MAXON Guitar Effector OD820

■Type: Guitar effect ■Overdrive ■Controls DRIVE: Adjusts the depth of distortion. Fully left is non-distorted. TONE: Adjusts the sound quality. Turning it to the right emphasizes the mid-high range. LEVEL: Adjusts the output volume. ■Power supply: Dedicated AC adapter AC210 (included) or S-006P 9V dry battery (included) Product images include images of use. Please note that items other than those specified in the are not included.