1. Introduction
The Razer Kraken Ultimate is a USB gaming headset designed for immersive audio experiences across multiple platforms. It features THX Spatial Audio, a noise-canceling microphone, and customizable RGB lighting. This manual provides instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance of your headset.

Figure 1: Razer Kraken Ultimate USB Gaming Headset.
2. Package Contents
Ensure all items are present in your package:
- Razer Kraken Ultimate USB Gaming Headset
- User Manual
For a visual guide on unboxing and initial setup, refer to the video below:
Video 1: Unboxing and initial overview of the Razer Kraken 7.1 Gaming Headset, demonstrating components and basic features.
Video 2: Detailed unboxing and review of the Razer Kraken Ultimate RGB Gaming Headset, showcasing its design and features.
3. Setup
The Razer Kraken Ultimate connects via a USB connector. For optimal performance and access to all features, including THX Spatial Audio, install the Razer Synapse software.
3.1 Connecting to your PC
- Plug the USB connector of the headset into an available USB port on your PC.
- Your operating system should automatically detect the device.
- For full functionality, download and install the Razer Synapse software from the official Razer website.
Note: THX Spatial Audio is available on Windows 10 64-bit only.

Figure 2: USB connector for the Razer Kraken Ultimate headset.
4. Operating Instructions
4.1 On-Earcup Audio Controls
The left earcup features integrated controls for convenient audio management:
- Volume Scroll Wheel: Adjusts the headset's audio volume.
- THX Spatial On/Off Toggle: Activates or deactivates THX Spatial Audio.
- On-Mic Mute Switch: Press the tip of the microphone to mute/unmute. A red LED indicates the microphone is muted.

Figure 3: Integrated controls on the left earcup, including volume wheel and THX Spatial toggle.
Video 3: Demonstration of the Razer Kraken Ultimate USB Gaming Headset's on-earcup controls and retractable microphone.
5. Features
5.1 THX 7.1 Surround Sound
Experience industry-leading audio realism with THX Spatial Audio, providing accurate spatial audio information for enhanced in-game immersion.

Figure 4: THX 7.1 Surround Sound for gaming immersion.
5.2 Custom-Tuned 50mm Drivers
The headset is equipped with powerful, custom-tuned 50mm sound drivers that deliver a full range of clear and powerful audio, from cinematic explosions to subtle footsteps, for greater in-game awareness.

Figure 5: Custom-tuned 50mm sound drivers for powerful audio.
5.3 Retractable, Active Noise Cancelling Microphone
The bendable and retractable microphone features Active Noise Cancellation (ANC) to reduce background and ambient noises, ensuring crystal-clear communication with teammates.

Figure 6: Retractable microphone with Active Noise Cancellation.
5.4 All-Day Comfort
Designed for extended gaming sessions, the headset features oval, cooling gel-infused cushions that prevent overheating and pressure build-up, along with a soft mesh material underneath the headband for comfort.

Figure 7: Cooling gel-infused ear cushions for comfort.
5.5 Razer Chroma RGB Lighting
Customize your headset with Razer Chroma RGB lighting, offering 16.8 million colors and full integration with Razer hardware and compatible game titles.

Figure 8: Customizable Razer Chroma RGB Earcup Underglow.
6. Specifications
| Feature | Specification |
|---|---|
| Model Name | Kraken Ultimate |
| Item Model Number | RZ04-03180100-R3U1 |
| Connectivity Technology | USB |
| Headphones Jack | USB |
| Noise Control | Active Noise Cancellation (Microphone only) |
| Frequency Response | 20 Hz – 20 kHz |
| Audio Driver Size | 50 Millimeters |
| Impedance | 32 Ohms |
| Ear Placement | Over Ear |
| Material | Aluminum, Faux Leather, Stainless Steel |
| Item Weight | 0.03 Ounces |
| Product Dimensions | 7.68 x 6.9 x 3.94 inches |
| Compatible Devices | PC |
7. Maintenance
To ensure the longevity and optimal performance of your Razer Kraken Ultimate headset, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe down the earcups and headband. Avoid using harsh chemicals or abrasive materials.
- Storage: Store the headset in a cool, dry place away from direct sunlight and extreme temperatures. Avoid placing heavy objects on the headset.
- Cable Care: Handle the USB cable gently. Avoid sharp bends or excessive pulling, which can damage the internal wires.
- Microphone: When not in use, retract the microphone into the earcup to protect it from damage.
8. Troubleshooting
If you encounter issues with your Razer Kraken Ultimate headset, try the following solutions:
- No Sound/Low Volume:
- Check the volume scroll wheel on the left earcup and ensure it is turned up.
- Verify that the headset is selected as the default audio output device in your PC's sound settings.
- Ensure the USB connector is securely plugged into the port. Try a different USB port.
- Microphone Not Working:
- Press the tip of the microphone to ensure it is not muted (red LED should be off).
- Check your PC's sound settings to ensure the microphone is selected as the default input device and its volume is not set to zero.
- Ensure the Razer Synapse software is installed and the microphone settings are correctly configured.
- THX Spatial Audio Issues:
- Confirm that THX Spatial Audio is enabled via the toggle on the earcup or within Razer Synapse.
- Ensure your PC is running Windows 10 64-bit, as this feature is exclusive to this operating system.
- Update your Razer Synapse software to the latest version.
For further assistance, visit the official Razer Support website.
9. Warranty and Support
The Razer Kraken Ultimate USB Gaming Headset comes with a manufacturer's warranty. For detailed information regarding warranty terms, conditions, and duration, please refer to the warranty card included in your product packaging or visit the official Razer Support website.
For technical support, driver downloads, and FAQs, please visit www.razer.com/support.





