HDMI USB-C 4K@30 capture device audio mixer pass-through - CYP CYP-SY-XTREAM-C

The SY-XTREAM-C is an HDMI capture device with USB-C output designed to record or stream video content up to 4K @ 30 Hz, while maintaining HDMI pass-through output up to 4K @ 60 Hz with HDR. In addition to embedded HDMI audio, the device can capture a second audio stream from the line input, MIC input, or a mix of the two using the built-in audio mixer. Video timing stabilization technology ensures a stable USB stream even in the presence of intermittent HDMI signals or sudden disconnections. Compatibility with UAC / UVC standards ensures support for most streaming, video conferencing, and recording software, including OBS on Windows, macOS, and Linux. The unit is powered directly via USB-C, eliminating the need for external power supplies, making it ideal for compact, portable, and professional setups. Main features HDMI input and output with support for up to 4K @ 60 Hz with HDR bypass USB-C capture up to 4K @ 30 Hz with uncompressed LPCM 2.0 audio Automatic conversion of 4K sources with frame rates above 30 Hz to 4K @ 30 Hz for USB capture HDCP 2.2 and 1.x compliant (capture of protected content is not supported) Two additional analog audio inputs via 3.5 mm mini-jack: stereo line and microphone Built-in audio mixer to combine line and microphone inputs into a single stream HDMI audio capture (LPCM 2.0) as the primary stream and analog audio as the secondary stream UAC / UVC compatibility with most streaming and video conferencing software Support for OBS on Windows 10 (or later), macOS, and Linux Video timing stabilization function to ensure stable USB streaming even with high-frequency signals Intermittent signals Direct power supply via USB-C without an external power supply User benefits Universal compatibility with streaming and video conferencing software thanks to UAC and UVC standards Built-in audio mixer to combine microphone and line inputs without the need for external hardware HDMI pass-through up to 4K @ 60 Hz with HDR for high-quality content monitoring while USB capture is at 4K @ 30 Hz Direct power supply via USB-C Video timing stabilization for a stable USB stream even with intermittent HDMI signals Areas of use Live streaming in 4K @ 30Hz on platforms such as YouTube, Twitch, and Facebook Live Gameplay recording from consoles or PC Video production, tutorials, online courses, and training content Webinars, video conferences, and corporate presentations Mobile broadcasting, live events, and corporate installations AV content capture for editing, archiving, or digital distribution

Technical characteristics

Interfaces

• Input ports: 1 x HDMI (1 x HDMI uncompressed AV and data), 1 × 3.5 mm stereo mini‑jack (1 x analogue stereo L/R), 1 x 3.5 mm mini‑jack (microphone)
• Output ports: 1 x HDMI (bypass, uncompressed AV and data), 1 x USB‑C (USB‑C / Thunderbolt)

Video

• HDMI compliance: HDMI 2.0 (DVI 1.0)
• HDCP compliance: HDCP 2.2 bypass
• Input signal type: 4K @ 60 8‑bit YUV 4:4:4
• Output signal type: 4K @ 30 8‑bit YUV 4:4:4
• Max. input resolution: 4096 x 2160p @ 60 Hz
• Max. output resolution: 3840 x 2160p @ 60 Hz

Audio

• HDMI audio: LPCM (8 channels), bitstream, high‑bit‑rate bitstream
• Line IN: 1 V_RMS, S/N ratio > 80 dB (1 kHz @ 0 dBFS)

Power

• Power supply: USB powered
• Power consumption: 4.1283 W

Field firmware update

• PC

Enclosure

• Chassis material: metal (steel)
• Chassis colour: black
• Dimensions (W x H x D): 84 x 23 x 113 mm (case only)
• Dimensions (W x H x D): 84 x 23 x 128 mm (all inclusive)
• Weight: 307 g