Gibson Lab Series L2 Bass Guitar Head Amplifier 100WNotes LED for compressor not working, but compressor is functional. A Gibson Lab Series L2 Bass Guitar Head Amplifier 100W in Good condition! At Evolution Music, we attempt to highlight cosmetic defects (if any) by picturing every angle of every piece of gear so you know exactly what you are getting. We always picture any and all accessories too. What you see is what you will get so please check out the pictures! Everything we sell has been tested and