SpecsHigh-pass frequencyControls the cutoff frequency to be distorted, ranging from 100Hz (for thicker, fuzzier saturation) or 1kHz for ultra-sharp definition. Low-pass frequencyControls the cutoff frequency to be mixed back to the high-pass side. Ranging from 50Hz (for only sub-bass) and 500Hz to preserve some clean mids. LevelSets the overall output volume of the unit. DriveSets the amount of distortion for the high pass side. MixSets the blend between low-pass and high-pass signals. MidsActive mid control placed after the Mix control. +-12dB @ 500Hz. OutputConnect from the ¼” Output jack to the input of your amplifier or another effects pedal. InputConnect your instrument or output from your pedal board to the ¼” mono jack. 9V DCOnly use a regulated 9V DC adapter with a center-negative plug. DimensionsWidth: 75 mm / 3″Length: 111 mm/ 4¼″Height: 43 mm / 1¾″Weight: 250 g / 0.55 lb WarningThe Microtubes X has a current draw of 30mA. Only use a regulated 9V DC adapter with a center-negative plug. Unregulated power supplies and/or higher voltages may result in suboptimal noise performance and even damage your unit, voiding the warranty.