Razer Barracuda AC-1 £136.99 (+ postage of £5.50) The Razer Barracuda™ AC-1 Gaming Audio Card delivers optimized audio signals directly from the computer game to the gamer, creating the most realistic gaming environment. It features proprietary Razer audio technologies including the patent pending Razer Enhanced Sonic Perception™ architecture to allow gamers to pinpoint the exact location of enemies more accurately than before. Expanded In-Game Dynamic Soundstage for Explosive Gameplay The Razer Enhanced Sonic Perception™ enhances the sonic level of your 3D audio, so that you can have increased audible range in-game. Onboard Dolby® Pro-Logic Technology for Surround Sound The Razer Barracuda™ AC-1 comes with built-in Dolby® Pro-Logic IIx technology. Using advanced processing algorithms, it converts a stereo or 5.1-channel source into 7.1-channel audio. Surround Sound with Only Two SpeakersThe Dolby® Virtual Speaker Solution employed within enables complete immersion in virtual surround sound fields delivered via stereo speakers. Buy Now: