Magewell Pro Convert HDMI 4K Plus
4K HDMI to NDI Encoder
Send a 4K HDMI camera or computer across your network as full NDI, and keep the local screen running.
- ✓HDMI 2.0 input and loop-through up to 4096×2160 at 60 fps, 4:4:4 8-bit, so the local monitor or projector keeps its picture
- ✓Encodes NDI High Bandwidth (full NDI) up to 4096×2160 at 60 fps, 4:2:2 8-bit, ready for vMix, OBS and other NDI systems
- ✓High frame rate: up to 1920×1080 at 240 fps, which suits fast-moving sources
- ✓8 channels of HDMI embedded audio carried into NDI, with no separate audio cable
- ✓Standard PoE (IEEE 802.3af) or 5 V USB power, about 10 W maximum: one network cable carries power and video
- ✓Tally light and L-bracket supplied, and PTZ camera control through NDI
Watch the videos
Plays from YouTube when you press play. All our videos · Setup & guides playlist
Pro Convert HDMI 4K Plus setup guide
Put an HDMI source on your network as full NDI: the three cables, finding and naming it, picking it up in OBS, vMix or a Magewell decoder, planning bandwidth with multicast, and the options for sending it off-site.
Watch on YouTube Planning sheet (PDF)Pro Convert HDMI 4K Plus
HDMI to full NDI at up to 4K 60 fps, with HDMI loop-through to keep a local screen running. A standalone encoder, no computer needed.
Watch on YouTubeAbout this product
When the camera, media player or presentation PC is in one room and the production desk is in another, the network is a convenient way to join them. The Pro Convert HDMI 4K Plus is an HDMI to NDI converter for exactly that: it takes one HDMI source, up to 4K at 60 frames per second, and puts it on your network as an NDI stream. NDI is a way of sending live video between devices and software over an ordinary Ethernet network. The box is a standalone NDI encoder that works on its own, with no computer, and passes the HDMI signal on to a local monitor at the same time.
What goes in
- HDMI input. HDMI 1.4 / 2.0 or DVI-D, up to 4096×2160 at 60 frames per second with 4:4:4 colour sampling at 8-bit.
- HDMI loop-through. A second HDMI socket passes the same signal on, at up to the same 4096×2160 60 fps 4:4:4, for a monitor or projector. The presenter’s screen carries on working while the stream goes out, so you can do without a splitter.
- Audio. Up to 8 channels of audio embedded in the HDMI signal.
- Colour formats. RGB and YUV (BT.601, BT.709 and BT.2020). The EDID, which is the list of formats the input tells the source it accepts, can be customised, which lets you hold a computer to the resolution you want.
What comes out
- NDI High Bandwidth. This is the full-quality form of NDI, also called Full NDI. The encoder produces it at up to 4096×2160 at 60 fps, 4:2:2 8-bit.
- High frame rates. Up to 1920×1080 at 240 fps, 4:2:2 8-bit.
- Audio. 8 channels embedded in the NDI stream, so sound arrives with the picture.
- NDI version. NDI 6.3 is supported (firmware V1.1.376).
- Resolution and frame rate. The output can match the input or be set to a custom resolution. The frame rate is the same as the input, or one half, one third or one quarter of it.
- Where it can be used. NDI Studio Monitor, OBS, vMix and any other NDI-enabled product.
Built for full NDI
- NDI High Bandwidth throughout. This model is dedicated to full-quality NDI. For NDI HX, SRT, RTMP, RTSP, HLS, H.264 or H.265, look at the Ultra Encode range.
- Audio from the HDMI signal. Audio comes from the HDMI signal only: all 8 embedded channels travel with the picture, so one cable from the source carries everything.
- 4:4:4 in and through, 4:2:2 on the network. The input and the loop-through handle 4:4:4, so a local screen sees the full signal. The encoded NDI stream is 4:2:2 8-bit.
Power, control and mounting
- Power. Standard PoE (IEEE 802.3af) through the network cable, or 5 V through the USB 2.0 Type-B port using the supplied 5 V / 2.1 A adaptor. Maximum consumption is about 10 W, so an ordinary PoE switch is enough.
- Tally. A tally light is supplied. It plugs into the Mini-DIN 8 socket. Status LEDs on the unit also show preview and programme.
- PTZ camera control. A pan-tilt-zoom camera can be controlled through NDI using the VISCA, VISCA over UDP, PELCO-P or PELCO-D protocols, without a separate control cable back to the desk.
- Mounting. An L-bracket is supplied, so you can fix the unit beside the source.
- Size. 117.5 mm × 66.7 mm × 23.4 mm.
Up and running quickly
- It detects the input format automatically and takes its network address by DHCP.
- Settings such as de-interlacing, EDID, scaling, frame rate and aspect ratio are changed in the Web UI from a browser, so there is nothing to install.
- Units can be registered with Magewell Control Hub and managed together. HTTP APIs are provided for control systems.
- Latency is very low, which suits live production.
Where it sits in the range
This is the 4K model of the HDMI encoders. The Pro Convert HDMI Plus also accepts a 4K input and has loop-through, with an HDMI 1.4 input and encoding up to 2048×2160. The Pro Convert HDMI TX is the smaller model, a single-input encoder for sources up to 2048×1200. For SDI sources at 4K 60 fps see the Pro Convert 12G SDI 4K Plus. All models are on the Pro Convert encoders page.
Related Products
Further Reading
Frequently Asked Questions
No computer is needed. It is a standalone encoder: connect the source and the network and it appears as an NDI source. Settings are changed from a browser through the Web UI.
The HDMI input and loop-through accept up to 4096×2160 at 60 fps, 4:4:4 8-bit. The NDI stream is encoded at up to 4096×2160 at 60 fps, 4:2:2 8-bit, or up to 1920×1080 at 240 fps.
4:2:2 8-bit. The HDMI input and loop-through handle 4:4:4, so a local monitor on the loop-through receives the full signal.
NDI High Bandwidth, with NDI 6.3 support. For NDI HX, SRT, RTMP, RTSP, HLS, H.264 or H.265, see the Ultra Encode range.
By standard PoE (IEEE 802.3af) through the network cable, or by 5 V through its USB Type-B port from the supplied 5 V / 2.1 A adaptor. It draws about 10 W at most, so standard PoE is all it needs.
The encoder, a USB 2.0 Type-A to Type-B cable, a 5 V / 2.1 A power adaptor, a Mini-DIN 8 breakout cable, a tally light and an L-bracket, so power, tally and mounting are covered.
Yes. PTZ camera control works through NDI using VISCA, VISCA over UDP, PELCO-P and PELCO-D, so the camera can be steered from the NDI system.
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