Features:Professional headphone amplifier, specifically designed for use with guitar and bass pedalboards Utilizes an analog Class A amplification circuit. Ensuring instrument and effects maintain purity, warmth and a high level of dynamics.Stereo and Mono inputs, stereo and mixed mono outputsOptional built in analog speaker cabinet simulationDoubles up as a signal boost/buffer when not being used for headphone amplificationTrue bypass means AUDIOFILE can become a permanent resident on your pedalboard even when not in use.
Specifications:Input: 1/4'audio jack. Stereo or Mono (impedance 2.2M)Output: 1/4'audio jack. Stereo or mono    1/8' audio jack stereo (impedance 24Ω)Power supply: 9V DC power supplyWorking current: 50mASize: 93.5mm (D) x 42mm (W) x 52mm (H)Weight:150g
Note:The power adapter is not included.Please use the power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly.
Package List:1 * Effect Pedal1 * User Manual(English & Chinese)