I tried using an under monitor audio system "Sound BlasterX Katana" that is perfect for game play with a powerful bass - GIGAZINE
Amazon.com: Sound BlasterX Katana Multi-Channel Surround Gaming and Entertainment Soundbar - Hardware Processing, Supports Dolby Digital 5.1 Decoding, Bluetooth-Enabled, for PC, Mac, PS4, and Other Consoles : Video Games
Sound BlasterX Katana Now Supports USB Audio for Sony PS4, PS4 Pro, and PS4 Slim | TechPowerUp
Amazon.com: Sound BlasterX Katana Multi-Channel Surround Gaming and Entertainment Soundbar - Hardware Processing, Supports Dolby Digital 5.1 Decoding, Bluetooth-Enabled, for PC, Mac, PS4, and Other Consoles : Video Games
Hands-on: Creative's Sound BlasterX Katana slices the competition and then some - HardwareZone.com.sg