The adapter returns the game sound and the sound of the cat that can be adjusted separately. The adapter does not mute audio from the TV.
His level of quality seems to me entirely correct with headphones designed for iPhone (Monster iSport) whether recording (upload studio) or read.
With a standard Xbox 360 headset adapter is pretty average, so do not try to press it down, suddenly it seems a miracle that he holds and the slightest movement will do a faulty contact. If you misplaced or incredibly weak sound, or spitting.
At the same time if I wanted to use a headset microsoft xbox360, I would have been too quick to buy a headset for xbox one as the one supplied with the console. By buying the adapter I wanted to use a more comfortable headset, the failure to be able to easily connect headphones so 360 is absolutely not a handicap. The adapter will work perfectly with any 2.5mm headphone jack as it is primarily the shape of the plastic helmet xbox 360 problematic. So everything should work phone headset.
Positive:
its correct
Separate adjustment chat / game
opportunity to play in silence without pulling tons of cables
Negative:
no adapter for headphones / microphone with 2 records
3.5mm to 2.5mm adapter easily compatible with helmets xbox 360