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To stream a pre-recorded video as a 4K 60fps HDR YouTube Live broadcast, add the file to OBS as a Media Source, configure the scene for 3840×2160 at 60 fps, and use YouTube’s documented HDR path: OBS 30.1 or later, an HDR source, hardware HEVC encoding with Main 10, P010 (4:2:0), and Rec. 2100 PQ or HLG. YouTube recommends HLG. A 4K60 file alone does not make the broadcast HDR; the source, color settings, encoder and ingest protocol must agree.
This guide covers the local OBS workflow, YouTube setup, verification and common faults. For a stream that repeats continuously, enable Loop on the Media Source.
Before you start: confirm the source and system can support HDR
YouTube’s documented OBS HDR workflow specifies OBS 30.1 or later, at least one HDR source, and a compatible hardware HEVC encoder. Your installed OBS build and computer must expose the required settings; availability depends on the platform, OBS build and encoder hardware.
- Check the video’s frame size, frame rate, codec and HDR transfer/color metadata. For a genuine 4K60 output, the target is 3840×2160 at 60 fps.
- Confirm the recording is actually HDR and whether it uses PQ or HLG. Upscaling an SDR recording or selecting HDR output cannot restore HDR highlights or color information that is not in the source.
- Check that your computer can decode the file and encode HEVC Main 10 at 4K60 without dropping frames. No particular graphics card is guaranteed by the general requirements; verify the options on your own system before scheduling.
- Check that your upload can sustain the intended bitrate with headroom. Advertised peak upload speed is not a guarantee of steady streaming capacity.
YouTube’s HDR live-streaming guidance describes the required HDR path. Its live encoder settings guidance gives the bitrate and keyframe recommendations below.
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#1 Best Overall
Elebase USB to USB C Adapter for iPhone 18 Pro Max,USBC Car Charger Adapter
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
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Add the pre-recorded video to OBS
- Create or select a scene. In OBS, use the scene that will carry the program video and audio.
- Add the file. In the Sources panel, choose + → Media Source, create a new source or select an existing one, and browse to the recording. OBS Media Source supports common formats including MP4, TS, MOV, MKV, AVI, FLV, WebM and GIF.
- Set playback behavior. Enable Loop if the video should restart automatically at the end. Leave it off for a one-pass event. Choose whether playback should restart when the source becomes active, and whether the source should disappear when playback ends, to suit the show.
- Set the output canvas and frame rate. Configure OBS for 3840×2160 and 60 fps if the intended broadcast is 4K60. Confirm that the source and output frame rate behave as expected rather than assuming the file’s label guarantees smooth output.
- Check audio routing. Make sure the file’s audio reaches the OBS program mix. Play a representative section and check synchronization, levels and whether desktop or notification audio is also entering the broadcast.
OBS’s Media Sources guide explains source playback controls. Treat these checks as preparation for your own setup, not as a substitute for a full test on the system you will use.
Configure OBS and YouTube for HDR
- Choose a supported YouTube ingest route. YouTube’s HDR guidance allows RTMP(S) or HLS. Select the matching YouTube service in OBS if it is available in your installed version; service choices and compatibility can vary by build.
- Use the documented HDR encoder settings. Select a hardware HEVC encoder, set the profile to Main 10, enable HDR using P010 (4:2:0), and select Rec. 2100 PQ or HLG. YouTube recommends HLG. Match the transfer function to the actual source rather than choosing one by guesswork.
- Configure the stream key for the protocol. If you use HLS, make sure the stream key is configured for HLS. YouTube says to leave manual resolution unchecked for HDR.
- Set the target output. Use 3840×2160 at 60 fps for a 2160p60 broadcast. Check the actual output and encoder status in OBS before the event.
- Set bitrate and keyframes. YouTube’s 2160p60 table lists an ingestion range of 10–40 Mbps for AV1/H.265 and recommends 35 Mbps for H.264. For HDR, use the required HEVC path rather than treating H.264 as an HDR substitute. YouTube recommends CBR and a two-second keyframe interval, not exceeding four seconds. Pick a sustainable bitrate within the applicable guidance and test the real connection.
Encoder values are YouTube’s published operating guidance, not a promise that every connection, playback device or system will deliver the same result. See YouTube’s encoder settings and bitrate recommendations and HDR setup instructions.
Rank #2
Anker USB-C Hub, 5-in-1 USB Hub for Laptops, 4K HDMI Multiport Adapter
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
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- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
Schedule, test and verify the stream
- Create or schedule the broadcast. In YouTube Live Control Room, create the event and connect OBS using the stream key or account connection.
- Run a private or otherwise appropriate test first. YouTube advises testing before going live. Use motion and audio similar to the planned program, then inspect the incoming preview and stream-health indicators before the public event. First-time live-stream enablement can take up to 24 hours.
- Check the received HDR on a supported device. The Live Control Room preview does not display HDR colors, so its appearance alone cannot establish whether the feed is SDR. Once available, play the stream on an HDR-capable display/device and check for the HDR badge in the quality menu. YouTube serves SDR playback to devices that do not support HDR.
- Monitor during the event. Watch stream health and OBS for dropped frames or encoder problems. If ingest is unstable, lower bitrate or output demands to a level the connection can sustain, then retest.
YouTube’s live setup guidance covers testing and stream health. Its HDR help explains HDR playback and the limitations of the preview.
Troubleshoot common 4K HDR problems
| Symptom | What to check | Fix or next step |
|---|---|---|
| Hardware HEVC or Main 10 option is missing | The OBS build or encoder hardware may not expose a compatible hardware HEVC HDR path. | Check that OBS is 30.1 or later and verify hardware support on the computer. Do not assume software H.264 encoding can carry YouTube Live HDR. |
| Colors look washed out or wrong | Check whether the source is genuine HDR, whether PQ/HLG matches it, whether OBS is set to P010 and the intended color space, and whether HDR is enabled on the viewing display. | Correct the source/transfer-function mismatch and verify on a supported HDR device. Do not diagnose color from the Live Control Room preview, which does not show HDR colors. |
| YouTube does not offer 2160p60 | Check OBS output resolution and frame rate, then inspect ingest health. | Allow YouTube to process the stream and create viewer renditions. Do not assume every device or connection will offer 4K HDR playback. |
| Dropped frames or unstable ingest | The chosen bitrate or output demands may exceed what the upload can sustain steadily. | Reduce bitrate or output demands and test again. YouTube recommends choosing a bitrate for a reliable connection and checking upload speed. |
| The video stops after one play | Loop may be disabled on the Media Source. | Enable Loop if the program should repeat. |
Or let it run in the cloud
For a YouTube stream built from uploaded video that should keep running without OBS on your computer, StreamNeo runs the loop in the cloud. Upload the recording or build a playlist, add your YouTube stream key once, and go live. It plays uploaded videos, not a live camera feed.
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Bestseller No. 5
Best Value
Anker USB C Hub, 5-in-1 USBC to HDMI Splitter with 4K Display
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
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- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
Rank #4
Sale
UGREEN USB to USB C Adapter Combo 4-Pack, 10Gbps USB C Converter Space Gray
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- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
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- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
Rank #3
Sale
Anker USB C Hub, 7in1 Multi-Port USB Adapter, 4K@60Hz USBC to HDMI Splitter
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
- Nothing has to stay on at home; the stream runs from the cloud.
- Uploaded video streams as made, up to 4K 60fps, at one flat price per slot rather than quality tiers.
- StreamNeo automatically recovers if YouTube drops the stream.
- The first day is free with no card, one free day per account.
- Monthly: $9.99 per month.
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