This is a bass amplifier from Fender Japan's famous Sidekick series. It's a 30W bass amp that can handle live performances in smaller venues. It's vintage, so it's being sold as junk. When I briefly tested it, it worked well without any crackling. The following is from AI ⬇ The Fender Sidekick Bass 30 is a bass amplifier with adjustable volume, treble, mid, and bass controls. - Brand: Fender - Model Name: Sidekick Bass 30 - Controls: Volume, Master, Treble, Mid, and Bass adjustment knobs - Design: Black and gray speaker grill - Handle: Handle on top - Input Terminals: INPUT terminal available Thank you for viewing.