Blackmagic Design

Blackmagic Design CONVMBHS24K6G Mini Converter HDMI to SDI

4.4 (50 reviews)

Professional-grade HDMI to SDI converter with 4K support, 3D LUTs, and HDMI instant lock for broadcast workflows.

$185.00*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Blackmagic Design CONVMBHS24K6G Mini Converter HDMI to SDI 6G is built for professional video workflows where HDMI sources need to integrate with SDI infrastructure. Whether you're feeding a consumer camera's HDMI output into a broadcast switcher, connecting a computer presentation to SDI-based distribution, or routing signals through long SDI cable runs that HDMI cannot support, this converter handles the translation cleanly across SD, HD, and Ultra HD formats. The 6G-SDI output ensures compatibility with modern 4K workflows while maintaining backward compatibility with older SD and HD equipment.

What sets this converter apart from basic signal adapters is its 10-bit video processing pipeline, 33-point 3D LUT support for real-time color transforms, and flexible audio embedding from HDMI, AES/EBU, or balanced analog sources. The HDMI instant lock feature eliminates the frustrating black-screen delays common when hot-plugging HDMI sources, a critical advantage in live production environments. Housed in Blackmagic's signature compact metal enclosure, the unit is designed to be mounted, racked, or tucked away on set with confidence that it will perform reliably under demanding conditions.

Key Features

HDMI Instant Lock

33 point 3D LUTs

10-bit video process

Robust design

Specifications

Brand
Blackmagic Design
Model
CONVMBHS24K6G
Conversion
HDMI to SDI
Video Format Support
SD, HD, Ultra HD
SDI Standard
6G-SDI
Video Processing
10-bit
3D LUT Support
33-point
Audio Inputs
HDMI, AES/EBU, Balanced Analog
HDMI Instant Lock
Yes

Pros & Cons

👍 Pros

  • Supports SD, HD, and Ultra HD formats up to 4K for versatile deployment across production environments.
  • Multiple audio embedding options including HDMI, AES/EBU, and balanced analog inputs.
  • Built-in 33-point 3D LUTs allow real-time color correction without additional hardware.
  • HDMI instant lock provides fast, glitch-free source switching.
  • Compact and robust metal construction built for field and rack use.

👎 Cons

  • Converts in one direction only — HDMI to SDI — so a separate converter is needed for SDI to HDMI.
  • No built-in display or status screen to confirm signal format without downstream monitoring.
  • Requires external power supply, adding another cable to the setup.
  • Does not include software for LUT management out of the box — requires Blackmagic Converter Setup utility.

Frequently Asked Questions

It supports SD, HD, and Ultra HD video formats up to 4K via its 6G-SDI output.
Yes, you can embed audio from HDMI, AES/EBU, or balanced analog audio inputs independently into the SDI output.
The built-in 3D LUTs allow you to apply color correction and grading transforms during conversion, useful for matching camera log footage to a broadcast-ready look in real time.
Yes, HDMI instant lock eliminates the delay typically experienced when switching or connecting HDMI sources, ensuring a seamless signal handoff.
Yes, that is one of its primary applications — converting HDMI output from consumer cameras or computers into broadcast-quality SDI signals.