behringer, pk108

320W Passive PA Speaker with 8" Low-frequency Driver, 1" High-frequency Driver, and 87Hz-20kHz Frequency Response
  Behringer PK108 Passive 350-Watt 8" PA Speaker System (PK-108 / PK 108)

The Behringer PK108 is proof that top-quality sound doesn't have to cost a small fortune.