PLANTRONICS
World Leader in Communications Headsets
Limited Power of Attorney
Securities Law Compliance
The undersigned, as an officer or director of Plantronics, Inc. (the
"Corporation"), hereby constitutes and appoints Richard Pickard, Philip
Dundas, Courtney Bottger, or Kathy Ovalle, each individually as the
undersigned's true and lawful attorney-in-fact and agent to complete and
execute such Forms 144, Forms 3,4, and 5 and other forms as such attorney
and agent shall in his or her discretion determine to be required or advisable
pursuant to Rule 144 promulgated under the Securities Act of 1933 (as amended),
Section 16 of the Securities Exchange Act of 1934 (as amended) and the
respective rules and regulations promulgated thereunder, or any successor laws
and regulations, as a consequence of the undersigned's ownership, acquisition
or disposition of securities of the Corporation, and to do all acts necessary
in order to file such forms with the Securities and Exchange Commission, any
securities exchange or national association, the Corporation and such other
person or agency as the attorney shall deem appropriate. The undersigned hereby
ratifies and confirms all that each of said attorneys-in-fact and agents shall
do or cause to be done by virtue hereof.

This Limited Power of Attorney is executed at Santa Cruz, CA as of the date
set forth below.

/s/ Mark Breier
Mark Breier
Date: July 26, 2004

Witness:
/s/ Courtney Bottger
Courtney Bottger
Date: 7/26/04