SKU: 51981921339

Simplecom CM340 Mechanical 4 Way HDMI Switch Box 4 Port 4K UHD HDCP

Sale price$17.95 Regular price$19.95
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Ships within 48 hours · Estimated delivery Jul 17 - Jul 22

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Description

Simplecom CM340 Mechanical 4 Way HDMI Switch Box 4 Port 4K UHD HDCPCM340 Simplecom CM340 Mechanical 4 Way Manual Push Button HDMI Switch Box 4 Port 4K UHD HDCP OVERVIEW With an increasing number of HDMI enabled entertainment devices becoming available, such as games consoles, DVD players and network streaming boxes, you are likely to find yourself lacking in HDMI ports with a large number of sets only possessing the one. The Simplecom CM340 HDMI Switch Box solves this problem by allowing 4 HDMI sources to be

CM340

Simplecom CM340 Mechanical 4 Way Manual Push Button HDMI Switch Box 4 Port 4K UHD HDCP

OVERVIEW

With an increasing number of HDMI enabled entertainment devices becoming available, such as games consoles, DVD players and network streaming boxes, you are likely to find yourself lacking in HDMI ports with a large number of sets only possessing the one.

The Simplecom CM340 HDMI Switch Box solves this problem by allowing 4 HDMI sources to be connected to a single HDMI port on a HDTV. Switching between the 4 devices is then made easy by the front control buttons so you no long have to spend ages, fiddling with wires behind your TV.

HDCP Compatible, thanks to mechanical switch design without re-processing of the HDMI signal, the TV will get the original signal directly from HDMI sources by switching physical pins of HDMI port, which will overcome interference and incompatibility issue caused by processor chip based HDMI switch, especially for HDCP protected contents such as Foxtel, Apple TV.

FEATURES

  • Mechanical HDMI Switch without re-processing of the HDMI signal
  • No processor chip inside and does not consume power
  • 4 x HDMI Inputs, 1 x HDMI Output
  • Manual switching HDMI inputs via front 4 buttons
  • Plug and play, no external power required
  • Support both compressed or uncompressed audio
  • HDCP Compatible, support HDCP protected contents such as Foxtel, Apple TV, Fetch TV and more paid contents
  • Support multiple switches link to get more HDMI inputs, e.g. link 2 switches together to get total 7 HDMI inputs effectively

SPECIFICATIONS

  • Color: Black
  • HDMI Version: 1.4
  • HDCP Compliance: Yes
  • Remote Control: No
  • Switch Mode: Manual (via 4 Push Buttons)
  • Resolutions Support: 576i, 576p, 720i, 720p, 1080i, 1080p, 4K@30Hz
  • Uncompressed audio Support: LPCM
  • Compressed audio Support: DTS Digital, Dolby Digital (including DTS-HD and Dolby True HD)
  • Dimension: 154mm (W) x 118mm (D) x 23mm (H)

Note:

For stable connection, the total cable length from the source to the terminal device may not exceed 5 metres. For 4K UHD source,reduce total length as low at 3-4 meters to maintain stable connection.

WARRANTY

1-Year Limited Warranty

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 51981921339

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4.8 ★★★★★
Based on 28 reviews
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J
Verified Purchase
Jaden T Wilson
San Leandro, US
★★★★★ 5
Solid
Style: KIT
Waterproof, great for field exercises
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026
T
Verified Purchase
teddy
San Leandro, US
★★★★★ 4
Nice quality but could be better for the price.
Style: COVER
So nice quality but strange dimensions. There is no way to fold a standard 8.5x11" sheet of computer paper to fit neatly in this. So if you want to print out your own documents to take with you in this, this isn't ideal. Has 2 internal pen slots and one on the outside. Has two business card slots but I wish it had more.
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Reviewed in the United States on January 21, 2026
R
Verified Purchase
Runner Chick
Lowell, US
★★★★★ 5
Pen Holder is Very Narrow
Style: COVER
Overall this item is effective for holding a Rite in the Rain 4.625" x 7" spiral side-bound notebook. There is no zipper on this so it does not seal. It has slots for a few cards and folded or smaller items can be tucked behind the notebook in the pockets that hold the covers. I haven't used it in the rain enough yet to know if those papers I have tucked in will stay dry. The description says a cell phone could be stored in those pockets as well. I haven't tried this, but my cell phone with a cover wouldn't fit. If you have a thin cell phone it might work, but I prefer to put both covers slid into the pockets so the notebook stays open easier when using it. The outer elastic closure is tight enough without being too tight. However, the pen holders are quite tight and small. They likely work well to hold in the Rite in the Rain pen that is narrow and smooth and possibly a narrow and smooth mechanical pencil, but they are too tight for my side click mechanical pencil. I could barely slide it in and when I tried to pull it out, the top half pulled off the bottom half of the pencil. It would also be a struggle to put larger pens in and out, but the elastic might stretch to fit those that are smooth over time. Despite not being able to use the loops for my preferred pencil, I chose to keep it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 23, 2025
M
Verified Purchase
MAK
Natrona Heights, US
★★★★★ 5
Just what I was wanting
Style: KIT
Ordered to use a a gym notebook to track my progress. It’s holding up well being exposed to being shoved in a cramped gym bag repeatedly over the last 2 months. Sweat and water hasn’t hurt it and the cover seems to be holding up well. Still looks practically brand new.
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Reviewed in the United States on November 5, 2025
A
Verified Purchase
a plant nursery
Chelsea, US
★★★★★ 5
Good notebook kit
Style: KIT
Good little notebook, I use it in the field(plant nursery) daily. The pencil is ok, just a little thick…pause. But other than that, recommend.
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Reviewed in the United States on November 6, 2025

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