Amazon.com: CAT Box MX - Male XLR Stage Box with Analog Audio Over Shielded CAT Cable. Send 4 Channels of Audio, DMX, Clear-Com or AES. : Musical Instruments
SoundTools CAT Rack Stage Box
Behringer SD8 8-channel Stage Box | Sweetwater
4-Channel Studio Wall Box / Stage Box | Made from Mogami 2931 & Neutrik Gold Connectors | Pro Audio LA