The Hi5-4K is a compact converter designed for monitoring 4K workflows by combining four SDI feeds into a single HDMI 2.0 output. It produces HDMI video up to 4K/UltraHD while generating HDR metadata in accordance with HDMI v2.0a and CTA-861.3, and it supports HLG over HDMI. The unit is built for portable, on-set and rack-mountable monitoring where reliable format conversion and accurate color/metadata handling are required.

Key Features

• Quad SDI to HDMI 2.0 conversion, accepts four SDI outputs and presents a single 4K/UltraHD HDMI output for monitoring on modern displays.
• HDR support, generates HDR Infoframe metadata to HDMI v2.0a/CTA-861.3 and supports HLG for high dynamic range monitoring.
• Wide format compatibility, supports 4096x2160, 3840x2160, 2048x1080, 1920x1080 (p and i), 1280x720, 720x576i and 720x480i.
• Flexible color and bit-depth options, SDI: 4:2:2, 4:4:4 YCbCr, 4:4:4 RGB, 8 or 10 bit. HDMI: 4:2:2, 4:4:4 YCbCr, 4:2:0 YCbCr for 4K/UltraHD HFR (8 bit only), and 4:4:4 RGB with 8 or 10 bit where supported.
• Audio passthrough, up to 16 channels embedded audio over SDI and up to 8 channels over HDMI as supported by the format.
• SDI mapping options, supports SMPTE 425 Level A and B, quadrant or 2SI mapping for multichannel 4K sources.

Use Cases

• On-set monitoring where cameras or switchers output multiple SDI streams and a single HDMI monitor is used for 4K viewing.
• Color and HDR verification during shoots or playback, ensuring HDR metadata and color formats are carried to HDMI displays.
• Portable playback and review in multi-camera productions, OB trucks, or small studios requiring a compact, reliable converter.

Specifications

• Video resolutions: 4096x2160p, 3840x2160p, 2048x1080p, 1920x1080p/i, 1280x720p, 720x576i, 720x480i.
• SDI support: SMPTE 425 Level A and B, quadrant or 2SI mapping, 4:2:2/4:4:4 YCbCr, 4:4:4 RGB, 8 or 10 bit, 16 channels embedded audio.
• HDMI support: HDMI 1.4 features plus HDMI 2.0a Infoframe generation, 4:2:2/4:4:4 YCbCr, 4:2:0 YCbCr for 4K HFR (8 bit), 4:4:4 RGB, 8 or 10 bit, 2 or 8 channels embedded audio depending on format.
• HDR: HDMI v2.0a / CTA-861.3 Infoframe generation, HLG support.

Included with your rental

• Hi5-4K converter unit
• Power supply and AC cable
• Basic setup notes and format mapping guidance

If you need SDI or HDMI cables, racks, or additional accessories, those can be added to your rental separately. Contact the rental coordinator for availability and configuration advice for specific camera, switcher, or monitor workflows.

We strive to provide impeccably maintained rental equipment for the entertainment industry that is prepped and ready for your event. Our experienced staff stands ready to help you with your lighting, video, rigging & production needs. Rental inventory availability may vary based on date and 4Wall location. In cases where your preferred item is unavailable, we'll do our best to suggest a suitable replacement.