Feature: 1. Pretty Effects: This effect pedal enables easy adjustment on treble, midrange, bass, volume, etc. for pretty sounds and effects. 2. Better Designs: High and low gain dual channel design can store parameters independently, and the switching is very convenient. 3. Smart Analogue: Equipped with cabinet simulation function, long press the key switch to turn on or off the cabinet simulation. 4. Sturdy Casing: Mainly made of high quality metal material, the sturdy casing ensures safe protection and long term use as well. 5. Simple Carrying: Comes with a light weight and a compact size, the simple carrying and storage largely simplify the outdoor use. Specification: Item Type: Effect Pedal Material: Metal Input: 1/4in mono audio interface (impedance 1Meg Ohms). Output: 1/4in mono audio interface (impedance 100 Ohms). Power Supply: 9V DC adapter (negative inside and positive outside). Working Current: 300mA. Package List: 1 x Effect Pedal 1 x User Manual1 x Sticker