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Compact rectangular transmitter with four DMX ports, Ethernet jacks, antennas and a colour TFT display

Aputure

Aputure Sidus Four 4-Universe CRMX Transmitter with Router & Ethernet Node

SKU CH-W8EX-XDFF3

A four-universe CRMX transmitter with built-in wireless router and Ethernet node, supporting up to four wired DMX512 ports and eight total universes

  • Controls four CRMX universes wirelessly
  • Adds four wired DMX512 ports for cabled fixtures
  • Links multiple units via Ethernet for network expansion
  • Runs Art-Net and sACN over EtherCon or Wi-Fi
  • Large colour-coded TFT display resists burn-in

Four-Universe CRMX Transmitter

The Aputure Sidus Four is a four-universe CRMX transmitter with a built-in wireless router and Ethernet node. It supports up to four additional wired DMX universes and transmits up to eight DMX universes simultaneously. The unit handles CRMX, DMX512, Art-Net and sACN over Ethernet or Wi-Fi. It is designed for lighting professionals who need scalable network control.

Four Bidirectional DMX512 Ports

The chassis includes four bidirectional DMX512 ports for direct wired connections. A built-in Ethernet switch allows network expandability by linking multiple units together. The large colour-coded TFT display provides instant status updates on the entire lighting network. TFT panel technology eliminates concerns about panel burn-in common with OLED and LCD displays.

Low-Power Network Operation

The device operates as a low-power network node managing up to 512 channels per universe. Passive cooling keeps the unit silent during extended production runs. Power draw remains minimal while maintaining wireless and wired DMX transmission. The transmitter is built for continuous use in studio and live-event environments.

How it compares

Measured against everything we stock in Photo Lighting & Studio Flashes, at today’s prices. Recalculated every night.

Price $1,763.99
Pricier than about 91% of the 3,696 comparable items (median $57.99).

Specifications

No published specifications for this item yet.

Questions about this item

How many DMX512 ports does the Sidus Four provide and what standard do they use?

The unit has four bidirectional DMX512 ports for wired universe connections.

What physical network connector is used for the Ethernet node and switch?

The Sidus Four uses an EtherCon port for wired Ethernet and network expansion.

How is the Sidus Four configured for CRMX, Art-Net or sACN operation?

Settings are adjusted on the built-in colour TFT display, which shows universe status and network parameters for each protocol.

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