【Magewell】Ultra Encode SDI Plus

  • Live streaming and recording with support for H.264, H.265, NDI® HX2 and NDI® HX3
  • Flexible choice of streaming protocols including RTMP, RTMPS, SRT, HLS and more
  • Control via web interface or optional Control Hub centralized management software

Local Delivery

CHINAM is currently shipping within Hong Kong and specific countries only. We use local courier service as our delivery company. We do not support shipping items in a single order to multiple shipping addresses. To ship items to an additional address, please place a new order to us. Unless otherwise specified, delivery charge at the rate of HK$300 will be imposed on each delivery. We currently offer free delivery for each order over HK$1,000.

For remote areas or outlying islands delivery service, please contact our sales team via email - sales@chinam.com.hk

International Delivery

We will do our best to ship internationally to countries where we do not have sales representation. Please register with us, we’ll keep you updated and notify you when this is about to happen and become available in your region. Please note, at this time the customer is responsible for the duties and taxes imposed by their country.

For international shipping please contact our sales team via email - sales@chinam.com.hk

Deliver Time

  • Once your order has been handed over to the carrier for delivery, you will receive a shipment notification email with an estimated delivery date. Please note that it is not possible to expedite your delivery and receive your package earlier than the scheduled delivery date. Therefore, we are unable to accept requests for expedited delivery. Our carriers are unable to provide an exact time of day for your delivery. If you ordered multiple items, you may receive separate shipments.
  • All estimates are based on business days. We only make deliveries in the specified areas of Hong Kong from Monday to Sunday except on the first two days of the Lunar New Year and when typhoon warning signal No. 8 or above or black rainstorm warning is in force.
  • All rescheduling of delivery, additional purchases, new sales memos and amendments must be made 3 days before the scheduled delivery date. Otherwise, a double delivery charge will be incurred.
  • We may deliver the merchandise in one or more installments, and some of the merchandises may be delivered directly from suppliers. Any times and dates given for dispatch of merchandise, or the length of time that merchandise will take to be delivered, are only estimates. If we are unable to meet any stated dispatch or delivery dates or times we will inform you as to the progress of your order. You agree and accept that under no circumstances will we accept cancellation of order or refund.

Signature On Delivery

  • Most of our shipments contain valuable items. If you will not be in attendance to accept delivery of your purchase, consider shipping to someone you trust will be able to sign for your package. For your convenience, you may prefer to have your order delivered to your office address. If you choose this option, please include the name of your business in the address. Please note, if you choose this option, goods may be left with reception or the Mail Room.
  • As our carriers require a signature on delivery, the carrier will leave a calling card if you are not at home. Please contact the carrier to reschedule delivery.
  • For postal deliveries, no signature is required and order status tracking is not available.
  • Delivery failure due to no one answering the door upon the arrival of goods at the appointed time, or to circumstantial limitations such as the entrance being too small, will require a rescheduled delivery and therefore incur double delivery charges.
  • We will deliver the merchandise ordered by you to the address you give us for delivery at the time you make your order through our staff or a third party provider. You agree to present your photo identification upon request when you acknowledge receipt of the merchandise. The merchandise shall be, and shall be deemed to be, delivered and accepted by you when the merchandise are delivered to the address you give us for delivery. You agree and accept that we are entitled, at our option, to charge you additional costs or cancel your order in the event of your failure to accept delivery for whatever reasons.


  • You will become the owner of the merchandise you have ordered when they have been delivered to you. Once merchandise has been delivered to you they will be held at your own risk and we will not be liable for the loss or damage.
  • You may not export any products purchased at CHINAM online store. We sells and ships products to end-user customers only. Notwithstanding order confirmation, CHINAM may cancel any order where it has reasonable grounds to believe the product is not being purchased for end use.
  • If there is any inconsistency or ambiguity between the English version and the Chinese version, the English version shall prevail.
  • We reserve the final right to terminate or alter the above terms and conditions. In the event of any dispute, our decision shall be final and conclusive.
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Input Features

  • Support for up to 4096x2160 30fps input and loopthrough signals
  • Input & loopthrough 16-Channel SDI embedded audio
  • Input audio from 3.5 mm LINE IN

Streaming Features

  • Natively support Facebook, Twitch, YouTube and WOWZA
  • Supported streaming protocols: RTSP/RTMP/RTMPS/SRT Caller/SRT Listener/NDI® HX2/NDI® HX3/HLS/TS over UDP/TS over RTP/TVU ISSP
  • Allow simultaneous 6 sessions over multiple streaming protocols
  • Support for streaming schedule

Encoding Features

  • Dual stream encoding profiles: main stream and sub stream up to 4096x2160p30
  • Max bitrate: 62Mbps (NDI® HX3), 32Mbps (Others)
  • Support for H.264/HEVC video encoding
  • Provide video aspect ratio conversion, image rotation and cropping for the main and sub streams
  • Encoding 8-channel AAC and audio channels mapping
  • Side-by-Side 3D video encoding

