Wireless Microphone Systems

Wireless microphone work in China runs through one of the most heavily regulated RF environments any international production will encounter. MIIT (Ministry of Industry and Information Technology) allocates and polices the spectrum that production audio sits inside, and the post-700 MHz reallocation plus aggressive enforcement around Beijing, Shanghai, and Shenzhen mean spectrum hygiene is not optional.

Here is how this works in practice. Our inventory leads with Lectrosonics Digital and Wisycom MCR54 for narrative work where audio quality and spectral efficiency matter, Zaxcom for productions that need recording-capable transmitters as a redundant track, and Sennheiser EW-D for value-tier ENG and second-unit channels. Lavalier capsules span DPA 4060 and 6060 subminiature for concealment work, Sanken COS-11D for principal cast on extended shoots, Sennheiser MKE 1 and 2, and Countryman B6 — all imported via China Customs ATA carnet through Beijing or Shanghai entry points.

Frequency coordination starts before the kit leaves our Beijing facility — we scan the production's locations across Hengdian backlots, Shanghai Pudong commercial interiors, Beijing hutong exteriors, or remote Yunnan and Tibet unit bases, and allocate clean channels inside MIIT-authorised blocks before crew call. Antenna distribution, RF cabling, and Helical or shark-fin antennas are deployed for large-coverage drama at Qingdao Wanda or Hengdian World Studios where talent can move hundreds of metres between marks.

The picture on the ground is more specific. Two hundred-plus coordinated channels are available for ensemble shows, and Chinese Filmmakers' Association-affiliated sound mixers trained at the Beijing Film Academy run the assignment sheet on the day. Backup transmitters and receivers ship with every booking, and on-call RF support runs through the shoot — which matters when a wireless drops out mid-scene in a Wangfujing crowd exterior.