SWIT S-4601 HDMI To SDI Converter

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£212.40 £177.00
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Product Information

Swit S-4601 HDMI To SDI Converter

The Swit S-4601 is a portable HDMI to 3G/HD/SD-SDI converter. It supports HDMI audio embedded input and passes it through to the SDI output, The Converter also incorporates a 3.5mm socket input for Headphone monitoring.

S-4601 is a heavy-duty housing design, protecting the BNC connectors well, and supplied various screw threads in the bottom, for convenient installing, and for mounting future accessories (battery mount, etc).

S-4601 is a mini converter for HDMI to SDI conversion, widely used on broadcasting the HDMI video source, supports up to 1080p 50/60 HDMI converted to 3Gb/s SDI.

Input and Output:

  • 1× HDMI Type-A input
  • 2× 3G/HD/SD-SDI output (Reclocked)
  • 1× 3.5mm audio input

Embed HDMI/Analog audio into SDI output

The HDMI audio ch-1 & ch-2 can be embedded into SDI to output. And when there’s analogue audio input via 3.5mm socket, the stereo analogue audio can be embedded into SDI to output. The audio supports a 48kHz sample rate.

Status Indicators

S-4601 provides 3 LED indicators, to check if the power is connected, and if the input/output signal is delivered.

Power Supply

The mini converter is powered by a pole-tap DC socket. The package includes an AC-DC power adaptor, and you can also connect DC cable from 6-18V batteries.

Heavy-Duty Housing

The S-4601 mini converter adopts unibody aluminium alloy housing, strong for field using and protects the BNC connectors effectively.


S-4601 provides the bottom 1/4-inch screw threads for fixing on cameras, and an installing plate is supplied in the package, for fixing on the wall and binding the BNC/HDMI cables.

Key Features:

  • Portable HDMI to 3G/HD/SD-SDI
  • 1 HDMI input, 2 SDI output
  • 1 analogue audio (3.5mm) input
  • Embed HDMI audio to SDI output
  • Embed analogue audio (3.5mm) to SDI output
  • Power/input/output status indicator
  • Heavy-duty housing
  • Bottom screw threads for installing 
  • Portable HDMI to 3G/HD/SD-SDI
  • 1 HDMI input, 2 SDI output
  • 1 analogue audio (3.5mm) input
  • Embed HDMI audio to SDI output
  • Installation plate
  • AC-DC Adaptor



HDMI input

Analog audio input


BNC ×1

3G/HD/SD-SDI loop output
Video FormatSDI1080p (60 / 59.94 / 50)
1080i (60 / 59.94 / 50)
1080p (30 / 29.97 / 25 / 24 / 23.98)
1080psf (30 / 29.97 / 25 / 24 / 23.98)
720p (60 / 59.94 / 50)
480i (59.94)
576i (50)
Working VoltageDC 6-18V 
Working EnvironmentTemperature: 0°C-+70°C, Humidity:10%-90% 
Dimensions98×84×29 mm 
Net weight210g