This is what I use as a headset amplifier now instead of the Fostex PH-50 (who had passed away after only one year of use). It works perfect ^ ^ Especially when the cable jack TRS balanced, so there, what fish! ^____________^

At first I thought this unit had no ON / OFF (This happens on some studio equipment), but ultimately, it is off to a minimum by lowering the adjustment knob on the level of entry: it's a little low-end FM radio but other than that, nothing to say ))))

It is true that there is no possibility to adjust the treble, bass, balance, etc via headphones, like some other competitors can do but it is not the same Cathegory devices. First, its small size prevents it from having these settings simply for lack of space and then it depends on what you search: a receiver monitoring headphones (which sound is neutral) or headset amplifier distribution (which should provide flexibility to control users).

Strengths, in my opinion:
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1 / 2 rack width ))

Input and output jack TRS

Opportunity to listen in stereo or mono in the headphones

Connectivity minimum, just enough, no frills.

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Weaknesses, still in my opinion:
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No leads Peak prevents saturate when the inputs (damage)

Opportunity to listen in stereo or mono in the headphones, of course, but not to the output jacks of the device: the sound always comes out in stereo. It is a shame because we sometimes need to listen to the sounds in mono on the speaker monitoring (when you plug the amp behind the Q5).

It heats a lot ... :-(((

Slight buzz, but almost inaudible (to me, he has had some time to perceive me ^ ^)

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I hope this Q5 me last longer than the Fostex PH-50 that I had before! ))

Apart from the Fostex, its closest competitor is the PreSonus HP4, which provides for four headphone outputs 1 / 3 rack only ))