ammoon AHA04 Portable 4-Way Headphone Amplifier Amp

Features:
Portable headphone amplifier with four stereo 1/4 inch and four 1/8 inch headphone outputs.
Stereo 1/4 inch and 1/8 inch jack and RCA stereo inputs(wired in parallel) can be connected to any line-level audio source.
Built-in high quality potentiometers for each channel volume control.
DC 5V power supply, can be powered by USB power adapter, power bank or computer USB port.
With Stereo/Mono switch for selecting stereo or mono signal to be sent to the output channels.
Compact size and full metal shell design, easy to carry around and durable to use.