Smart AVI AR-100S RS-232 & Stereo Sound Point-to-Point CAT5 Extender Unbalanced stereo line level analogue audio to be transmitted via UTP CAT5 Hi-fidelity audio frequency response. Extend any touch screen up to 3000ft. Extend any sound system up 3000ft. Supports all protocol and baud rates. Uses easy to install inexpensive CAT5. Output reaches up to 3000 feet. Compatible with line level stereo audio signals. High ground loop immunity. Built-in lightning, power surge and transient protection. Remote units come with buffered outputs. Compact enclosure. Optional power supply for remote unit. Fully transparent path for all protocols and data transfers.