Dual Chip TPA3116D2 amp board. Blue LED on side indicating power up. Rotary power switch on left and volume control on right. Polymer insulated gold plated Connex brand binding posts. Gold plated RCA connectors. Genuine Fender brand knurled machined brass knobs that are gold plated. 24ct. gold pin striping. Includes a 15V 4.3amp external power supply.