Hear Technologies PROHMADI - MADI Card for Hear Back Pro HubProvides the ability to connect MADI based audio equipment to a Hear Back PRO Hub for personal monitor mixing or to the WSG Bridge as a conduit for Waves plugins and a bridge between MADI and the Waves SoundGrid or Dante protocols for multi channel interfacing. Simultaneously transmits and receives 32 channels when used with the Hear Back PRO System or 64 channels when used with the WSG Bridge. Features: Compatible with Hear Back PRO Hub and WSG