SKU: 91003721047

Simplecom CM423 HDMI Audio Extractor 4K HDMI to HDMI and Optical SPDIF + 3.5mm Stereo

$66.60 $74.00
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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17

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Description

Simplecom CM423 HDMI Audio Extractor 4K HDMI to HDMI and Optical SPDIF + 3.5mm StereoWe all know HDMI transmits both video and audio through the single cable. This adapter is the ideal solution when we would like to output the audio through an external speaker system with analog or optical input, also when an older audio system without HDMI input. Simplecom CM423 HDMI audio extractor enables a user to extract the embedded audio from an HDMI source and output audio separately on either an analog stereo audio connector or a digital

We all know HDMI transmits both video and audio through the single cable. This adapter is the ideal solution when we would like to output the audio through an external speaker system with analog or optical input, also when an older audio system without HDMI input. Simplecom CM423 HDMI audio extractor enables a user to extract the embedded audio from an HDMI source and output audio separately on either an analog stereo audio connector or a digital optical SPDIF connector. The video stays within the existing HDMI signal and can be sent on to the DVI or HDMI display.  

This little adapter can be placed behind your AV hardware and powered by USB, which can take power from included wall charger or an available USB socket on your TV, Media Player or PC. CM423 meets the HDMI v1.4b standards with 4K x 2K support, which is ideal for home theatre Blu-ray and streaming video content at Ultra HD, as well as 1080p 3D and 2D down to standard-definition.

Features

Convert 1 HDMI input to 1 HDMI + (SPDIF + 3.5mm or R/L) audio output

Ideal solution  for connecting external speaker system with analog or optical input, or older audio system without HDMI input

Powered by USB (5V/500ma), Mini USB Power Cable and Wall Changer included

Simultaneous audio output to both audio outputs (HDMI Audio Splitter)

HDMI 1.4 Compliant and supports Ultra HD 4K x 2K Resolution

Supports compressed audio such as DTS Digital / Dolby Digital and uncompressed LPCM audio

Specifications

Input: 1x HDMI Input

Audio Outputs: 1x SPDIF (Optical), and 1 x 3.5mm Stereo Audio (Analog)

Video Output: 1x HDMI output (HDMI pass-through)

HDMI resolution support: 2160p @ 30Hz / 1080p @ 50/60 Hz / 1080i / 720p /1576i / 480p / 480i

Max Bandwidth: 340 MHz

Max Baud Rate: 10.2 Gbps

Input/Output TMDS signal: 0.5~1.5Volts p-p (TTL)

Input/Output DDC signal: 5Volts p-p (TTL)

Max working current: 500mA

HDMI 1.4b compliant

HDCP 1.4 compliant

Dimension: 60 x 54 x 20mm (LxWxH)

Package Contents

1x HDMI Audio Extractor

1x 0.5M HDMI Lead

1x USB Power cable

1x 3.5mm to 2RCA(R/L) Adapter

1x USB Wall Charger

1x User Manual

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: 91003721047

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Verified Purchase
Jesus Rojo
Dallas, US
★★★★★ 5
Item as described
Style: PS5 Disc, Configuration: Console only
Exactly as described no issues
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
A
Verified Purchase
amparo
Natrona Heights, US
★★★★★ 5
Fan to prevent overheating
Style: PS5 Disc, Configuration: Console only
Nice, easy to install lights are a bit bright at night but you can turn it off
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Reviewed in the United States on May 29, 2026
A
Verified Purchase
Abel
Battle Creek, US
★★★★★ 5
Excellent Purchase, Highly Recommended
Style: PS5 Disc, Configuration: Console only, Style: PS5 Disc, Configuration: Console only
⭐⭐⭐⭐⭐ Excellent purchase! My PS5 arrived on time, brand new, factory sealed, and in perfect condition. Everything works flawlessly, and the packaging was great. Amazon delivered exactly as promised. Highly recommended!
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Reviewed in the United States on May 30, 2026
J
Verified Purchase
J. Oge
Pawtucket, US
★★★★★ 5
Fantastic!
Style: PS5 Disc, Configuration: Console only
I had a PS4 for years and thought, "Why do I need a PS5?" Then Death Stranding: On The Beach was released. Great games on this console!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2026
M
Verified Purchase
Michelle
Boise, US
★★★★★ 5
If you're here, just get it, especially the disc version. You will not regret it.
Style: PS5 Disc, Configuration: Console only
This PlayStation 5 console is objectively one of the best purchases I have ever made. As we get older, we forget to keep having fun and experiencing life and everything that it has to offer. Coming from a Wii, the transition has been nothing short of astounding. The speed and responsiveness are unbelievable; it's like stepping into a whole new world of gaming and entertainment. Pairing streaming apps is an effortless process, and the visual quality of movies and TV shows has been elevated to a whole new level of stunning clarity. The ethernet port provides a rock-solid connection, eliminating any lag or interruptions, which is a huge plus for online gaming. The numerous USB ports offer so much flexibility, allowing me to connect my noise-canceling headphones directly to the system, which is incredibly convenient. However, be warned, while it advertises 1TB of storage, you're realistically looking at around 830GB. Modern games are surprisingly data-hungry, and I already feel the pinch, with only about 100-150GB remaining. I would highly recommend opting for the 2TB model from the get-though, as the 1TB will fill up quickly. Games like Ratchet & Clank and Sackboy are incredibly fun and engaging, and I'm excited to dive into the Kingdom Hearts series soon. Call of Duty: Black Ops 6 has been a blast in both multiplayer and the zombie modes, showcasing the console's power and performance. Also, seriously consider the disc version. I initially thought 4K was 4K, no matter the source, but I was completely wrong. The difference between streaming 4K and watching a 4K disc is night and day; the picture is crisp, the sound is rich, and the overall viewing experience is simply immersive. Apparently, streaming 4K is compressed, which I had no idea about. For movie and TV enthusiasts, this is an investment that pays off handsomely. Imagine experiencing iconic films like "The Dark Knight," "Interstellar," or "Inception" with this level of visual and audio quality. Even shows like "Arcane" and the Spider-Verse movies would look absolutely breathtaking. I now understand why physical media still has a place, especially for my favorite movies and TV shows that I'll rewatch countless times. The ability to watch these titles in pristine 4K, regardless of internet connectivity, is a huge bonus, especially for families.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026

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