Boss CP-1X Compressor Pedal Compressor Effects Pedal With Gain Reduction Indicator, And Controls For Level, Attack, Ratio, And Compression

Boss BC-1X Bass Compressor Pedal Bass Multiband Compressor Pedal With Threshold, Release, Ratio, And Level Controls

Behringer CS400 Compressor/Sustainer Pedal Compressor/Sustainer Pedal With Level, Tone, Attack, And Sustain Controls