ammoon AHA04 Portable 4-Way Headphone Amplifier Amp with 1/4 inch & 1/8 inch Inputs Outputs RCA Stereo Input Control

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 potentiometers for each channel 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.