BoxCast Spark SDI | HEVC H.265 Live Streaming Encoder | 1080p60 with 12G SDI & Local Backup

Live Streaming Encoder with HEVC (H.265)

Start your free BoxCast trial here. NOTE: Subscription is REQUIRED to use this BoxCast hardware. The BoxCast Spark SDI is a compact HEVC (H.265) live streaming encoder designed for professional video environments that require SDI connectivity. Built for houses of worship, schools, broadcast teams, and production professionals, it delivers high-quality 1080p60 streaming while optimizing bandwidth efficiency.

BoxCast Spark SDI Competitive Differences

• HEVC (H.265) encoding for high-quality streams at significantly lower bandwidth
• SD/HD/3G/6G/12G-SDI input for seamless integration into professional video workflows

BoxCast Spark SDI Description

The BoxCast Spark SDI utilizes advanced H.265 (HEVC) Main Profile encoding to reduce bandwidth requirements while maintaining sharp image quality up to 1080p60. It also supports H.264 (AVC) High Profile Level 4.2 for broad compatibility with streaming platforms and workflows.

Designed with production environments in mind, Spark SDI features SD/HD/3G/6G/12G-SDI video input, making it ideal for professional cameras, switchers, and broadcast systems. Analog audio can be connected via two 1/4" stereo inputs or a 3.5mm input, and embedded SDI audio is also supported. A 3.5mm headphone output allows real-time monitoring of your live mix.

The built-in 4.3” capacitive touchscreen provides live video preview, audio metering, stream status, and network diagnostics. A customizable LED light ring gives clear visual confirmation of streaming status at a glance. Integrated network speed testing helps ensure optimal stream stability before going live.

For added reliability, Spark SDI includes automated scheduling and multistreaming capabilities along with BoxCast Flow streaming technology. A microSD card slot supports local backup recording (minimum 16GB, Class I, ext4 or EXFAT), ensuring your broadcast is preserved even if network interruptions occur.

Spark SDI Features

• HEVC (H.265) Main Profile encoding
• H.264 (AVC) High Profile Level 4.2 support
• Streaming up to 1080p60
• SD/HD/3G/6G/12G-SDI video input
• AAC-LC audio compression
• Two 1/4" stereo analog inputs
• One 3.5mm audio input
• 3.5mm stereo headphone output
• 4.3” capacitive touchscreen display (800x480)
• Customizable LED status ring
• Local recording to microSD (minimum 16GB)
• Gigabit Ethernet (10/100/1000)
• 802.11ac dual-band Wi-Fi (2.4/5GHz, 2x2 MIMO)
• Automatic firmware updates
• Remote control via BoxCast online Dashboard, iOS app, and API

Spark SDI Specifications

• Video Input: SD/HD/3G/6G/12G-SDI
• Video Encoding: H.265 (HEVC) Main Profile; H.264 High Profile Level 4.2
• Audio Input: 1/4" analog, 3.5mm analog, or embedded SDI audio
• Audio Compression: AAC-LC
• Streaming Quality: Up to 1080p60
• Local Recording: Class I microSD, minimum 16GB (ext4 or EXFAT)
• Ethernet: 10/100/1000 Mbps
• Wireless: 802.11ac dual band 2.4/5GHz, 2x2 MIMO
• Display: 4.3” capacitive touch, 800x480 resolution
• Power Input: 12V DC barrel jack or USB-C
• Power Consumption: 12W typical, 18W maximum
• Operating Temperature: 0° to 40°C
• Humidity: 0% to 90% non-condensing
• Dimensions: 5.1 x 3.6 x 1.3 in (129.5 x 92 x 33 mm)
• Weight: 11 oz

What's In The Box

• BoxCast Spark SDI encoder
• 12V power adapter
• Clip-on stand accessory
• Clip-on wall-mount accessory
• Hardware kit for optional wall mounting or 75 x 75mm VESA attachment