The Appsys ProAudio ADX-8 Extender for ADAT and TOSLINK Optical Audio Connections over Cat 5 overcomes the 16.4' length limit of ADAT connections. With the ADX-8 input signal is 100% bitwise transmitted in real time to the output. The ADX-8 is ideally suited for connecting your PC to your Hi-Fi equipment. It's great for upgrading your network cabling to a true Hi-Fi-capable sound bridge.