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Simulcasting—also called multistreaming—sends the same live program to YouTube and one or more other platforms at the same time. You can send separate outputs from your encoder to each destination, or send one output to a relay service that forwards it. Choose based on your upload capacity, setup, destination count, cost, and how you will monitor each platform.
Choose how to send your stream
| Route | How it works | What to consider |
|---|---|---|
| Encoder to each destination | Your streaming encoder sends an output to every platform you configure. YouTube’s guide covers choosing an encoding method and configuring an encoder for a live event. | Check whether your encoder supports the destinations you need and whether your internet connection can handle the outputs. Setup and monitoring are managed across the configured destinations. |
| Encoder to a relay | Your encoder sends one incoming stream to a relay service, which forwards it to the platforms. Destinations may be configured with a service integration or with a platform’s server URL and stream key. Cloudflare documents forwarding live streams; Restream describes an OBS workflow for Twitch and YouTube. | Check the service’s supported destinations, setup requirements, and current cost. The relay workflow can reduce the need to configure multiple outputs in an encoder, but it adds a service to your broadcast path. |
Neither route is best for every creator. Compare ease of setup, available upload capacity, local encoding and hardware load, number of destinations, service cost, and the way you will check that each platform is receiving correctly.
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Get YouTube and other destination accounts ready
- Verify your YouTube channel and enable live streaming. If this is your channel’s first live stream, request access early: YouTube says activation can take at least 24 hours after the first request. See YouTube’s guide to streaming across platforms.
- Check every other account. Make sure it is active, in good standing, and enabled to stream. YouTube advises checking each destination’s own help documentation for its requirements.
- Gather connection details. Depending on the encoder or relay, you may need a platform integration or its RTMP server URL and stream key. Treat each stream key as a credential: it authorizes a stream, so keep it private and do not include it in screenshots, public chat, or other exposed material.
- Choose your route and configure destinations. Add each platform through your encoder or relay’s supported connection method. Confirm that the selected destinations match the accounts you intend to use.
- Check your upload capacity. YouTube says sufficient internet upload speed is critical for high-quality simulstreaming. There is no single Mbps figure that applies to every setup; the needed capacity depends on your stream configuration and delivery route. A wired Ethernet connection is an optional way to connect the computer to the network, not a way to increase the bandwidth supplied by your internet service.
- Test the complete path before an important broadcast. Check that each destination receives the stream and that its picture and sound are usable. One successful encoder connection does not prove every destination is receiving correctly.
If Twitch is one of your destinations
Twitch permits simulcasting subject to conditions in its Terms of Service and Simulcasting Guidelines FAQ. Read the current wording before you go live, since platform rules can change.
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- Maintain the Twitch viewer experience. Twitch says the experience on Twitch must be at least as good as on the other platforms. Its FAQ gives making Twitch video quality worse than the other service as an example of a degraded experience.
- Do not direct Twitch viewers to the concurrent stream. The FAQ says profile links to other social accounts, including streaming platforms, can appear in channel information, but creators may not actively promote or direct viewers to the concurrent livestream from Twitch through banners, titles, go-live notices, chat commands, or similar means.
- Keep cross-platform activity off the Twitch simulcast. Twitch’s terms prohibit using third-party tools to combine cross-platform activity on the Twitch stream, such as merged chat. The FAQ says personal-use tools that combine activity are allowed when the combined activity is not displayed on the Twitch simulcast.
Apply Twitch’s current guidance to the exact tools and on-screen elements in your setup rather than assuming that a feature permitted off-stream is permitted on the Twitch broadcast.
#1 Best Overall
Audio Express AXHDCAP 4K HDMI Video Capture Card, Cam Link Card Game Audio Adapter HDMI to USB 2.0 Record Capture Device for Streaming, Live Broadcasting, Video Conference, Teaching, Gaming
- [Enhanced 4K-1080P Video Capture Experience] Capture the Magic: Elevate your video recordings to new heights with our upgraded anti-static 1080P Video Capture Card. Immerse yourself in stunning visuals, supporting HDMI input at 4K 60FPS and USB output for capturing in 1080P, complete with rich stereo sound. Enjoy crystal-clear video recordings, dynamic gaming live streams, and professional conference broadcasts. Note: HDMI resolution: Max input can be 3840×2160@30Hz / Video output resolution: Max output can be 1920×1080@30Hz
- [Seamless Real-Time Preview] Stay in the Moment: Our advanced ultra-low latency technology ensures seamless real-time transmission of video streams. Experience instant, lag-free previews, allowing you to capture every detail precisely. Effortlessly record video directly to your hard disk, all without compromising on quality or introducing any delays.
