Feature:1. 3 IN 1 OUT: Digital optical sound switch supports three optical signal inputs switching to one optical signal output, switching to a set of SPDIF for TOSLINK signal receiving devices.2. SOUND FORMAT: Digital optical sound switcher supports sound format LPCM2.0 DTS AC3 and supports signal timing reformulation.3. OUTPUT DISTANCE: Digital SPDIF switch uses cable loss less than 0.2dB/m, output distance up to 40m/43.7yd, supports breakpoint memory.4. INFRARED REMOTE CONTROL: Optical sound splitter input can be switched by infrared remote control, or manually switched by direct button.5. OVERVOLTAGE PROTECTION: SPDIF sound splitter supports overvoltage protection, which prevents damage caused by connecting mismatched power adapters to the machine.Specification:Item Type: Digital Optical Sound SwitchMaterial: ABSSupport Sound Format: LPCM2.0 DTS AC3Peak Wavelength: 650nmMaximum Transmission Rate: 16MbpsRemote Control Battery: CR2025 Button Cell (not Included).Package List:1 x Switcher1 x Remote Control1 x IR Extension Cable1 x Power Cord1 x Instruction Manual