Audio-Technica Rack Hardware Kit Receivers Microphone Mount (ATWRM1) Rack-mount hardware kit for Audio-Technica 2000 and 3000 Series wireless systems and for ATW-DA49 antenna distribution system. Allows mounting a half-rack receiver or distribution system in a 19" audio equipment rack; brings antennas to the front for improved reception. Includes: Long rack ear Short rack ear Two BNC bulkhead connectors with mounting hardware Two 34" BNC-to-BNC cables