1. Introduction and Overview
The Logitech G35 is a 7.1-channel surround sound gaming headset designed for immersive audio experiences. It features Dolby technology for a detailed soundfield, allowing users to pinpoint in-game audio cues. The headset includes three swappable headband pads for personalized comfort, three customizable G-keys for quick command access, and convenient on-ear audio controls. An adjustable, noise-canceling microphone ensures clear communication by focusing on your voice and reducing background noise.

Figure 1: Front view of the Logitech G35 7.1-Channel Surround Sound Gaming Headset.
2. What's in the Box
Verify that all components are present in the packaging:
- Logitech G35 Headset
- 3 Swappable Headband Pads
- User Documentation
3. Setup Instructions
- Connect the Headset: Plug the USB connector of the Logitech G35 headset into an available USB port on your computer (desktop or laptop).
- Install Software: For full functionality, including 7.1 surround sound and G-key customization, download and install the latest Logitech G HUB software from the official Logitech website. Follow the on-screen instructions for installation.
- Initial Configuration: After software installation, open the Logitech G HUB application to configure audio settings, microphone levels, and customize the G-keys according to your preferences.

Figure 2: The Logitech G35 headset showing its USB connection.
4. Operating Instructions
4.1. 7.1 Surround Sound
The G35 headset utilizes Dolby technology to deliver 7.1-channel surround sound. This feature enhances spatial awareness in games, allowing you to hear directional audio cues more accurately. Ensure 7.1 surround sound is enabled in the Logitech G HUB software for optimal performance. The headset provides a detailed soundfield for an immersive experience.
Video 1: An overview of the Logitech G35 headset features, including 7.1 surround sound, customizable G-keys, and microphone.
4.2. Customizable G-Keys
The headset features three customizable G-keys (G1, G2, G3) located on the left earcup. These keys can be programmed using the Logitech G HUB software to perform various functions, such as launching applications, executing macros, or controlling media playback. This provides one-touch command over music, chat clients, and other functions.

Figure 3: Side view of the Logitech G35 headset, highlighting the G-keys and on-ear audio controls.
4.3. On-Ear Audio Controls
Conveniently located on the left earcup are controls for volume adjustment and microphone mute. Use the volume roller to increase or decrease audio output. The microphone mute button allows for quick silencing of the microphone. These controls provide quick access to essential audio adjustments without interrupting your activity.
4.4. Noise-Canceling Microphone
The adjustable microphone features noise-canceling technology, designed to focus on your voice and minimize background noise. This ensures clear communication with teammates or during calls. The microphone also includes a mute light indicator, which illuminates when the microphone is muted.

Figure 4: Front view of the Logitech G35 headset with the adjustable microphone extended.
5. Key Features
- 7.1 Surround Sound: Powered by Dolby technology for a detailed and immersive soundfield.
- Swappable Headband Pads: Three interchangeable pads for a comfortable and personalized fit during extended use.
- Customizable G-Keys: Three programmable G-keys for one-touch control of various functions.
- On-Ear Audio Controls: Quick access to volume adjustment and microphone mute.
- Adjustable Noise-Canceling Microphone: Focuses on voice and reduces background noise for clear communication, includes a mute light.
- Compatibility: Works with Windows 10, Windows 8, Windows 7, or Windows Vista, Windows XP.

Figure 5: Top view of the Logitech G35 headset, showing the headband design.
6. Maintenance
To ensure the longevity and optimal performance of your Logitech G35 headset, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe down the headset. Avoid using harsh chemicals or abrasive materials. For earcups and headband pads, a slightly damp cloth can be used, ensuring they are completely dry before use.
- Storage: Store the headset in a clean, dry place away from extreme temperatures and direct sunlight.
- Cable Care: Avoid sharp bends or excessive pulling on the USB cable to prevent damage.
- Headband Pads: The swappable headband pads can be removed for cleaning or replacement. Refer to the user documentation for specific instructions on removing and attaching the pads.
7. Troubleshooting
If you encounter issues with your Logitech G35 headset, try the following solutions:
- No Sound/Low Volume:
- Ensure the USB cable is securely connected to your computer.
- Check the volume roller on the headset and your computer's system volume.
- Verify that the Logitech G35 is selected as the default audio output device in your operating system's sound settings.
- Confirm that 7.1 surround sound is enabled in Logitech G HUB if desired.
- Microphone Not Working:
- Check if the microphone mute button on the headset is engaged (mute light will be on).
- Ensure the microphone is positioned correctly and not obstructed.
- Verify that the Logitech G35 microphone is selected as the default input device in your operating system's sound settings and in any communication software (e.g., Discord, Ventrilo).
- Adjust microphone sensitivity in Logitech G HUB to reduce background noise.
- Comfort Issues:
- Experiment with the three swappable headband pads to find the most comfortable fit for your head size.
- Adjust the headset's extension to ensure it sits properly on your head and ears.
- Software Issues:
- Ensure you have the latest version of Logitech G HUB installed.
- Try restarting your computer after installing or updating the software.
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | 981-000116 |
| Connectivity Technology | Wired (USB) |
| Headphones Jack | USB |
| Audio Driver Type | Dynamic Driver |
| Ear Placement | Over Ear |
| Form Factor | On Ear |
| Impedance | 32 Ohms |
| Sensitivity | 90 dB |
| Special Features | Microphone Included, Noise Cancellation, 7.1 Surround Sound (Dolby) |
| Compatible Devices | Desktops, Laptops, Tablets (Windows OS) |
| Recommended Uses | Gaming |
| Material | Plastic |
| Color | Black |
| Item Weight | 0.47 Kilograms (1.03 pounds) |
| Product Dimensions | 5.7 x 3.3 x 0.51 inches |
| Manufacturer | Logitech |
9. Warranty and Support
The Logitech G35 headset typically comes with a manufacturer's limited hardware warranty. For detailed information regarding warranty coverage, terms, and conditions, please refer to the official Logitech website or the warranty documentation included with your product.
For technical support, driver downloads, and frequently asked questions, visit the official Logitech Support website. You can find assistance with setup, troubleshooting, and general inquiries about your G35 headset.
Note: This manual provides general instructions. Specific warranty terms may vary by region and retailer. Always consult official Logitech resources for the most accurate and up-to-date information.