The lamp lights up, but I'm not sure about the sound changes, so I'll consider the operation unconfirmed. Body only. No accessories such as power supply included. This is a multi-functional guitar effector that allows for tone adjustment. - Brand: Donner - Model Name: Hopper - Controls: LEVEL, GAIN, TONE - LED Indicator: Red - Connection Terminals: 1/4 inch jack - Power: DC 9V adapter Thank you for viewing.