S-4000D: Splitter & Power Distributor

The REAC splitter equipped with embedded power


“REAC Embedded Power” is unique Roland technology that enables the transfer of not only the digital audio signal but also the power required by the connected device - all via one CAT5e cable.The S-4000D Splitter and Power Distributor is equipped with 10 REAC ports including 8 ports of REAC Embedded Power. The S-4000D can automatically detect and distinguish a product not supporting REAC Embedded Power. In this case, power is not provided allowing the S-4000D to also function as a standard splitter when required.

* The S-4000D is required to use with the M-48.

More Info


REAC Connector: RJ-45 EtherCon Type ×2 REAC EMBEDDED POWER Connector: RJ-45 EtherCon Type ×8
REAC Power: Red ×8, Link: Green ×10, ACT: Orange ×10, Power: Blue ×1
Power Supply
AC 115V, AC 117V, AC 220V, AC 240V (50/60Hz)
Size and Weight
482 mm
19 inches
285 mm
11-1/4 inches
88 mm
3-1/2 inches
4.2 kg
9 lbs. 5 oz.
*The specifications are subject to change without notice.


Gateway Church Installs M-380 and Personal Mixing

Gateway Church Installs M-380 and Personal Mixing

The Harkins Theater is overflow seating for Gateway Church who recently installed the M-380 V-Mixer and M-48 live personal mixers purchased from a local reseller in Grand Prairie, TX. Click for Details

Oprah’s Lifeclass Production

Oprah’s Lifeclass Production

Harpo Studios drew from their Roland (S-4000S, S-0808, S-0816 and S-1608) digital snakes, along with the S-4000M REAC Merge Unit and S-MADI REAC MADI bridge, for Oprah’s Lifeclass. Click for Details



If you have a question about operating your product S-4000D, please contact our Product Support department by phone or email.

Support Documents

Compressed ZIP file S-4000D Dimensions DXF
PDF file Introduction to the Digital Snake
PDF file Introduction to the V-Mixing System
PDF file S-4000D Owner's Manual
PDF file REAC User's Guide
PDF file Digital Snake System Brochure