AJA FS4

The AJA FS4 has 12 inputs and 12 outputs: 13 × SDI, 4 × MADI, 3 × Analog Audio, 2 × AES3.

Inputs and outputs

SDI (13)

PortDirectionConnector
SDI In 1InBNC
SDI In 2InBNC
SDI In 3InBNC
SDI In 4InBNC
SDI SFP In 1InSFP/SFP+
SDI SFP In 2InSFP/SFP+
BNC Monitor OutOutBNC
SDI Out 1OutBNC
SDI Out 2OutBNC
SDI Out 3OutBNC
SDI Out 4OutBNC
SDI SFP Out 1OutSFP/SFP+
SDI SFP Out 2OutSFP/SFP+

MADI (4)

PortDirectionConnector
MADI BNC InInBNC
MADI Fiber InInFIBER
MADI BNC OutOutBNC
MADI Fiber OutOutFIBER

Analog Audio (3)

PortDirectionConnector
GPI InInDB25
Reference InInBNC
Reference Loop OutOutBNC

AES3 (2)

PortDirectionConnector
AES InInDB25
AES OutOutDB25

Ethernet (1)

PortDirectionConnector
EthernetInRJ45

HDMI (1)

PortDirectionConnector
HDMI Monitor OutOutHDMI

Specs

Category
Converter

What it connects to

  • Analog Audio in: 1,158 devices in the library can feed it.
  • Analog Audio out: 1,152 devices in the library take it as an input.
  • Ethernet in: 498 devices in the library can feed it.
  • HDMI out: 408 devices in the library take it as an input.
  • SDI in: 391 devices in the library can feed it.
  • SDI out: 375 devices in the library take it as an input.

Use the AJA FS4 in a diagram

Add it from the library with these ports, connect it, and Patchify numbers the cables and builds the schedule, labels and rack.

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All AJA gear

Port data from the Patchify gear library, last updated 9 October 2026. Report a correction

AJA FS4 Inputs, Outputs & Specs | Patchify