1、3 IN 1 OUT: This digital audio switch converts 3 SPDIF/Toslink audio input signals to one SPDIF/Toslink audio output signal. Connect your TV, PS5, PS4, PS3, Xbox, Blu-ray players, PC, or cable box to a single optical port on your speaker, optical Bluetooth transmitter, amplifier, or surround sound system. 2、AUDIO FORMAT SUPPORT: The digital optical audio switch supports DTS, DTS CD, AC3, HDCD, THX, PCM, PCM, 24bit 96Khz. It supports 24bit DSP and 96KHz/24bit DAC and automatically recognizes the format of the incoming digital audio signal. 3、WITH REMOTE CONTROL: This SPDIF digital audio switch is plug and play. Input can be selected with the included infrared remote control or buttons on the switch for easy switching. Widely used in data centers to control information distribution solutions, conference room presentations, schools, and corporate training environments. 4、LOSSLESS TRANSMISSION: Experience high audio quality with low noise and only 0.1% distortion, giving you lossless premium sound. The premium aluminum alloy design provides overall shielding without signal interference, ensuring excellent audio signal transmission, robustness, and long life. 5、PROTECTION FUNCTION: This Toslink digital audio switch supports power-off memory protection and DC over-voltage protection. Voltage protection prevents damage caused by connecting an incorrect power adapter to the machine. Item Type: Digital Optical Audio Switch Material: Aluminum Alloy Audio Format Support: DTS, DTS CD, AC3, HDCD, THX, PCM, PCM, 24bit 96Khz Digital Input Level: 0.1‑1 volt p‑p SNR and ODb(CCIR/ARM): 90db Distortion: 0.1% Frequency Response: 20HZ to 20KHZ Maximum Operating Current: 350mA Power Supply: DC 5V 1A Operating Temperature Range: ‑10°C to 55°C Operating Humidity Range: 5% to 90% RH (non-condensing) Product Size: Approx. 90x47x19mm / 3.5x1.9x0.7in Remote Control Battery: 1 x CR2025 battery (not included) Package Includes: 1 x Digital Optical Audio Switch 1 x Remote Control 1 x Power Cable