1、Modulation peripheral effector with dual channel design, supports stereo input and stereo output 2、Two sets of effects have independent SPEED or RATE, CONTROL and DEPTH or MIX adjustment knobs 3、A 3 level dial is designed in the middle of the panel, which is used to select the serial output sequence of the two sets of effects, or parallel output 4、Each channel has 9 effects, equipped with independent Tap Tempo function, you can adjust a rich tone 5、Applicable power supply is DC9V, helpful for performances and concerts, also a great gift for guitar lovers Item Type: 2 Channel Modulation Pedal Material: Metal Color: Brown Input: 2 x 1/4in mono audio interface(impedance 1MOhms) Output: 2 x 1/4in mono audio interface(impedance 100Ohms) Sampling Rate: 44.1K Sampling Accuracy: 24bit Power Supply: DC9V (internal negative and external positive)(adapter not include) Current: 170mA 1 x Effector 1 x User Manual 4 x Pad