Audio-Technica ES931PMWH rotary-speaker It sets a higher standard

It sets a higher standard of energy efficiency

The microphone

The QRx153/75 has an excellent combination of performance and flexibility for demanding audiences

and while In monophonic mode

It supports Wi-Fi

Audio-Technica ES931PMWH rotary-speaker It sets a higher standardWith its low profile and rugged yet highly flexible design, the ES931 condenser gooseneck microphone is a perfect fit for boardrooms, school and government settings, teleconferencing, houses of worship, and other installed applications. The microphone is equipped with a special TA3F type connector that works with compatible Audio Technica power modules and features UniGuard RFI shielding technology for outstanding rejection of radio frequency