MacVoices #19107: NAB - CEntrance Introduces A Portable Mixer/Recorder At NAB in Las Vegas, CEntrance Founder and CEO Michael Goodman showed off their MixerFace 4-input mixer/audio interface with Lightning connectivity that provides amazing flexibility for the audio side of mobile production. Available with a recording option, the MixerFace could be all you need to create programming any where, any time.