1. Introduction
This manual provides comprehensive instructions for the setup, operation, maintenance, and troubleshooting of your Rampage RM-K90 RGB Type-C Gaming Headset. Please read this manual thoroughly before using the product to ensure proper functionality and to maximize your gaming experience.
2. Package Contents
Upon unboxing, please verify that all items listed below are present and in good condition:
- Rampage RM-K90 RGB Type-C Gaming Headset
- User Manual (this document)
3. Product Overview
Familiarize yourself with the various components of your Rampage RM-K90 headset.

Figure 3.1: Front view of the Rampage RM-K90 RGB Type-C Gaming Headset. This image displays the headset with its adjustable headband, cushioned earcups, integrated microphone, and RGB lighting on the earcups.
- Adjustable Headband: For comfortable fit.
- Cushioned Earcups: Designed for extended wear.
- Integrated Microphone: Flexible boom microphone for clear communication.
- RGB Lighting: Customizable lighting effects on earcups.
- Type-C Connector: For universal compatibility.
- In-line Controls: Volume scroll wheel and microphone mute switch.

Figure 3.2: Side view of the Rampage RM-K90 headset, highlighting the in-line controls located on the left earcup. These controls typically include a volume adjustment wheel and a microphone mute switch.

Figure 3.3: Close-up of the USB-C connector for the Rampage RM-K90 headset. This connector ensures broad compatibility with various devices.
4. Setup Instructions
4.1 Connecting the Headset
- Locate an available USB Type-C port on your computer, gaming console, or mobile device.
- Insert the USB Type-C connector of the Rampage RM-K90 headset firmly into the port.
- The headset should be automatically recognized by most operating systems. Drivers may be installed automatically.
4.2 Audio Settings Configuration (Windows Example)
- Right-click the speaker icon in the system tray (bottom-right corner of the screen).
- Select "Sound Settings" or "Open Sound settings".
- Under "Output", select "Rampage RM-K90" (or similar name) as your output device.
- Under "Input", select "Rampage RM-K90 Microphone" (or similar name) as your input device.
- Adjust volume levels as needed.
4.3 Adjusting for Comfort
- Gently extend or retract the headband slides until the earcups rest comfortably over your ears.
- Ensure the earcups fully enclose your ears for optimal sound isolation and comfort.
- Position the microphone boom arm approximately 2-3 cm from your mouth for clear voice capture.
5. Operating Instructions
5.1 Volume Control
The headset features an in-line volume control wheel, typically located on the left earcup. Rotate the wheel upwards to increase volume and downwards to decrease volume.
5.2 Microphone Mute
A microphone mute switch is integrated into the headset's controls, usually near the volume wheel. Flip the switch to mute or unmute the microphone. A visual indicator (e.g., LED on microphone tip) may show the mute status.
5.3 RGB Lighting
The RGB lighting on the earcups will activate automatically upon connection. Specific controls for changing lighting modes or colors may be available through dedicated software (if provided by Rampage) or by a button on the headset itself (refer to product specifications for details).
6. Maintenance and Care
- Cleaning: Use a soft, dry cloth to wipe the headset. For earcups, a slightly damp cloth with mild soap can be used, but ensure no liquid enters the speaker grilles. Do not use harsh chemicals or abrasive cleaners.
- 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: Avoid sharp bends or twists in the cable. Do not pull the cable to disconnect the headset; always grasp the connector.
- Avoid Impact: Protect the headset from drops or impacts, which can damage internal components.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from headset |
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| Microphone not working |
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| RGB lighting not working |
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8. Specifications
| Feature | Detail |
|---|---|
| Model Name | RM-K90 |
| Brand | Rampage |
| Connectivity | USB-C |
| Ear Placement | Over-Ear |
| Form Factor | Over Ear |
| Microphone | Integrated, Flexible |
| Lighting | RGB |
| Controls | In-line Volume, Microphone Mute |
| Compatibility | Devices with USB-C audio output (PC, Mac, PS5, Nintendo Switch, Android devices, etc.) |
9. Warranty and Support
For warranty information, please refer to the warranty card included with your product or visit the official Rampage website. Technical support can be accessed through the manufacturer's website or by contacting their customer service department.
Official Rampage Website: www.rampage.com.tr (Note: This is a placeholder URL, please verify the actual support website for Rampage products.)





