One transmitter for any mic

Choices, choices

The TRX742 has interchangeable input cones giving you the ultimate in flexibility. You can connect any microphone to the 742.

Extended Coverage

Cover four blocks with one transmitter. The TRX742.5 which covers blocks 20 through 23 (512-614 MHz) and the TRX742.6 covers blocks 23 through 26 (596-698 MHz).
action shot

The TRX742 is a plug-on style digital wireless microphone with interchangeable cones to support all professional microphone varieties – mono analog, stereo analog, AES and AES42 – making it an ideal choice for wireless transmission directly from boom poles or handheld microphones.

TRX742 comes standard with a built-in recorder, timecode reader / generator and the ability to receive timecode and remote control commands via ZaxNet. Its body is constructed from a combination of high strength nylon polymer and aluminum.

The TRX742 cones are easily swapped in the field for ultimate flexibility.

TRX742 comes standard with the cone of your choice, extra cones can be purchased as accessories.

Cone choices:

Zaxcom Digital Recording Wireless Transmitters are protected under patent #’s: 7,711,443 & 7,929,902




Press Releases Pompton Plains, N.J. — April 12, 2012 —Zaxcom today announced a new addition to its line of Digital Recording Wireless, the plug-on style TRX742. The new TRX742 is the first plug-on style transmitter supporting all professional varieties of microphones: analog mono, analog stereo and AES42.  It features Zaxcom’s patented internal backup recording, ZaxNet remote control, and NeverClip (patent pending).  NeverClip is a dual A-D preamp system providing an extended dynamic range of 127 dB. Like all technologies in Zaxcom’s popular TRX product line, the TRX742 features 100-percent digital transmission for audio quality that rivals a hard-wired system. All audio transmissions from the TRX742 are compander free and are fully encrypted to eliminate the possibility of production audio interception and theft.  With a patented internal timecode-referenced audio recorder that backs up all wireless transmissions on a removable microSD card, the TRX742 eliminates the possibility of audio loss due to interference or signal dropout. The TRX742 is powered by three AA lithium or rechargeable NiMH batteries and has a variable RF power output of 25, 50 or 125 mW. With ZaxNet, Zaxcom’s 2.4 GHz RF network that enables distribution of remote control signals, timecode and metadata, TRX742 users will be able to control gain and audio replays remotely via a timecode reference so that multiple Zaxcom wireless systems can replay audio in sync. The ZaxNet integration also will allow production sound mixers to remix audio from multiple transmitters, creating a virtual multi-track playback and re-record system. “With the versatility of supporting both mono and stereo transmission, the TRX742 will provide wireless operation for professional microphones that to this point have only been available for wired operation,” said Glenn Sanders, Zaxcom president.  “The TRX742 will be the highlight of our booth at the 2012 NAB Show, and we’re anticipating a lot of interest among audio mixers worldwide.” The TRX742 is compatible with all Zaxcom wireless receivers and IFB / ZaxNet transmitters.  The TRX742 with integrated recording will be available summer 2012 for a list price of $1,995 USD. A full range of professional audio technologies from Zaxcom, including the TRX742, will be on display at the 2012 NAB Show, Booth C2936. More information about Zaxcom’s full line of audio systems is available at # # # About Zaxcom, Inc. Zaxcom, Inc. designs and manufactures innovative professional  audio equipment for the television and film industries. A pioneer in audio technologies for sound-mixing and ENG professionals, Zaxcom engineered the first digital wireless microphone and the first wireless microphone to feature integrated audio recording, IFB receivers, and  timecode transmission. The company holds a U.S. patent for its wireless recording technology. Zaxcom Introduces New Plug-on Digital Recording Wireless Transmitter Featuring NeverClip
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