Video signal converter Techly IDATA-HDMI-AI4K

The Techly IDATA-HDMI-AI4K is an HDMI 4K2K audio inserter that enables adding an external audio signal into an HDMI or DVI signal path (when using a DVI-to-HDMI adapter). The compact converter supports resolutions up to 3840 x 2160 (4K2K) and a bandwidth of 10.2 Gbit/s, with both HDMI input and output supporting HD, 3D and 4K content. It supports audio sampling rates up to 192 kHz and operates from a 5 V supply, offering a reliable solution for synchronised high-resolution video and audio transmission.

Advantages

The unit inserts stereo or multi-channel surround audio into an HDMI or DVI (via adapter) signal path while preserving video up to 4K2K and 3D. With HDMI input and output ports, the converter maintains sync between video and the added external audio. Its compact design and 5 V operation make it easy to integrate with existing AV setups, and the supported 192 kHz sampling rate ensures high-quality audio embedding.

Suitable for

• Integrating external audio sources into HDMI-based video systems
• Adding stereo or multi-channel audio to 4K or 3D video signals
• Connecting devices using DVI outputs when paired with a DVI-to-HDMI adapter
• Professional AV installations, presentation systems and home theatre setups

Key specifications

• Model: Techly IDATA-HDMI-AI4K
• Maximum resolution: 3840 x 2160 (4K2K)
• Bandwidth: 10.2 Gbit/s
• Audio sampling rate: up to 192 kHz
• Interfaces: HDMI input and HDMI output (DVI with adapter supported)
• Power: 5 V
• Colour: Black
• Weight: 0.381 kg

How to use

Connect the source video device to the converter's HDMI input (or use a DVI-to-HDMI adapter for DVI sources). Connect the HDMI output from the converter to the display or downstream device. Feed the external audio source into the converter's audio input according to the product's audio connector type, select the desired audio format if applicable, and power the unit with a 5 V supply. The converter will embed the supplied audio into the HDMI output while maintaining the video resolution and sync.

Recommendations

For reliable performance, use high-quality HDMI cables rated for 4K and ensure the DVI-to-HDMI adapter (if used) supports the target resolution. Verify audio format compatibility with your display or downstream device and keep firmware or specifications in mind when integrating into professional AV systems.