Optimus Prime's Stereo Equipment Old School Audio - Old School Prices - Professionally Tested Product Description The Fender Rumble 15 is a compact 15-watt solid-state bass combo amplifier built around a single 8-inch speaker, making it an ideal practice amp or small-venue solution for bass players. This unit has been professionally tested and confirmed fully working, with all controls and the instrument input functioning properly. Cosmetic condition is good overall, with light wear consistent with normal use including minor scuffs to the vinyl covering. Please review all photos for details. Highlights At A Glance ✔ Fully tested and verified ✔ Good cosmetic condition with minor wear from use ✔ Fast, insured shipping, carefully packaged Testing & Verification This Rumble 15 was bench tested with a bass guitar connected to the instrument input, confirming clean amplified output at all volume levels through the 8-inch driver. Volume, bass, mid, and treble controls were exercised through their full range with no scratching, drop-outs, or noise. The speaker produces no rattles or distortion, and the power switch and IEC inlet operate correctly. Shipping Fast, insured shipping from Minnesota. Item is carefully packaged for safe delivery.