Our drummer uses this and it works perfectly for him. It's small, sounds good, and has more than enough volume for him. Great setup, and it's basically free. Another great product from Behringer.

Well this little machine works GREAT but in order for it to work right you MUST have a stereo cable to go into the amp! radioshack has all the right stuff to make it work. You need a Y cable with 2 mono female inputs that goes into a stereo single input male. These are ment to be hooked up to sound isolating headphones so you dont need alot of sound to hear so finding the right fit for your headphones is a must! All around I gave the fatures 4 because it is a more baisic headphone amp. I've seen some with more on them but not for this great price! Rock on!!!

Pros: The Behringer Micromon MA400 is of solid construction, excellent fit and finish, with knobs that work very well.

Cons: Be aware, this is not a battery powered unit, but plugs into wall outlet with transformer-type plug, something to consider if in plane, bus or car. In-as-much, one might expect decent power to drive stereo headphones, alas there is minimum power output, rendering limited usefulness in (even moderately) noisy environments. The mono/stereo feature is a bit odd ... if your using the MA400 to practice your electric guitar, expect sound out of left side of your stereo headphones only (regardless of where the switch is set). The sound you do get, however, is very clean. For the money it's OK, just wish there was battery option, and a bit more kick.

I bought this little headphone amp to so I could hear while playing onstage at church. Since I can't afford the big money headphone setups, this was right down my alley. I've borrowed the big name/big money setups and when I plugged in the MA400, I was IMPRESSED!! The sound is amazing, the volume is very easily adjusted and the simplicity of the unit made me suggest this unit to the whole praise team band! Get one of these today if you're on a budget, they work great!!

This thing fulfills a perfect need at a wonderful price, and there really is nothing else out there at this price point. Not sure what the reviews below are referring to regarding mono maybe I have a newer model? - there is a little switch to select mono right on the unit.

For stereo use a dual TRS or a send and return cable (1/4 stereo plug to dual mono 1/4) for your house mix or main mix input.

I got these for the horn guys in my band: they can run thier mic or wireless into the xlr input and use this box as headphone control, then pass the xlr onto the house (the ground switch is invaluable here). I use these for my stationary singers who aren't on a wireless pack I run thier indivudal mics thru the unit, pass to the board, and send them a house mix. (they tend to use just one ear only and sometimes don't even want the house mix).

I use this slightly backwards with my keyboard rig: I run my keys mix into the monitor mix input , and then ask for an xlr house mix from the sound guy and run it into the xlr input , then run the headphone output into my in ear pack (so I can be protected by it's limiter). If I'm on a show and the soundman/monitor person can't send me a mix, or is an idiot or primadonna, I'll just hook a cheap mic up to mic input to feed a little of the stage sound into my ear mix along with the keys.

The box functions great as a standalone headphone feed/mixer, especially if all you need to hear is yourself and pass it on to the board , but if you're also getting a monitor feed that's subject to dangerous level fluctuations, feedback, or an incompetent sound/monitor person, etc.- it's better protect your ears and add a pack with a built in limiter.