Recording Features

  • Record to internal storage (128GB), external USB storage or network attached storage (NFS/CIFS)
  • Automatically upload recorded files to remote file storage platform
  • Video recordings in MP4, MOV or TS format
  • Normal recording and loop recording supported
  • Support for recording schedule


  • PoE available
  • Tally lights for NDI® HX3
  • Remote control via Web GUI and Control Hub
  • Provide HTTP APIs

Inputs / Outputs

Video Inputs 1 x BNC (3G-SDI) Female
Audio Inputs 1 x 1/8" / 3.5 mm TRS Stereo Analog Female
Video Outputs 1 x BNC (3G-SDI) Female (Loop Output)
Audio Outputs 1 x 1/8" / 3.5 mm TRS Stereo Analog Female (Loop Output)
Other I/O 2 x USB-A Unspecified Input/Output (Shared Modem)
Expansion Slots No

Format Support

Input Video Format SDI (10/12-Bit 4:4:4/4:2:2 YCC)
DCI 4K at 23.98/24/25/29.97/30 fps
DCI 2K at 23.98/24/25/29.97/30/47.95/50/59.94/60 fps
1080p at 23.98/24/25/29.97/30/50/59.94/60 fps
1080i at 23.98/24/25/29.97/30/50/59.94/60 fps
720p at 25/29.97/30/50/59.94/60 fps
576p at 25 fps
576i / 625 lines at 50 fps
480p at 29.97 fps
480i / 525 lines at 59.94 fps
Input Audio Format Analog
Output Video Format RJ45 / USB-A / Wireless
DCI 4K at 15/23.98/24/25/29.97/30 fps
DCI 2K at 15/23.98/24/25/29.97/30/50/59.94/60 fps
1080p at 15/23.98/24/25/29.97/30/50/59.94/60 fps
720p at 15/23.98/24/25/29.97/30/50/59.94/60 fps
UXGA (1600 x 1200) at 15/23.98/24/25/29.97/30/50/59.94/60 fps
1440 x 900 at 15/23.98/24/25/29.97/30/50/59.94/60 fps
SXGA (1280 x 1024) at 15/23.98/24/25/29.97/30/50/59.94/60 fps
1280 x 960 at 15/23.98/24/25/29.97/30/50/59.94/60 fps
WXGA (1280 x 800) at 15/23.98/24/25/29.97/30/50/59.94/60 fps
1280 x 720 (Non-Standard WXGA) at 15/23.98/24/25/29.97/30/50/59.94/60 fps
XGA (1024 x 768) at 15/23.98/24/25/29.97/30/50 fps
960 x 540 at 15/23.98/24/25/29.97/30/50/59.94/60 fps
SVGA (800 x 600) at 15/23.98/24/25/29.97/30/50/59.94/60 fps
768 x 576 at 15/23.98/24/25/29.97/30/50/59.94/60 fps
720 x 576 at 15/23.98/24/25/29.97/30/50/59.94/60 fps
720 x 540 at 15/23.98/24/25/29.97/30/50/59.94/60 fps
720 x 480 at 15/23.98/24/25/29.97/30/50/59.94/60 fps
VGA (640 x 480) at 15/23.98/24/25/29.97/30/50/59.94/60 fps
640 x 360 15/23.98/24/25/29.97/30/50/59.94/60 fps
Output Audio Format Analog
Embedded Audio SDI Input: 16-Channel
SDI Output: 16-Channel
LAN (RJ45)/NDI/USB/Wireless Output: 2-Channel


Video Standard Compliance SMPTE 259M/292M/425M

IP Streaming

Video IP Encoding H.264, H.265, HLS, NDI|HX2, NDI|HX3, RTMP, RTMPS, RTP, RTSP, SRT, TCP, TS, UDP: 480 x 270 to 2048 x 1080 at 5, 10, 15, 23.98p, 24p, 25p, 29.97p, 30p, 50i, 50p, 59.94i, 59.94p, 60p (1.5 to 62 Mb/s)
Audio IP Encoding AAC: 16.00 to 256.00 Kb/s


Wireless Wi-Fi 5 (802.11ac) *Built-In


Power I/O 1 x USB-B (5 VDC at 3 A) Input
Power Consumption Device: 7.16 W


Operating Temperature 32 to 140°F / 0 to 60°C
Storage Temperature -4 to 140°F / -20 to 60°C
Operating Humidity 5 to 90% ()
  • Magewell Ultra Encode SDI Plus Universal 4K Encoder
  • 5 VDCPower Adapter
  • SDI Cable
  • USB-A to USB-B Cable
  • Wi-Fi Antenna
  • T-Bracket
  • Limited 2-Year Manufacturer Warranty (On Encoder)
  • Limited 1-Year Manufacturer Warranty (On Power Adapter)


User Manual for Ultra Encode Plus


Quick Start Guide for Ultra Encode Plus

【Magewell】Ultra Encode SDI Plus