Check the listing for details. THORN SteamBass Flex Bass Compressor (B-Stock). Color: see description, Condition: Open box. Listed at 188.18 USD. The Thorn STEAM®BASS - Flex Bass Compressor is a highly flexible and powerful bass compressor that enhances your sound with precision and control. This pedal offers a comprehensive range of controls such as Threshold, Amount, Attack, Release, Detail and Output, allowing you to fine-tune the dynamics of your bass sound to suit any style of music. Whether you're looking for subtle compression or an aggressive effect, the STEAM®BASS gives you the tools to shape your sound exactly how you want it. The Auto/Manual switch provides even more versatility, giving you the option to automatically adjust the attack and release times or change them manually for an even more personalized response. All of our items have a 30-day return policy without explanation. Sheet music, reading material and sof.