However, these specs are identical to that of the original Tune Buds. The only upgrade, at least in terms of hardware, is a 6-microphone array to replace the old 4-mic array. Extra microphones ...

Microphone, Nexadyne 5 Guitar Amp Microphone ... including an expanded 138 MHz tuning range capability, enabling country-wide frequency versatility. Next up from Shure are the SLX-D Quad-Channel ...

a wideband UHF 2-channel encrypted digital wireless microphone solution with over 100 MHz of RF tuning range. "The DIALOG® AERO digital wireless microphone system, with less than 4 ms of end-to ...