Hydra 3x1 HDMI In-Line Cable Switch

SKU SW-30004


The Sewell Hydra is the worlds first all in one HDMI cable switch. What makes this switch special is the compact in-line design and the attached premium HDMI cables. The Hydra allows you to manually switch between three HDMI sources to one device.

Most HDMI switches are bulky and require you to find a flat area to place the device. This usually results in the unit being placed in the open next to your AV equipment adding yet another piece of clutter to you home theater. The Hydra’s in-line design allows you to let the switch hang behind your equipment helping you keep things clean and uncluttered. Traditional HDMI switches also require that you purchase additional cables, Which can introduce up to four additional points of failure to the install. This can become very expensive and time consuming waiting for separate shipping. Why not just make your life a little easier and just get the Sewell Hydra?

Hydra connection diagram

How to Install and Use the Hydra

The Hydra comes ready to use. Simply plug and play. Installation takes only minutes and requires no software, just follow these simple directions.

  1. Plug the end with a single HDMI cable into your HDMI source (usually your display).
  2. Run the 6 ft. cable to your AV equipment and plug in the HDMI cables.
  3. Once the cables are all plugged in you can easily switch sources using the button on the switch. The LED lights on the switch will indicate which cable is being used.

All in all you should only need 1-3 minutes for this entire operation.


No extra power needed

This HDMI switch simplifies life by running off the power provided in the HDMI signal you plug into it. No need to rack your brains to find another power plug, or purchase another power strip.

What the Hydra Works With

This HDMI switch is compatible with all HDMI sources and supports HDCP. This means you can connect your DVD player, Blu—ray player, Xbox 360, Playstation 3, Apple TV, HD Tivo, Laptop — you get the point. Any HDMI device you can think of.

hdmi matrix



Mfg. Part Number

  • SW-30004


  • Sewell


  • Supports HDMI 1.3b
  • LEDs indicate port usage
  • Simple One Touch switching feature
  • Plug and Play
  • Full 1080p
  • Supports 12-bit Deep Color
  • High Performance
  • up to 2.5Gbps
  • HDCP Passthrough
  • Requires no Power


  • Total Length: 6 ft, 5 in.
  • Output Cable Length:4 ft 6 in
  • Input Cable Lenghts: 1 ft 6 in
  • SwitchLenght: 5
  • Box Dimensions: 18.5x21.5x4 cm (LxWxH)
  • Weight: 292 grams
  • Color: Black

Customer Reviews

Based on 1 review
Part Number: SW-30004
Best 3x Switcher Out There!

Pros: -Solid build quality -Not a listed feature but it DOES switch automatically. I turn off the previous device and then the next and it auto senses the active input. (Tested with 360/Wii U/PS3) -Self-powered from HDMI connections -Plugs in and works immediately -Auto switch then HDCP handshake is super fast <1s even from console - Hydra - receiver - TVCons: -Cable length on device side is a bit short, that combined with the thicker gauge wire could make it tough for many setups, a modern version with the thin style HDMI cables would be a perfect device. -Cable ends aren't numbered (technically doesn't matter with the auto sense but would be good to know)Other: I got this to replace one of those cheap frequently rebranded 3x1 HDMI switchers with the pigtail when I built myself an in-wall unit. I had resigned to getting a physical button switcher because all of the auto sensing ones I've used or read reviews on had really mixed results. After lots of comparison I opted for the Hydra due to the simplicity, no extra cables needed. Plugged it all in (had to put the consoles on the same shelf because of device-side cable length; also, the cables aren't numbered but do match the numbered physical spacing where the LEDs are) powered up a game and... IT AUTO SENSED IMMEDIATELY. Wait? What? It did what the other switchers couldn't and it wasn't even an advertised feature! My old switcher would take nearly 5 seconds for the HDCP handshake to happen and would sometimes ch

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