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2. Public address system - Wikipedia

   en.wikipedia.org/wiki/Public_address_system

   A public address system (or PA system) is an electronic system comprising microphones, amplifiers, loudspeakers, and related equipment. It increases the apparent volume (loudness) of a human voice, musical instrument, or other acoustic sound source or recorded sound or music.

3. Pennsylvania State System of Higher Education - Wikipedia

   en.wikipedia.org/wiki/Pennsylvania_State_System...

   The Pennsylvania State System of Higher Education (PASSHE) is an American state agency of the Commonwealth of Pennsylvania that oversees 10 state-owned universities. Collectively, it is the largest provider of higher education in the commonwealth .

4. Commonwealth System of Higher Education - Wikipedia

   en.wikipedia.org/wiki/Commonwealth_System_of...

   The Commonwealth System of Higher Education is a statutory designation by the Commonwealth of Pennsylvania that confers "state-related" status on four universities in Pennsylvania: Lincoln University, the Pennsylvania State University, Temple University, and the University of Pittsburgh.

5. In a time before PA systems, rodeos used a guy with a loud ...

   www.aol.com/time-pa-systems-rodeos-used...

   The loudspeaker system was invented. That meant that producers didn’t have to pay for the rare person with both announcing skills and a loud voice. Now all they needed was a person who could ...

6. Backline (stage) - Wikipedia

   en.wikipedia.org/wiki/Backline_(stage)

   The term backline is used in popular music and sound reinforcement system contexts to refer to electronic audio amplification equipment and speaker enclosures that are placed behind the band or the rhythm section on stage, including amplifiers and speaker cabinets for guitars, bass guitars and keyboards. Such equipment is often rented or leased ...

7. AOL.com - News, Sports, Weather, Entertainment, Local & Lifestyle

   www.aol.com

   AOL latest headlines, entertainment, sports, articles for business, health and world news.

8. Pascal (unit) - Wikipedia

   en.wikipedia.org/wiki/Pascal_(unit)

   The pascal (Pa) or kilopascal (kPa) as a unit of pressure measurement is widely used throughout the world and has largely replaced the pounds per square inch (psi) unit, except in some countries that still use the imperial measurement system or the US customary system, including the United States.

9. Pa - Wikipedia

   en.wikipedia.org/wiki/Pa

   Pa is a short form for the state of Pennsylvania and also refers to the unit of pressure in the International System of Units.