Check the listing for details. Numark M6 4-Channel USB DJ Mixer. Condition: Open box. Listed at 223.89 USD. Versatile Mixing With Computer IntegrationWhen connected to your Mac or PC, the Numark M6 mixer's plug-and-play connection empowers you to mix in audio in from music-player software and record your sets into virtually any audio recording application. You will enjoy a complete range of performance essentials in M6, including three-band EQ and LED metering per channel.The M6 has a replaceable crossfader with slope control, and you can assign any channel to either side of the crossfader. You can talk over the mix with M6’s dedicated XLR microphone channel and a secondary mic input on channel four. And for the best possible sound, M6 has balanced outputs. Get all the flexibility of a four-channel mixer plus the power of computer connection with the Numark M6 4-Channel USB DJ Mixer!.