surround sound 
noun [mass noun]
A system of stereophony involving three or more speakers surrounding the listener so as to give a more realistic effect: [as modifier]: I am about to purchase a spangly new surround sound system for my living room...
- The best gaming PCs come with a complete 5.1 speaker system for true digital surround sound.
- An entertainment system with surround sound can transform this room into a home theater.
- No benchmark could ever provide a definitive evaluation system for surround sound.
- crystaloblastic
- crystal oscillator
- Crystal Palace
- crystal physics
- crystal pulling
- crystal radio
- crystal receiver
- crystal rectifier
- crystal seeing
- crystal seer
- crystal set
- crystal stone
- crystal structure
- crystal system
- crystal therapy
- crystal violet
- crystal-vision
- crystalware
- crystalwort
- cry stinking fish
- crystoleum
- cry wolf
- crèche
- crème anglaise
- crème brûlée