The 1 RU AR-DM31 16-Channel Digital Audio Monitor from Marshall Electronics is a digital audio rackmount monitor which is ideal for use in TV facilities, studios, post production, VTR bays, mobile production vehicles, satellite links, and other settings where multichannel audio monitoring is required. The AR-DM31 supports 16 audio channels and has four slots for interchangeable input/output modules. This unit provides 100% digital processing, Class-D (digital) amplification, selectable stereo downmix modes, Dolby Digital/Dolby E decoding capability (with optional ARDM-D552 module), a 1/4" headphone jack with level control, and a USB port for on-site firmware upgrades.
The AR-DM31 provides LED indicators for monitoring signal presence and system status. Channel, Group, Mix, Dolby, Balance selection, and saved configurations are easily accessed via the system's large navigation buttons. For audio playback, the AR-DM31 provides internal speakers.
The Digital Audio Monitor is equipped with features to help broadcasters comply with CALM and EBU loudness regulations. The monitor provides timely visual and audio alerts, e-mail notifications, and complete logging of non-compliant signals.