Magewell Ultra Stream Encoder: Complete Product Manual

Introduction

The Magewell Ultra Stream Encoder (specifically the Ultra Stream SDI model) is a standalone, professional-grade live streaming and recording solution designed for broadcast and professional AV environments that rely on SDI connectivity. Unlike consumer-grade HDMI encoders, this device accepts 3G-SDI inputs up to 2048×1080 at 60fps, making it the definitive hardware choice for broadcast cameras, studio SDI sources, and professional AV systems where signal integrity is paramount . Its unique selling point lies in its ability to encode dual streams simultaneously in H.264 or H.265, allowing users to stream to two different services (e.g., YouTube Live and Twitch) at the same time with customized encoding settings for each .

Targeted at broadcast engineers, event producers, and educational institutions, the Magewell Ultra Stream Encoder simplifies complex workflows by offering a single-button press for recording to internal 32GB storage, USB drives, or paired mobile devices . It natively supports major platforms like Facebook, Twitch, and YouTube while accommodating custom RTMP servers and advanced protocols like SRT and NDI|HX2 . The device is available globally through authorized distributors, with an estimated price range of approximately $500–$600 USD, offering a cost-effective alternative to bulky software-based encoding rigs .

Specifications

The Magewell Ultra Stream Encoder delivers high-performance metrics tailored for 2K broadcast environments, supporting resolutions up to 2048×1080 at 60fps with embedded audio and microphone input . Below are the detailed technical specifications:

Video Input: 1 channel 3G-SDI (BNC) with embedded audio and microphone support at 1080p60 .
Video Output: SDI loop-through supporting up to 2K resolution .
Encoding Formats: H.264 High Profile (video) and H.265 (HEVC); AAC High Quality (audio) .
Streaming Capabilities: Dual simultaneous streams (Main up to 10Mb/s, Sub up to 2Mb/s) .
Protocols: RTSP, RTMP, RTMPS, SRT Caller/Listener, NDI|HX2, HLS, TS over UDP/RTP .
Network Connectivity: Gigabit Ethernet (10/100/1000 Mbps), Wi-Fi 802.11 a/b/g/n/ac (Station & AP modes), and 3G/4G USB modem support .
Storage: 32GB internal SD storage, USB Type-A for flash drives, and mobile device pairing .
Audio Ports: 3.5mm LINE IN (mic) and 3.5mm LINE OUT (headphone) .
Power: DC 5V/3A; Max power consumption ~7.16W .
Dimensions: Compact 3.7" x 3.7" x 0.9" (94.2 x 94.2 x 22.3 mm) .

Compared to similar HDMI encoders like the Ultra Stream HDMI, the SDI version offers superior signal stability for long cable runs in studio environments, whereas HDMI models are limited to shorter distances and consumer-grade inputs . The Magewell Ultra Stream Encoder outperforms many competitors by supporting H.265 encoding and SRT protocols, which are critical for low-latency, high-quality streaming over unpredictable networks .

Setup Guide

Setting up the Magewell Ultra Stream Encoder is designed for simplicity, requiring minimal technical expertise to achieve professional broadcast results. Follow these step-by-step instructions to configure your device:

Physical Connection: Connect your 3G-SDI source (e.g., broadcast camera) to the SDI Input BNC port. Connect the SDI Loop-through port to your monitor or switcher to verify the signal path . Plug the 3.5mm microphone or line-in audio into the LINE IN port if external audio is required .
Power Up: Connect the DC 5V/3A power adapter to the device. The unit consumes approximately 7.16W, ensuring low heat generation .
Network Configuration: Connect via Gigabit Ethernet for the most stable stream. Alternatively, configure Wi-Fi (802.11ac) or insert a 3G/4G USB modem for mobile broadband .
Device Pairing: Use the companion iOS/Android app to pair the device over Bluetooth for quick on-the-go configuration. For full control, access the WebUI via a web browser (supports Chrome, Firefox, Safari, Edge) .
Streaming Setup: In the WebUI or App, select your destination (YouTube, Facebook, Twitch, or custom RTMP). Configure the Main Stream (up to 10Mb/s) and Sub Stream (up to 2Mb/s) settings . Enable "Simultaneous Sessions" to stream to two services at once .
Recording Configuration: Insert a USB flash drive or ensure internal storage is active. Press the dedicated "Record" button on the device to start recording to MP4 files .

Troubleshooting Tips: If the device fails to connect, ensure the Wi-Fi AP mode is enabled if using a hotspot. Verify that the SDI input signal matches the supported standards (ST 259/292/425) . Safety Warnings: Do not operate the device in temperatures exceeding 40°C (72°F) or humidity above 90%. Ensure the power adapter is rated 5V/3A to prevent damage .

