The Thor Fiber F-2A-XLR-B-TXRX XLR audio over fiber units are able to send balanced audio over fiber much further than traditional copper. Their Audio Interface with XLR kit has both a transmitter and receiver unit. Available options are for 2, 4, 8, 16 or 32 XLR inputs/outputs can be used on a single transmitter unit and sent over fiber to the receiver unit that also has an equal number of XLR outputs. The fiber allows the signal to be sent over a long distance without losing any quality in the signal. The kit is 16-bit digitally encoded broadcast quality balanced audio over one multi-mode or single-mode optical fiber. Thor XLR Audio Splitters are typically used in applications for Rental, Staging, Concerts, Theater, Churches, Stadiums, Theme Parks, Broadcast/Studio, Intercom, CCTV audio and Professional AV applications. Popular devices to use in conjunction with the XLR transmitter and receiver are: XLR Audio Mixers, Digital Audio Recorders with XLR IN/OUT and Audio signal Splitter with XLR. They are available for stand-alone or rack-mount installations. Their standard fiber connectors are ST/PC, but it could also be ordered as SC/PC or FC/PC. Basic units support up to 20Km of single mode / 3000 multimode fiber, other modes are available - 40km, 80km, 120km.