ammoon HA400 Ultra-compact 4 Channels Mini Audio Stereo Headphone Amplifier with Power Adapter

Features:
Super-compact 4-channel stereo headphone amplifier applied for studio and stage.
Features 4 headphone output channels and 1 input channel.
Each output channel with volume control for setting volume independently.
Highest sonic quality even at maximum volume levels.
Ultra low noise 4580 operational amplifier provides you outstanding audio performance.
12V DC power adapter included, with light for indicating power on.