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 Switch Material: ABS Support Sound Format: LPCM2.0 DTS AC3 Peak Wavelength: 650nm Maximum Transmission Rate: 16Mbps Remote 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