Behringer MicroAMP HA400 4-channel Headphone Amplifier Bundle with Hosa CMP-159 Stereo Breakout Cable - 3.5mm TRS Male to Left and Right 1/4-inch TS Male - 10 foot | Reverb
Behringer Ha400 Ultra-compact 4 Channel Stereo Headphone Amplifier With Power Adapter Black For Studio And Stage - Microphones - AliExpress
Studio Headphone Amps - Studio Headphone Amps - Behringer MicroAMP HA400 4 Channel Headphone Amplifier