RDL

electronic circuitry and mounts for audio and video systems, namely, racking systems comprising metal panels and chassis assemblies with accompanying hardware; mounting plates of metal and plastic for mounting electronic modules; mounting kits comprising metal brackets, adhesive foam tape and/or detachable interlocking plastic strips; terminal blocks; wall mounting boxes and jack boxes; cover plates of steel for electromagnetic compatibility; remote channel selectors; remote level controllers for adjusting audio, video or lighting levels; amplifiers; audio coupling transformers; audio, video and data input interfaces; voltage transient suppressors for audio and data signals; power supplies; preamplifiers; noise monitors; audio line-level and microform level mixers; ramp generators; paging modules; equalizers; audio compressor/limiters; signal switching relays; audio switches; audio and video signal filters; telephone system couplers; controllable audio mixing and routing matrices; audio meters; attenuators; oscillators; signal format converters for audio, video and data signals