600 Ohm Balanced Audio
REM600 series
Audio Adapters

REM-609 XLR Mic Cable 10' XLR Male to XLR Female
REM-610 Hi Z to Low Z Transformer 1/4" Female to XLR Male
REM-611 Low Z to Hi Z Transformer XLR Female to 1/4" Male
REM-612 Ground Lift XLR Male to XLR Female
REM-620 20 dB Pad XLR Male to XLR Female
REM-640 40 dB Pad XLR Male to XLR Female
REM-621
$18.00
20dB Pad
Outbound Audio
H Pad on RJ45 pins 4+5

CAT5 wiring - attenuation is on the Blue/BlueWhite wires.

RJ45 Male to RJ45 Female
REM-622
$18.00
20 dB Pad
Inbound Audio
H Pad on RJ45 pins 3+6

CAT5 wiring - attenuation is on Green/GreenWhite wires.
RJ45 Male to RJ45 Female
REM-623
$30.00
Set of two 
20 dB pads
RJ45 Male to RJ45 Female
REM-699 XLR Audio Adapter Kit Variety of Audio Adapters
NRC-12 Audio Adapter Kit Variety of Audio Adapters