An audio mixer is a device with the primary function to accept, combine, process and monitor audio. Mixers are primarily used in four types of environments: live (at a concert), in a recording studio, for broadcast audio, and for film/television. An audio mixer can come in either analog or digital form.Also known as a soundboard, an audio mixer is an electronic device that brings in different audio signals and allows the user to control volume, tone, and other effects to create the desired sound. A 32-channel mixer has 32 inputs for microphones, drum machines, and other auxiliary devices. There are many different types available in digital and analog varieties for professional and recreational use. To find the best 32-channel mixers to suit an individual’s needs, compare the features of some of the most popular models available.