Suitable transmission cable: twisted pair cable, e.g. CAT-5/5e/6 0.25 mm² (AWG 24)
Impedance: 100 ohms/1 MHz
Max. capacitance: 200 pF/ft
Attenuation: 6.6 dB per 300 m/1 MHz
Max. cable length: 600 m
Source impedance: 100-600 ohms
Receiver impedance: 10-100 kohms
Connection: 4 x RCA, 1 RJ34
Pin configuration: audio 1: pin 7 (R) & 8 (T), audio 2: pin 4 (R) & 5 (T),
audio 3: pin 1 (R) & 2 (T), audio 4: pin 3 (R) & 6 (T),
Operating temperature: 0 to 55 °C
Power supply: not required
Dimensions (L x W x H): 93 x 83 x 31 mm
Weight: 0,05 kg
Height: 3,1 cm
Depth: 8,3 cm
Width: 9,3 cm 

Passive CAT-5 extender for audio signals
-Cost-efficient transmission of stereo audio signals up to 600 meters
-For unshielded twisted pair cables and CAT-5 or higher network cables
-For universal applications as a transmitter or receiver
-Stereo audio connection via 2 x RCA L/R
-Cable connection via RJ45 jack
-Passive, no power supply required