This audio adapter set by Delock can be used to transmit and extend stereo audio signals via a Cat.5 patch cable.

System requirements:
• A free stereo port 3.5 mm
• A free RJ45 plug
• An optional RJ45 connection cable

Specification:
• Connectors:
  1 x RJ45 jack >
  1 x 3.5 mm 3 pin stereo jack male
• 1:1 connected
• Operating range up to 50 meter
• Cat.5 specification
• Cable gauge: 28 AWG
• Material: PVC
• Cable colour: black

Package content:
• 2 x Adapter

Data sheet:
http://www.delock.de/produkt/87858/pdf.html?sprache=en