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Monitor each destination while live
Once the broadcast starts, check the status and audio and video quality on every platform. If one destination fails while others continue, troubleshoot that destination’s connection and credentials rather than assuming the entire broadcast is down. Keep access to the relevant encoder or relay controls so you can see which outputs are connected.
Or let it run in the cloud
If the goal is a continuous YouTube channel built from uploaded videos—not a live camera broadcast—StreamNeo is a separate option. Upload a recording or build a playlist, add your YouTube stream key once, and go live. StreamNeo loops uploaded videos from the cloud, so your computer and home connection do not have to stay on. It is YouTube-only and does not replace the live multi-platform workflow above.
Rank #2
Sale
Capture Card, 4K HDMI Video Capture Card, Game Capture Card, 1080P 60FPS Video Capture Device, HDMI to USB 3.0 Capture Card for Streaming, Work with Camera/Xbox/PS4/PS5/PC/OBS
- 【1080P HD High Quality】Capture resolution up to 1080p for video source and it is ideal for all HDMI devices such as PS4, PS3, Xbox One, Xbox 360, Wii U, DVDs, DSLR, Camera, Security Camera and set top box. Note: Video input supports 4K30/60Hz and 1080p120/144Hz. Does not support 4K120Hz/144Hz. Output supports up to 2K30Hz.
- 【Plug and Play】No driver or external power supply required, true PnP. Once plugged in, the device is identified automatically as a webcam. Detect input and adjust output automatically. Won't occupy CPU, optional audio capture. No freeze with correct setting.
- 【Compatible with Multiple Systems】suitable for Windows and Mac OS. High speed USB 3.0 technology and superior low latency technology makes it easier for you to transmit live streaming to Twitch, Youtube, Facebook, Twitter, OBS, Potplayer and VLC.
- 【HDMI LOOP-OUT】Based on the high-speed USB 3.0 technology, it can capture one single channel HD HDMI video signal. There is no delay when you are playing game live.
- 【Support Mic-in for Commentary】Rybozen capture card has microphone input and you can use it to add external commentary when playing a game. Please note: it only accepts 3.5mm TRS standard microphone headset.
- Nothing has to stay on at home.
- Videos stream as uploaded, up to 4K 60fps, at one price per slot regardless of quality.
- StreamNeo automatically recovers if YouTube drops the stream.
- The first day is free with no card required (one free day per account).
Monthly: $9.99 per month.
Start your free StreamNeo day.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Costs and practical trade-offs
With direct encoder outputs, check whether your chosen software and computer can support the number of destinations you plan to use. With a relay, check the service’s current plan and destination support before relying on it. The cited Restream page documents a Twitch-and-YouTube workflow; it does not establish comparative performance or current pricing. For either route, a wired connection is optional and cannot compensate for insufficient internet upload capacity.
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Quick Recap
SaleBestseller No. 2
Best Value
Sale
Capture Card 4K HDMI Video Streaming to USB 3.0 1080P 60FPS Capture Device
- High-Quality Video Capture, 4K HDMI Capture Card Ready: Capture smooth and vibrant video with this 4K HDMI capture card, engineered for gamers and content creators who demand crisp 1080P 60FPS video quality. Whether you're streaming to Twitch or recording gameplay for YouTube, your footage will look professional and detailed
- Plug-and-Play USB Capture Card, No Drivers Needed: Designed as a USB capture card for streaming, this device works instantly out of the box, just plug into your PC or laptop and start capturing. Fully compatible with popular software like OBS Studio, Streamlabs, and XSplit, making setup quick and stress-free for beginners and pros alike
- Universal Compatibility PS5, Xbox, Switch & More: Stream or record gameplay from virtually any HDMI-enabled device including Nintendo Switch, PS5, Xbox Series X, DSLR cameras, and PCs. The video capture card for gaming supports seamless passthrough so you can play without lag while your audience watches every frame in real time
- Low-Latency Performance for Smooth Streaming: This capture card for streaming minimizes delay between gameplay and broadcast, so you get reliable, low-latency capture that works well for competitive gaming, live broadcasts, and podcast sessions. Suitable for those building their channel with high-quality, engaging content
- Compact & Portable Design for Content Creators: Lightweight and portable, this USB 3.0 capture card works well for creators who travel or switch gaming setups often. Throw it in your bag and stream or record wherever you are, at home, events, LAN parties, streaming or studio sessions
Rank #4
Video Capture Card, 4K USB3.0 HDMI to USB C, 1080P60FPS HDMI Capture Card for Streaming, Gaming, Video Recording Compatible with Switch, Xbox, PS4/5, OBS,iPad Mac OS Windows,Camera, Zoom(Silver)
- 【4K HDMI Input, 2K@30Hz Recording】Powered by a true USB 3.0 high-speed interface, the capture card supports up to 4K@30Hz HDMI input and records at 2K@30Hz or 1080P@60Hz. Perfect for gamers, streamers, and professionals who need crisp, smooth video for live streaming, gameplay recording, or online meetings.
