EQ is perhaps the least noticed of all types of audio processing, but also the most important. It can transform a mediocre sound into an interesting one, correct frequency-specific problems, and go a long way towards helping disparate sound sources gel in a mix. Whether youre interested in purchasing a hardware equaliser or software plug-in, or just want to find out more about the EQ on your mixer, we hope that you have found this guide useful, and remember EQ is not just for boosting frequencies it is often at its most effective when cutting happy tweaking!