Sony's ECM-77 has been a broadcast standard since it arrived on the market sometime in the mid 1980's. It's both very good sounding and has a reasonably low noise floor for a miniature electret mic, and has stuck around for a very long time. Only really being equalled in more recent years due to the proliferation of Sanken COS-11 and DPA 4060/61/71 series lav mics. The latter of which are very much the lavs of choice for theatre, film and TV productions. Despite that the ECM-

The Sony UWP-D Wireless package has been around for a few years now, and is a replacement for Sony's older mid-tier UWP radio mic package. It has most of the same features of the older system (including backward compatibility with that system) but offers a new digital companding mode; more on that in a minute. Design The first thing you notice about this new system is the design and build quality. Sony have redesigned the packs, to be more in line with your typical radio mic