Feature: 1. This guitar effects pedal simulates the tone and clarity of 57 Deluxe, very practical 2. Possess 6 controls for controlling the equalizer and super speed response: low, medium, high, level, sound and drive 3. Aluminum alloy shell posse higher strength, specific strength is close to high alloy steel, specific stiffness exceeds steel 4. Come with good corrosion resistance, so the material of this product is very good 5. American sound pedal have stable structure, excellent performance and long service life Specification: Item Type: American Sound Pedal Material: Aluminum alloy shell Power Requirements: AC adapter 9v DC(pay attention to the positive and negative poles of the power supply) Current Consumption: 50mA Size: Approx. 11.9 x 9.4 x 3.8cm / 4.7 x 3.7 x 1.5in. Package List: 1 x American Sound Pedal1 x Battery Cable 1 x American Sound Pedal Footpad Note: The customers need to purchase an external power supply by themselves to be powered on