Mini Analog Compressor Electric Guitar Effect Pedal True Bypass Metal Shell Features: 6 effects in one housing: for Boost, Overdrive, Distortion, Modulation, Delay, Reverb. Full featured controls for each effect. Built in precision guitar tuner. Tap tempo synchronization, stereo outputs. Integrated effects loop tor connecting external pedals or 4 cable method connection with an amplifier. Dedicated direct output with speaker simulation for connection to a mixing desk, computer or headphones. Specifications: Condition: Material: Aluminium Alloy + Electron Color: Shown as picture Input: 1/4"  signal  input audio interface (impediance 2M ohms) Output: 1/4"  left and right channel audio interface * 2 (impediance 100 ohms) Sampling Rate: 44.1K Sampling Accuracy: 24bit Power Supply: DC 9V ≥ 300mA power adapter (negative inside positive) Size: Approx.370*96*51mm(L*W*H)/14.6*3.8*2.0in Package Weight: Approx.1525g/53.8oz Package List: 1 * Guitar Effect Pedal 1 * User Manual