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Stream an HDMI source in 4K at up to 30 fps and keep a recording in the same small box.
When an event has to go out live and also be kept, you normally need an encoder, a recorder and a way to power them at the camera or lectern. The Ultra Encode HDMI Plus rolls those into one. It is a small standalone hardware streaming encoder for one HDMI source: it encodes at up to 4K, streams to several destinations at once, and can record to its own built-in storage. It is set up in a web browser and then runs without a computer.
The Plus is the model to choose when you want more than HD from a compact encoder. Compared with the standard Ultra Encode HDMI it adds 4K encoding, NDI HX3, RIST and Zixi, a higher bitrate, built-in recording storage and PoE.
For audio you can use the sound embedded in the HDMI signal, or plug a line-level source into the 3.5 mm line input. There is also a 3.5 mm line output.
For an SDI source see the Ultra Encode SDI Plus. For both HDMI and SDI inputs in one unit see the Ultra Encode AIO. All models are on the Ultra Encode range page.
| SKU | 531500000 |
| Brand | Magewell |
| Category | Ultra Encode |
| Form Factor | Standalone encoder — T-bracket supplied |
| Video Input | 1× HDMI (HDMI 1.4a, DVI-D) — up to 4096×2160 / 3840×2160 30 fps 4:4:4 / 4:2:2 |
| Loop-through | 1× HDMI |
| Audio Input | HDMI embedded (8 channels, 24-bit, 192 kHz) — 3.5 mm line in (2 channels) — no XLR |
| Audio Output | 3.5 mm line out |
| Encoding | Video: H.264 (AVC), H.265 (HEVC) — main stream up to 4096×2160 30 fps, sub stream up to 1920×1080 60 fps — up to 62 Mbps (NDI HX3) / 32 Mbps (other protocols) |
| Streaming Protocols | RTMP / RTMPS — RTSP — SRT Caller / Listener — NDI® HX2 / HX3 — HLS — MPEG-TS over UDP / RTP — RIST Caller / Listener — Zixi — TVU ISSP |
| Destinations | Up to 6 simultaneous destinations — 2× NDI HX2 or 1× NDI HX3 (exclusively) — up to 8 overlays per stream (text, picture, clock) |
| Recording | 128 GB internal storage, USB drive (FAT32, exFAT, NTFS) or NAS (NFS / CIFS) — MP4, MOV, TS — loop recording — scheduler — upload to FTP, Google Drive, Dropbox |
| Network | 1× RJ45 Gigabit Ethernet (10/100/1000) with PoE — Wi-Fi 802.11 a/b/g/n/ac (Station and AP modes) — 4G / 5G USB modem supported (not supplied) |
| Other Ports | 1× USB Type-A |
| Management | Web UI (PC or smartphone) — Magewell Control Hub — Zixi ZEN Master — APIs for third-party control systems |
| Power | PoE (IEEE 802.3af) or DC 5 V / 3 A adapter (supplied) — max 8.68 W |
| Dimensions | 106.6 mm × 106.2 mm × 25 mm |
| Included Accessories | 5 V power adapter — HDMI cable — USB Type-A to Type-B cable — Wi-Fi antenna — T-bracket |
| Working Environment | Operating: 0°C to 40°C — Storage: −20°C to 70°C — Humidity: 5–90% non-condensing |
| UK Stock | In Stock |
| Warranty | 2 Years (Magewell manufacturer warranty) |
Full specifications: magewell.com/tech-specs/ultra-encode-hdmi-plus ↗
Everything included in the box with the Ultra Encode HDMI Plus. Part numbers and accessory images from official Magewell documentation.






If anything is missing from your delivery, contact us within 7 days and we will arrange a replacement.
Official Magewell documentation for the Ultra Encode HDMI Plus. Datasheet is mirrored on our server for direct download; drivers, firmware and software live on Magewell's download centre and open in a new tab.
Browse the full Magewell literature library for all product catalogues and datasheets.
Audio comes from the HDMI signal or connects through the 3.5 mm line input. There is also a 3.5 mm line output. The analogue connections are 3.5 mm line level rather than XLR.
4K encoding at up to 30 fps (the standard model encodes up to 1080p60), NDI HX3, RIST and Zixi, a higher maximum bitrate, 128 GB of internal recording storage and PoE.
The HDMI input accepts up to 4096×2160 at 30 frames per second, and the main stream encodes up to 4096×2160 at 30 frames per second. Ask us if your source is 4K at a higher frame rate and we will help you choose.
Yes, to 128 GB of internal storage, an external USB drive or a NAS, in MP4, MOV or TS format, with loop recording and a scheduler. The internal storage means a recording is made in the box itself.
By PoE (IEEE 802.3af) from a suitable network switch, so one cable can carry power and the stream, or by the supplied 5 V / 3 A adapter. Maximum consumption is 8.68 W.
RTMP and RTMPS, RTSP, SRT (caller and listener), NDI HX2 and HX3, HLS, MPEG-TS over UDP or RTP, RIST, Zixi and TVU ISSP, to up to six destinations at once.
It works on its own as a standalone encoder, set up once from the Web UI in a browser.
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