04 Better Listening The acoustics in a mastering room will allow the engineer to hear the track as it will sound in a club, on the radio or even in a front room.
"Mastering engineers work in a room where they're fully aware of the acoustics." Sean Magee
Mastering Engineer
Abbey Road Studios
In a recording studio, it's all about hearing the details of the track and for this reason studio monitors are often tuned for a slightly harsher sound.
However, in order to fix any sonic weakness in your music, a mastering room will have monitors with a very neutral sound.