This can cause mixing errors as you correct speaker errors along with the mix errors. Need to hear accurately what you are mixing, without the speaker adding its own color to the sound. Monitor designįocus is to avoid artificially boosting bass, treble or other frequencies in an attempt to make the speaker sound 'good' and to avoid resonances from the speaker and cabinet. Monitor speakers are designed to provide a flat frequency response so that the audio signal is reproduced faithfully, within the budgetary constraints of the speaker.