xDuoo MT-603 Multiple Pre-Amp 4 Audio Input One Audio Output 12AU7 Tube Hifi Music High Performance Headphone Amplifier AMP MT-604 MT-602 for Home and Computer

Features:
12AU7 tube is used to process audio to make the sound sweet and soft.
Support AUX1-4 four sets of audio input, a set of audio output interfaces.
Four groups of audio input interfaces have independent keystroke control and fast switching.
The shell is made of high-strength aluminum alloy with excellent shielding properties.
High-end atmosphere bile duct design, superior performance, with DC12V/2A adapter power supply.