- 【Ultra Low Latency Screen Sharing】Built with a premium aluminum alloy shell and advanced chipset for stable heat dissipation, ensuring ultra-low latency transmission. Capture high-quality video and dual-channel audio in real time—no lag, no frame drop—ideal for Twitch, YouTube, or OBS streaming.
- 【Easy Plug and Play, Compact & Portable】No driver or external power required—just plug and play via USB 3.0 or Type-C connection to your Windows or macOS computer. Lightweight and compact design makes it easy to carry for outdoor streaming, live shows, or mobile recording setups.
- 【Wide Compatibility & Multi-Device Support】Compatible with Windows 7 8 10 11, macOS, Linux,Android and supports most popular software such as OBS, Zoom, VLC, Twitch Studio, and more. Works seamlessly with PS4, PS5, Xbox, Switch, DSLR cameras, TV boxes, and other HDMI-output devices for streaming to YouTube, Twitch, etc.
- 【What You Get】Includes: HDMI Capture Card, USB 3.0 to USB-C Adapter, User Manual. Tips: Make sure your tablet’s OTG function is enabled before connecting. Test your HDMI device with a monitor first to confirm video and audio output, then connect to the Video Capture Card for recording.
Rank #3
Guermok Video Capture Card, 4K USB3.0 HDMI to USB C, 1080P 60FPS & 2K 30FPS
- 【1080P 60FPS Video Capture Card】 This HDMI game capture card is based on USB3.0 high speed transmission port, input resolution up to 4K@30HZ, output resolution up to 2K@30Hz or 1920×1080@60Hz. Type c and USB interface can meet most of the devices in daily life. Easily meet the online capture, real-time recording, online meetings, live gaming and other functions, so you have a better visual enjoyment. Note: For capture use only; requires capture software to function and is not intended for direct screen casting to a monitor or TV
- 【Ultra Low Latency Screen Sharing】 HDMI capture card is made of good quality aluminum alloy with strong heat dissipation, allowing you to enjoy ultra low latency while live gaming or video recording or live streaming, avoiding blue screens and lag. This HDMI to USBC capture card supports easy recording of good quality audio or HD video and transferring it to your computer or streaming platform, allowing you to record 60 fps HD video directly on your hard drive and real-time preview
- 【Plug and Play, Easy to Carry】 This HDMI 1080P video capture card does not require any additional drivers or external power supply, just plug and play for fast capture. The capture card is small and lightweight, so you can put it in your bag for emergencies, making it very portable for outdoor live streaming. It's also a great way to share content in game recording, video conference, video recorder and online teaching
- 【Wide Compatibility USB Capture Card】 Easily streams to Facebook, Youtube or Twitch. With the connection, this HDMI to USB C/3.0 video capture devices can be working on several Operating Systems and various software: Windows 7/ 8/ 10, Mac OS or above, Linux, Android, Laptop, Xbox One, PS3/PS4/PS5, Camera, DVDs, Set Top Box, Webcame, DSLR, Switch/Switch 2, TV BOX, HDTV, Potplayer/VLC, ZOOM, OBS Studio etc.
- 【Package Content & Note】 1x HD Audio Capture Card , 1x USB 3.0 to USB C Adapter (A-side 3.0, B-side 2.0), 1x user manual. Please note that you need to restart the OBS Studio software after the audio setup is complete, otherwise it will result in no sound output. When using an adapter, if the device is recognized as USB 2.0, try using the other side with the USB-C port. Simply flip the capture card and reconnect it to be recognized as USB 3.0
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