The Behringer HA400 Microamp is an ultra-compact 4-channel stereo headphone amplifier. Mini to the max! You can use the Behringer HA400 with practically all headphones-four of them at the same time, to be exact! For example, 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. The HA400 contains 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. Behringer HA4000 Microamp Stereo Headphone Amplifier Features 4-channel stereo headphone amplifier for use with all types of headphones Four high-power stereo amplifiers Highest sonic quality even at maximum volume Output level control for each channel Ultra low-noise 4580 operational amplifiers for outstanding audio performance DC 12-Volt adapter included High-quality components and exceptionally rugged construction ensure long life Conceived and designed by Behringer Germany. Read More...'

Behringer HA400 4-Channel Stereo Headphone Amp

If you're tracking more than one musician at once, or if everyone in a group wants to listen to a playback, you need a monitor distribution system. The compact, flexible HA400 can power up to four pairs of headphones and up to four independent volumes.

A Simple Solution
Grab this super-compact amp during your sessions to power practically any headphones--four of them at the same time, to be exact. This allows four people in your studio to listen to the main mix while recording, and each listener can determine their own volume level using the dedicated output level controls.

Quality Amplification
The HA400 contains 4 high-power stereo amplifiers that maintain the highest sonic quality even at maximum volume levels. These ultra-low-noise 4580 operational amplifiers are included for outstanding audio performance--the same op amps found in "full-size" audio equipment.

What's in the Box
Behringer HA400 4-Channel Stereo Headphone Amp, Power Adapter, User's Manual