■ Distributes optical digital audio to up to 3 outputs: The RP-OPTSP13 is a device that can connect to TVs, recorders, audio devices, etc. and distribute audio to up to 3 optical digital devices. By relaying this device to distribute multiple audio devices, you can enjoy audio from movies, games, and more to suit your needs. ■ Supports voice up to 24bit / 96kHz and surround up to the RP-OPTSP13 supports audio data up to 24bit / 96kHz You can also play high-definition audio source of Blu-ray discs (PCM24bit/96kHz). Also compatible with Dolby Digital, DTS and AAC (up to 48 kHz) each (2ch / 5.1ch *Surround up). Connect with your home theater set for immersive sound. - External power input allows stable operation. The RP-OPTSP13 comes with a USB cable (standard A to USB mini-B) for power supply. Power input for stable operation. USB AC adapter not included. Please prepare it separately when using the USB AC adapter.