Marshall ar-dm1-b audio monitor unit with loudspeaker at the front, Comes with 4x HDSDI input boards installed,
4x ardm-hdsdi option boards installed so can take in 4 seperate HDSDI video inputs to mointor the embedded audio
each board has below feature
This model features a multi-rate SD/HD-SDI video input and a reclocked SD/HD-SDI loop-through output. The input automatically detects the characteristics of the source signal. More specifically, the unit is designed for use with SDI SMPTE 259M-C and HD-SDI 292M. It also manages (8) embedded channels of stereo audio or Dolby multi-channel decoding.