Kustom IV-L Guitar Bass Amplifier HeadNotes missing tolex enclosure at least four replacement knobs eq sliders need repair persistent 60hz tone regardless of instrument input tremolo and reverb nonfunctional This listing is being sold as is as is, this would be a decently loud rehearsal space amp "high" input on guitar and bass channel both tested working this amp does turn on and amplify your instrument, it has a wonderful overdrive sound, and it needs a lot of love to come back to 100%