Amazon.com: CP-BOOSTER Optical Compressor Guitar and Bass Effects Pedal Pure Analog for Electric Guitar and Bass True Bypass BLOKAMUGT (Black REV3.0) : Musical Instruments
Optical Compression for your Pedalboard: OB.1 Guitar and Bass Compressor - Strymon
Amazon.com: CP-BOOSTER Optical Compressor Guitar and Bass Effects Pedal Pure Analog for Electric Guitar and Bass True Bypass BLOKAMUGT (Black REV3.0) : Musical Instruments
Strymon OB.1 Bass Modification Optical Compressor & Clean Boost | MUSIC STORE professional