Marc Extender

Attention! Product discontinued.

  • 1 x AES/EBU I/O (XLR)
  • 1 x Stereo S/PDIF I/O, elect. (RCA)
  • 1 x Wordclock input
Technical Data
  • Slot card
Driver suite (Marc 4 DIGI)
  • Windows XP, 2000:
    MME, ASIO 2.0,
    DirectSound, GSIF,
    WDM (Kernel streaming)
  • Windows NT4:
  • Windows 95, 98, ME:
    MME, ASIO 2.0,
    DirectSound, GSIF


The marc extender expands the marc 4 digi with additional connections to the optical Toslink I/O. Besides the electrical S/PDIF I/O the extender alternatively provides a balanced AES/EBU I/O with XLR connectors. The features are made complete by a wordclock input. The Marc 4 digi thereby evolves to an universal digital solution with professional connection possibilities.

Like every member of the Marc-series, the marc 2 extender excels due to easy installation and a steadily controlled high quality of manufacturing. It operates perfectly with Intel and AMD based systems.


Digital: The card provides electrical in- and outputs for S/PDIF (RCA) and AES/EBU (XLR). They can be operated with 24bit and 96 kHz. This way high quality converters or signal processors can transmit data without quality-loss due to dithering or resampling. At the same time there is a 2-pol digital input on the basic card which can be fed with e.g. the signal of a CD-ROM drive. The digital XLR and RCA-Connectors are located on the extender board just like the WC-input.

Wordclock: The Marc DIGI Extender provides a wordclock input (BNC-connector).

More information
Marian Technologies
  • No Interrupt Design
  • HighSpeed Driver/MultiClient
  • SyncBus, MultiCard support
  • Start/Stop synchronisation
  • Zero Latency Monitoring
  • Hardware Pitch
  • DAT marker support
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