3 in 1 out Aluminum Alloy SPDIF Optical Digital Audio Splitter 3x1 SPDIF Optical Cable Switch Hub Support DTS AC3 Specifications: Input Optical Format: Dolby Digital & DTS 5.1, PCM Stereo 32kHz, 44.1kHz, 48kHz, 96kHz and 192KHz Output Optical Format: Dolby Digital & DTS 5.1, PCM Stereo 32kHz, 44.1kHz, 48kHz, 96kHz and 192KHz Supports optical digital audio formats: PCM2.0 / DTS / Dolby-AC3 Signal adjustment: Supported Switching method: Remote control switching/Button switching Using optical cables: The signal loss is 0.2Db/m, and the transmission distance can reach 40 meters. Features: Transmission distance up to 40m via optical fiber cable that losses less than 0.2dB/m,sampling frequency up to 96 KHz. Over-voltage protection can prevent the damage caused by connecting unmatched power adapter to the machine. Aluminum Alloy Design: Overall Shielding without Signal Interference, Ensure high-quality audio signal; Package Includes: 1x Optical Audio Switch 3x1 1x Power Cable(Not included power adapter) 1x Optical Cable 1x User Manual 1X Remote control