This is a Fender Studio Drive SD-15. It delivers Fender sound even at low volumes when you increase the gain. There are no major scratches or damage, and no crackling; the sound is good. However, there are cracks in the handle due to deterioration, so please be careful when moving it! - Brand: Fender - Model Name: Studio Drive - Input Jacks: 1/4 inch jack - Volume Knobs: 5 adjustment knobs (Volume, Gain, Treble, Middle, Bass) - Cabinet Style: Small/Large switch - Headphone Jack: Yes Thank you for looking.