BZBGEAR 12G/6G/3G/HD-SDI & HDMI 2.0 Bi-Directional Converter with Audio Embedding and Extraction

Overview

The BG-4KBHS is a professional-grade 12G/6G/3G/HD-SDI and HDMI 2.0 bi-directional converter featuring integrated audio embedding and extraction. Designed for uncompromising signal quality and reliability, this converter enables seamless real-time conversion between HDMI and SDI formats without latency or signal loss. Supporting full digital conversion, it maintains uncompressed, lossless video and audio for pristine broadcast performance.

With support for up to 8 audio channels, including 7.1 and 5.1 surround sound, and a high-quality analog stereo embedder and extractor, the BG-4KBHS bridges professional SDI systems with consumer HDMI devices in a single, versatile solution. Its low-jitter SDI output, automatic signal detection, and broad video format support up to 4K@60Hz make it a reliable tool for broadcast studios, post-production, and AV integration environments demanding flexible and high-fidelity signal management.

Features in Depth

The BG-4KBHS delivers real-time, bi-directional conversion between HDMI 2.0 and 12G/6G/3G/HD-SDI formats with zero latency, ensuring broadcast-quality performance across professional and consumer workflows. It supports uncompressed 10-bit 4:2:2 video for exceptional image fidelity and automatically detects SDI signal formats for seamless switching between 12G, 6G, 3G, and HD-SDI. With support for a wide range of HD and UHD resolutions up to 4K@60Hz, the converter ensures full compatibility with modern production and display systems, maintaining lossless video and audio transmission throughout the process.

In addition to high-quality video conversion, the BG-4KBHS integrates audio embedding and extraction, supporting up to 8 digital channels including 7.1 and 5.1 surround sound, along with 2-channel analog stereo I/O. This enables flexible routing of both embedded and external audio without additional hardware. Its low-jitter SDI output provides exceptional signal stability, while advanced re-clocking and equalization technologies allow cable runs up to 300m (HD-SDI) and 70m (12G-SDI) without degradation, making it ideal for broadcast, live production, and post-production environments that demand reliability and precision.

Built on a 6-layer impedance-controlled PCB and enclosed in a durable metal chassis, the BG-4KBHS combines robust design with professional connectivity options, including HDMI Type-A, 75 BNC, and 3.5mm audio jacks. The unit supports both internal and external synchronization for flexible integration into time-critical workflows and operates within a wide environmental range for field and studio use. Compact, versatile, and engineered for flawless performance, the BG-4KBHS is a complete solution for bridging SDI and HDMI systems while preserving the full integrity of video and audio signals.