Ethereal CS-C5RCA Stereo RCA Over CAT5 Extender Send stereo RCA audio signals a long distance using Category cable terminated with RJ45’s Extends up to 150’ RCA (L/R) to RJ45 connector 1 Per Pack Note can be used with 507-327  

Ethereal CS-C535 Stereo 3.5mm Over CAT5 Extender Send stereo 3.5mm audio signals a long distance using Category cable terminated with RJ45’s Extends up to 150’ 3.5mm stereo to RJ45 connector 1 Per Pack Note can be used with...

Metra CS-C5SA1 Analog Audio Extender Over Cat5E Cat6 3280' Extends analog stereo audio over standard CAT5e/CAT6 cables 20 Hz to 20 KHZ bandwidth Distance supported: Up to 3280ft (1000 Meters) Insertion Loss: Less than 2 dB over the frequency range