SPDIF Optical Audio 4x4 Matrix, Supports Dolby 5.1/DTS 5.1, 4 In Out Fiber Optic Switcher with IR Control & Auto Switch, Plug and Play for Home Theater/Classroom/Bar/Commercial Exhibition

4-in-4-out Fiber Optic Audio Matrix : Equipped with 4 fiber optic inputs and 4 fiber optic outputs. Each output port can independently select any input source, and it can also be switched to 4×1 mode to connect all outputs to the same input synchronously, meeting the audio distribution and switching needs of multiple devices. Hi-Res Surround Sound Support : Perfectly compatible with Dolby 5.1 and DTS 5.1 surround sound formats, as well as standard PCM audio. Restores immersive high-definition sound quality and delivers a vivid auditory experience for high-end audio-visual scenarios. Auto Switch & IR Remote Control : 4×1 mode supports automatic audio source switching without manual operation; comes with infrared remote control function for long-distance adjustment of input and output sources, making operation more convenient and effortless. Plug and Play, No Driver Required : No need to install any drivers. Just connect the devices and power supply to use immediately. The installation steps are simple, and even beginners can get started quickly for hassle-free deployment. Wide Compatibility & Stable Performance : The lightweight body only weighs 200g, with a wide operating temperature range of -15°C to +50°C. Anti-interference and shock-resistant, it is suitable for home theaters, classrooms, bars, commercial exhibition halls and other multi-scenarios with durable use.