Roland S-MADI REAC MADI Bridge

Expand Audio System Possibilities with REAC and MADI

The S-MADI REAC Bridge is a bi-directional signal converter between REAC and MADI. This bridge enables connectivity between MADI-equipped digital audio mixers/systems to any REAC-based devices such as the popular M-48 Personal Mixing System, Digital Snakes, V-Mixer Consoles, and Multi-channel Live Recording.

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Bridging REAC with MADI
S-MADI is bi-directional format converter between REAC and MADI. Up to 40x40 channels of digital audio transmission is possible between MADI equipment and REAC products such as the Digital Snake series, V-Mixers, and M-48 Live Personal Mixers. Both BNC and Optical I/O ports are included along with support for 56/64Ch mode. Clock source can be selected from REAC, MADI or Word Clock.

The REAC SPLIT OUT port provides audio signal from REAC or MADI enabling a separate monitoring or recording audio signal from the main stream. The SPLIT OUT supports REAC Embedded Power which supplies both the audio stream as well as power to a M-48 Live Personal Mixer or S-0808 Digital Snake.

Remote Control
A connected Digital Snake can be controlled using the S-4000R Remote Controller. Using the S-4000RCS dedicated software also enables control of Digital Snake and M-48 Personal Mixing setup and monitoring parameters.

REAC Technology
The REAC (Roland Ethernet Audio Communication) protocol is an industry proven, low latency, high quality 24 bit/ 96 kHz audio transport protocol used by the S-1608 and S-0816. The REAC protocol allows the Digital Snake's signal to be "split" to as many positions as required such as monitor, broadcast and recording splits using th S-4000-SP or any standard gigabit Ethernet switch.

MADI Consoles/Devices
The following is a list of digital consoles, interface and other devices that support MADI so can therefore be used with the S-MADI ? opening up the world of REAC products include M-48 Personal Mixing, Digital Snakes and Multi-channel recording.

Digital Consoles
Allen & Heath iLive with M-MADI-A card

Avid Venue MADI Option Card

Calrec - Hydra2 with MADI I/O

DiGiCo D and SD Series MADI included

Harrison Consoles - MADI included

Midas Digital Consoles - Klark Teknik DN9650 Network Bridge with LabX MADIX Network Module

Soundcraft Vi Series MADI included

Studer - D21m Series with MADI I/O

Yamaha - add MY16-MD64 (16 channel master) plus 1 or 2 MY-16EX (16 channel expansion)

  • Bi-directional format conversion between REAC and MADI
  • BNC and Optical MADI ports
  • Supports REAC Embedded Power and Split out for connecting and power additional devics (e.g., M-48 Personal Mixer, S-0808)
  • Support for 44.1/48kHz with WORD, MADI or REAC clocks
  • Preamp and personal mixing control with S-4000RCS (Remote Control Software)
More Information
  • Sampling Frequency: 48 kHz/44.1 kHz
  • Madi Channel Mode: 64 Ch/56 Ch
  • Connectors:
    • Front Panel: REMOTE (D-sub 9-pin type, RS-232C)
    • Rear Panel: REAC MAIN (RJ-45 EtherCon type), REAC SPLIT OUT(REAC EMBEDDED POWER, RJ-45 EtherCon type), WORD CLOCK IN (BNC type), WORD CLOCK OUT (BNC type), Coaxial MADI IN (BNC type), Coaxial MADI OUT (BNC type), Optical MADI IN/OUT (SC duplex type)
  • Power Supply: AC 115 V, AC 117 V, AC 220 V, AC 230 V, AC 240 V (50/60 Hz)
  • Current Draw: 0.7 A (REAC Embedded Power: Maximum)


Size and Weight

  • Width: 482 mm / 19 inches
  • Depth: 303 mm / 11-15/16 inches
  • Height: 44 mm / 1-3/4 inches
  • Weight: 3.5 kg / 7 lbs. 12 oz.