4-Channel 6.35 Headphone Amplifier Aluminum Audio Amp,Ultra-Low Noise Mini Earphone Splitter for Music Sharing/Monitoring, 1/4 "TRS Headphone Output and TRS Audio Input-DC 5V Power Supply

Great for studio monitoring with multiple people.

【 4-Channel Stereo Headphone Amplifier】Headphone amplifier with independent volume control has 4 outputs to support up to 4 headphones, line-outs or loud speakers: no popping, ultra-low distortion even at maximum volume. There is no loss of volume when all 4 outputs are connected.
【Ultra-Low-Noise】The amplifier chip inside features ultra-low THD+N while providing rich details. The case of the audio amplifier is made of Aluminum alloy with excellent interference isolation and provides a lossless audio signal without distortion or static for high-quality signal routing.
【Easy to Use】This headphone amplifier could power up to 4 pairs of headphones with individual volume control, enabling up to 4 people in the studio listen to the main mix while recording, and each listener could adjust their preferred volume level with an independent volume control.
【Lightweight and Compact】Sturdy metal construction headphone mixer with tight connections and smooth operating knobs. Ideal for on-stage and indoor performances or applications requiring multiple headphone connections.
【USB C 5V DC power supply】This Headphone Amplifier uses the latest USB C 5V power supply mode, so it no longer restricts the application scenarios. （USB Cable included.）