Best budget computer speakers: $100 or less | PCWorld
Logitech Z906 5.1 Surround Sound Speakers System
Amazon.com: Logitech G560 PC Gaming Speaker System with 7.1 DTS:X Ultra Surround Sound, Game based LIGHTSYNC RGB, Two Speakers and Subwoofer, Immersive Gaming Experience - Black : Electronics
Logitech G G635 Virtual 7.1-Channel Surround Sound 981-000748
Logitech Z506 5.1-Channel Speaker System (Manufacturer Refurbished) | Groupon
Logitech G560 RGB PC Gaming Speakers with Game-Driven Lighting
Amazon.com: Logitech Z506 Surround Sound Home Theater Speaker System : Electronics