I tried using an under monitor audio system "Sound BlasterX Katana" that is perfect for game play with a powerful bass - GIGAZINE
Sound BlasterX Katana Multi-Channel Surround Gaming and Entertainment Soundbar - Hardware Processing, Dolby Digital, and Bluetooth Enabled : Amazon.ca: Video Games
Creative Labs Sound BlasterX Katana
Review: Creative's Sound BlasterX Katana brings a punch to the desktop | AppleInsider
Creative Sound BlasterX Katana review: Price now slashed to £190 | Expert Reviews