Product Description: 4K 3D HDMI 5.1 to Analog Output Digital Audio Decoder Converter Adapter Automatic Digital to Analog Conversion: This device seamlessly extracts digital audio from HDMI signals and converts it to analog audio output, ensuring high-quality sound for your audio systems. Versatile Applications: Perfect for a variety of settings, including homes, schools, squares, concert halls, cinemas, and other public venues. Experience the stunning effects of DTS and Dolby audio, enhancing your audio environment. Advanced Technology: Equipped with a high-performance RTOS operating system and an audio decoder chip, this converter supports DTS and AC-3 formats, delivering superior audio decoding capabilities. Quick and Efficient: Enjoy an ultra-fast startup time of approximately 3 seconds. The mini metal case provides excellent anti-interference performance, ensuring a smooth and uninterrupted audio experience. Flexible Audio Modes: Achieve perfect synchronization of audio signal decoding with two optional audio modes: PASS and 2.0CH. It also supports 6CH (5.1CH) volume synchronous adjustment for a customized audio setup. Hassle-Free Operation: Automatically decodes AC-3/DTS (LPCM/PCM/RAW) input signals without the need for manual settings, making it user-friendly and efficient. Wide Compatibility: This decoder is highly compatible with various devices, supporting online playback, HDTVs, Blu-ray DVDs, DVDs, DM500S, DM800HD, and more, ensuring broad usability. Convenient Connectivity: Features 6CH RCA and 3.5mm headphone ports for easy and fast connections, providing a better user experience and flexibility in audio output options. Enhance your audio experience with this powerful and versatile audio decoder, designed to deliver exceptional sound quality and ease of use across a wide range of applications and devices.