The Behringer MA-400 is designed for the musician whose always asking for “more me”. Thanks to its flexible routing options and high powered output. The headphone amplifier will be both an excellent and valuable addition to your studio set up or location/touring rig. Youll be free to use whatever headphones your performer desires. The MA-400 is all encompassing including both a 3.5mm input alongside a 1/4 TRS. With a dedicated monitor level controller and stereo/mono switch youll have every possible feature you can imagine to satisfy the most demanding of clients.