The 390-gram headset is obviously designed for use in longer gaming sessions. When you put them on your head, Kraken Ultimate immediately makes a very high-quality impression. If you pull out the microphone, you’ll find a mute button which, when activated, will show as a circle of red light around the microphone. Operation on the headset itself is limited to a volume wheel and a button to activate Spatial Audio. If you switch from your PC to another system, the active headphone settings are retained. All these settings can be stored as profiles. You can also activate noise suppression, volume normalization and speech quality, which are intended to filter out background noise. In addition to the volume, the sensitivity can be adjusted and “monitoring” can be switched on. The pull-out microphone can also be adjusted via the software. This is complemented by a 10-band EQ with ready-made profiles, and you can also save user-defined settings. Here, you can activate THX Spatial Audio to enjoy surround sound, and you can make fundamental improvements such as bass boost or audio normalization. The audio settings that are available in the software are at least as extensive. If you already have other Chroma devices from Razer, then you can put together an impressive light show. These effects can also be layered, so you can create a very individual colour design. In addition, the colour changes can be configured with nice effects, so they respond to a certain rhythm or to the incoming audio signals. There are 16.8 million colours to choose from. This software basically controls everything, and here we also find the Chroma Studio where you can change the colour of the logo on both ear cups to one of many variations. When connected to the computer, the Synapse software installation window opens immediately if it is not already installed on the computer. The Kraken Ultimate offers a fixed USB cable of two metres in length. Besides the headphones, there are only instructions and the obligatory stickers (for fans of decoration) included in the box.

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