Roland S4000M
REAC Merge Unit (with 4 Digital Snake Heads)

OUR PART #  S4000M

Our Price: $1,495.00
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RSS' S-4000M REAC Merge Unit allows up to four Digital Snake heads to be merged into a REAC stream where the master device recognizes it as single REAC slave unit.  This important technology enables distribution of multiple input/output units around a location, venue or stage for flexible point-to-point digital snake or V-Mixing System configurations.


  • Merge up to 4 REAC devices into a single REAC stream
  • Power REAC devices supporting embedded power
  • Assign channels automatically with auto map function
  • Patch input and output assignments using PC software or the M-400 / M-380 V-Mixer
  • Automatically assign input channels using the Auto Map feature

Additional Features:

  • Merge up to four REAC devices together.
    The S-4000M merges up to four Digital Snake heads, such as the S-0808, S-1608 and S-4000, and merges the input/ouput to a single REAC signal.  Ports 1 to 4 supply REAC embedded power to compatible product such a s the S-0808.  The intelligent Auto Map function assigns input channels automatically.  REAC master devices recognize the S-4000M as a single REAC slave unit even when multiple digital snake heads are connected.
  • Distribute outputs to multiple devices.
    The S-4000M also serves as a distributor of outputs and/or splitter.  Any inputs returning from Port 1 (Master) are distributed to the outputs depending on the devices connected.  When S-0808 sare connected, specific output assignments can be set.
  • Configure Routing from a PC or V-Mixer.
    The M-400/M-380 V-Mixer or dedicated PC Remote Control Software (S-4000RCS) configures routing, input gain, PAD and phantom power.


  • Connectors:
    - REAC (RJ-45 EtherCon type) x 1
    - REAC EMBEDDED POWER (RJ-45 EtherCon type) x 4
    - REMOTE (RS-232C, DB-9 type) x 1
  • Indicators:
    - LINK: Green x 5
    - POWER: Blue x 1
  • Switches: POWER x 1, MODE x 1, AUTO MAP SLAVE UNITS x 1
  • Power Supply: AC 115 V, AC 117 V, AC 220 V, AC 230 V, AC 240 V (50/60 Hz)
  • Power Consumption:
    - 1.6A / AC 115 V / AC 117V
    - 0.9A / AC 220 V / AC 230 V / 240 V
    (At max output of REAC EMBEDDED POWER)
  • Dimensions: 8-5/8" W x 14-1/16" D x 3-7/16" H (218.0 x 356.3 x 86.5 mm)
  • Weight: 6 lbs, 10 oz. (3.0 kg)
  • Included Accessories: Power Cord x 1, REAC Connector Cover x 5, Ferrite Core x 5, Rubber Foot x 4, Fastening Screw x 4, Owner's Manual x 1
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40 Channel I/O modular rack configured to be used at the Front of House position for connection to mixing console with ordinary XLR cables. The configuration would be used with an S-4000S-3208 at the stage position. 8 input + 32 ...

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RSS' S-0808 has unprecedented mobility enabling further convenience in many applications such as broadcast, event, live stage, audio installation and location sound.  Enjoy flexibilty in setup using external battery operation or ...

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Digital Snake Remote Control, 3m, RS232C CableRoland S4000R Digital Snake Remote Control, 3m, RS232C Cable

The S-4000R is a component of the S-4000 Digital Snake System. It allows for zipperless remote control of preamp levels for an S-4000S-3208 or any other system source configuration up to 40 channels. It can also switch Phantom Power and ...

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