Wireless Audio Systems

Wireless audio in China sits inside one of the most tightly regulated spectrum environments on the planet, and MIIT (Ministry of Industry and Information Technology — the Chinese FCC-equivalent for RF spectrum) treats production wireless coordination as a 4–6 week pre-production filing, not a same-day fix. The 700 MHz band was reallocated to 5G mobile carriers, pushing professional production wireless into the remaining UHF slots, and tier-1 cities. Beijing CBD, Shanghai Pudong, Shenzhen Nanshan tech corridor — sit inside some of the densest RF environments in the world.

Here is how this works in practice. Our wireless packages run on Lectrosonics SRc receivers paired with SMQV and DBSM transmitters as the rental SKU of choice across Chinese drama and feature sets from Mango Sound Beijing, Bird Audio, Tencent Audio and iQIYI Audio Rental, with Wisycom MCR54 receivers for high-channel-count productions on CCTV and streamer originals, Sennheiser Digital 6000 where the mix demands it, and Audio Ltd A10 for low-profile body-pack work under heavy period-drama wardrobe. Lavalier inventory leans on DPA 4060/4061, Sanken COS-11 and Countryman B6, with sweat- and movement-management kit for silk, brocade and lacquered-armour costumes.

RF management on Chinese locations means more than picking clean frequencies. MIIT licensing filings for foreign-led productions take 4–6 weeks and must list every transmitter frequency, power output and operating location. Coordination is mandatory rather than optional, and unlicensed wireless on set risks NRTA escalation. Spectrum scans are run at every venue before deployment — essential in the Beijing CBD, Shanghai Pudong and Shenzhen Nanshan corridors where multiple productions share the same band — and coordination accounts for CCTV outside-broadcast trucks, Mango TV regional broadcasters and the steady traffic of Chinese commercial spectrum users.

The picture on the ground is more specific. Packages scale from two-channel documentary kits up to forty-plus-channel feature and drama deployments, with IFB systems (Comtek, Lectrosonics IFB, Shure PSM) layered in for director and talent communication. All deployments include backup transmitters, batteries and antenna distribution, comply with NRTA on-set monitor protocols, and operate under CFA terms with 17% VAT paperwork for iQIYI, Youku and Tencent Video originals.