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What is 5.1 Surround Sound?

With 5.1 Surround Sound there is a speaker in virtually every corner of the room. These speakers are projecting high-quality digital sound at you from all angles just as though you were in a theater.

The sound has diversification, with deep, thunderous bass rumbling the floorboards as an explosion happens on screen, and subtle sound effects skittering and tapping behind you in a suspenseful scene. For music, it’s pure and clear in the song you’re listening to.

In technical terms, it means a set of speakers, usually five including the all-important “center speaker,” and a subwoofer for powerful bass. This is where the term “5.1” comes from — five speakers and a subwoofer. Below are descriptions of the various parts of a surround sound system.

Components of a Surround Sound Speaker System

  • Subwoofer– A subwoofer is a large, powered speaker specifically designed to produce bass tones and other low-frequency notes. A subwoofer uses air pressure to create a deep, rumbling sound in order to fill a room with bass noises.
  • Center Speaker– The center speaker is the most important speaker of all the speakers. Usually larger, more versatile, and containing more individual speaker cones than the other satellite speakers, most of the “important sound” is channeled through this speaker.
  • Satellite Speakers– A satellite speaker is placed on the left or right sides of the room.


  • Dolphin AV can install your 5.1 Surround Sound System. We install 5.1 Surround Sound is Bluffton SC., Hilton Head, SC., as well as the surrounding areas. We offer free estimates for all surround sound speaker system installs. Contact us today to set up an in home estimates. Call Dolphin AV at (843) 540-4378.

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