Troubleshooting

While the Magewell Ultra Stream Encoder is robust, users may encounter specific issues related to connectivity, encoding, or storage. Below are common problems and their solutions:

Problem: No SDI Signal Detected
Solution: Ensure the source is outputting a supported 3G-SDI standard (ST 425). Check loop-through to confirm the source is active. Verify BNC cable integrity .
Problem: Stream Fails to Connect
Solution: Check network connectivity (Ethernet/Wi-Fi). Verify the RTMP URL and Stream Key are correct. Ensure the firewall allows RTMP/SRT traffic. If using Wi-Fi, switch to AP mode if the network is unstable .
Problem: Recording Not Starting
Solution: Ensure the USB drive is formatted correctly (NTFS/exFAT) and has sufficient space. For internal storage, confirm the 32GB SD card is not full. Press the physical "Record" button firmly .
Problem: Audio Silence
Solution: Check the 3.5mm LINE IN connection. In the WebUI, verify the audio stream is set to "2 Channels" and the input level is not muted .

Error Codes: The device does not display complex error codes on the front panel; instead, status indicators (LEDs) show power, network, and recording states. If the network LED is off, check the Ethernet cable or Wi-Fi settings .

Preventive Measures: Regularly update the firmware via the Magewell Cloud platform to maintain protocol compatibility. Avoid using the device in extreme temperatures (0°C to 40°C) to prevent thermal throttling .

Warranty and Support: The device includes a 24/7 support service. For hardware issues, contact your regional distributor (e.g., iView Data in the UK for full warranty coverage) . Magewell offers 24/7 email and phone support for technical assistance . For detailed help, visit the Magewell Ultra Encode Support page or contact Magewell directly via their official website .

Pros & Cons

The Magewell Ultra Stream Encoder offers a balanced mix of professional features and user-friendly design, though it has specific limitations compared to higher-end rack-mounted encoders.

Pros:
- Dual-Stream Capability: Stream to two services simultaneously (e.g., YouTube and Twitch) with independent bitrate settings, a feature rarely found in budget encoders .
- SDI Connectivity: Native 3G-SDI input with loop-through ensures signal integrity for broadcast cameras, unlike HDMI encoders that suffer from signal degradation over long distances .
- Protocol Flexibility: Supports advanced protocols like SRT, NDI|HX2, and RTMPS, enabling secure, low-latency streaming over unreliable networks .
- Simple Operation: One-button recording and streaming controls make it ideal for non-technical users in live events .
- Compact Form Factor: Small 3.7" x 3.7" size allows for easy placement in tight studio spaces .
Cons:
- Resolution Limit: Max input is 2048×1080 (2K), lacking 4K support found in models like the Ultra Encode AIO .
- Storage Capacity: Internal 32GB storage is limited for long events; users must rely on external USB drives for extended recording .
- No H.265 on All Streams: While H.265 is supported, some legacy RTMP servers may not accept it, requiring H.264 fallback .
- Price Point: At ~$500–$600, it is more expensive than basic HDMI encoders, though justified by SDI features .

Value for Money: The Magewell Ultra Stream Encoder provides excellent value for broadcast professionals who need SDI connectivity without the complexity of a full PC-based encoding setup. Compared to the Ultra Encode AIO ($800), it is more affordable but lacks 4K and multi-source mixing capabilities . For users requiring 4K or six simultaneous streams, the AIO is a better alternative, but for standard 1080p SDI workflows, the Ultra Stream SDI is the optimal choice .

Customer Reviews

User feedback for the Magewell Ultra Stream Encoder is overwhelmingly positive, with many praising its reliability and ease of use in professional settings.

Common Praises: Users frequently highlight the "one-button" simplicity for recording and streaming, noting it eliminates the need for complex software setups . Broadcast engineers appreciate the SDI loop-through, which allows them to monitor the source signal without interrupting the stream . The dual-stream feature is a standout, with reviewers calling it "essential for multi-platform events" .
Common Complaints: Some users mention the 32GB internal storage is insufficient for long-duration events, requiring constant USB drive management . A few reviewers noted that the Wi-Fi performance can be inconsistent in high-interference environments, recommending Ethernet for critical broadcasts .
Star Ratings: The product holds an average rating of 4.7/5 stars on major retail sites, with most 5-star reviews citing "professional reliability" and "excellent SDI support" .
Purchase Recommendations: Experts recommend the Magewell Ultra Stream Encoder for "broadcast studios, schools, and event venues" that rely on SDI cameras . It is highly recommended for users who need a standalone solution without a PC, though those requiring 4K should consider the Ultra Encode AIO instead .

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