Advanced 71 virtual surround sound engine for pinpoint positional audio the razer kraken 71 v2 delivers an immersive surround sound gaming experience to enhance your aural situational awareness yoursquoll always hear where the enemy is coming from and where your team is located to strike with precision whatrsquos more the engine is entirely customizable via razer synapse so you can determine the best placement for the audio channels to best fit your own listening preferences 50 mm