bypass Switching: True Bypass
Amperage: 8mA
Power Sources: 9V DC Power Supply, regulated and/or isolated (not included)
Batteries: (1) 9V DC (not included)
Dimensions (L x W x H): 11.9 x 9.4 x 11.43 cm (4.7" x 3.7" x 4.5")
Weight: 1.1 lbs