Product Description: 3x1 Optical Fiber Digital Audio Decoder - SPDIF/AV/RCA Converter 100‑240V US Plug Versatile Input and Output Options: This audio decoder features 3-channel optical fiber digital audio inputs, allowing you to switch seamlessly to 1-channel optical output. It decodes audio into 1-channel L/R analog audio output and 1-channel headphone output, providing flexibility for various audio setups. High-Quality Audio Processing: Equipped with a 24-bit audio DSP and a 96KHz/24bit DAC digital processing chip, this converter supports a wide range of digital audio formats, including AC3, DTS, THX, HDCD, and PCM. Enjoy superior sound quality and clarity for all your audio needs. Intelligent Signal Detection: The decoder automatically detects and recognizes input digital audio signal formats, outputting stereo analog audio effortlessly. With a power-off memory function, there's no need to reselect the signal source after restarting, ensuring a hassle-free experience. User-Friendly Operation: Featuring a one-key switch for input source selection and power standby, this device offers convenience and speed. The headphone output can directly drive 3.5mm plug universal headphones, making it easy to enjoy your audio privately. Enhanced Protection and Low Noise: Designed with DC overvoltage protection, this decoder effectively prevents damage from incorrect power supply usage. It operates with low noise, ensuring a clean and uninterrupted audio experience. Upgrade your audio system with this reliable and efficient optical fiber digital audio decoder, perfect for both professional and personal use.