Ii. wired push-to-talk microphones – Polycom Vortex User Manual

Page 3

Application Note: “Microphone Selections for Polycom Vortex Devices” – 01/2006

EYERDYNAMIC

MPC

http://www.beyerdynamic.com/cms/Acoustical_Boundary.59.0.html?&L=1

Boundary style cardioid microphones. Available in white or black.

LOCK

UDIO

http://www.microphones-audio.com/brochure/acatalog/Boundary-Layer.html

Boundary style cardioid microphones.

HURE

EZO

http://www.shure.com/microphones/models/ezo.asp

Hanging mics that are often used in ceiling mic configurations.

HURE

MX412

AND

MX418

http://www.shure.com/microphones/models/mxgooseneck.asp

Gooseneck microphone with 12 or 18 inch length.

II. Wired Push-To-Talk Microphones

Push-to-talk, or PTT microphones remain in an “off” mode until a button is pressed. This button is normally
located at the microphone. Many varieties of PTT microphones are available; here are a few options that
can be used with your Vortex product.

UDIO

ECHNICA

U891RC

http://www.audio-technica.com

(follow links to products page)

A wide-range condenser microphone with a cardioid pickup pattern. The on/off switch can be set to three
different operating modes. This microphone includes extra conductors that can be wired to the logic ports
on the Vortex.