Blackmagic Design Micro Converter HDMI to SDI 3G

A converter designed for modern video chains, bridging consumer HDMI and broadcast SDI

In many shooting, streaming, and event environments, the signal often originates from an HDMI source (hybrid, camera, computer) while the rest of the chain is SDI, due to its robustness, more convenient cable lengths, and compatibility with professional equipment. This converter fits precisely into this transition: it avoids the compromises of entry-level boxes and focuses on the key production features, such as managing SDI A/B levels and access to so-called "cinema" frame rates.

Who it's for and intended uses

This model is aimed at videographers, camera operators, control room technicians, and content creators who need to integrate an HDMI source into an SDI workflow without wasting time or facing compatibility issues. It is particularly relevant for connecting a computer (presentation, playback, graphics) to an SDI switcher, sending an HDMI camera to an SDI recorder, or powering two destinations in parallel (for example, an SDI monitor and a control room).

In real-world scenarios, the dual output is a real asset: you can keep one output for the main broadcast and the second for a return feed, recording, or redundancy. This simplifies cabling and secures the production, especially on sets where every connection counts.

Compatibility, formats, and reliability: what sets it apart from basic converters

Two 3G-SDI outputs for more flexible setups

The presence of two 3G-SDI outputs allows distributing the SDI signal to multiple devices without immediately adding a dedicated splitter. Whether for dual display, simultaneous feeding of an encoder and a monitor, or simplified routing to the control room, you gain agility on the field.

SDI level A / level B selection to avoid incompatibilities

Some SDI devices expect a level A signal, others a level B. When the level does not match, symptoms are troublesome (no image, instability, erratic detection). Here, the ability to set outputs to level A or B allows you to adapt the converter to your equipment fleet, rather than the other way around. This is a key point for mixed environments where multiple generations of equipment coexist.

Supported "cinema" frame rates

Where many affordable converters are limited to "standard" frame rates, this model also supports cinema video formats, including 1080p24, 1080p47.95, and 1080p48. This is particularly useful when working with cameras configured for cinema frame rates, content intended for specific broadcasts, or post-production workflows where frame rate consistency is critical end-to-end.

Technical specifications

Category	HDMI Converter	Outputs	2x SDI
Requires power supply	Yes	Power supply	Optional AC adapter
Maximum conversion resolution	1080p	Consumption	2 W
Type	Video	Weight	150 g
Inputs	HDMI	Dimensions (mm)	79,4 x 45,8 x 24,8