Behringer HA400 MicroAmp is a this super-compact stereo headphone amplifier. Behringer HA400 MicroAmp will run with practically all headphones and drive four sets simultaneously. With HA400 MicroAmp you can let up to 4 different people in your studio listen to the main mix while the recording is being made, and each listener can determine his own volume level using the dedicated output level controls.
Behringer HA400 Headphone Amplifiers feature 4 high-power stereo amplifiers that maintain the highest sonic quality even at maximum volume levels. Ultra low-noise 4580 operational amplifiers are included for outstanding audio performance - these are the same op amps found in “full-size” audio equipment - plus, a DC 12-Volt adapter is included.
If you are one of those musicians who like to deck out their equipment with lots of bells and whistles, the HA400 definitely makes a great addition to the functionality of your studio.