1. Introduction
This manual provides essential information for the proper use and maintenance of your KAPBOM KA-903 Wired Gaming Headset. Please read these instructions carefully before using the product to ensure optimal performance and longevity. The KA-903 headset is designed for immersive audio experiences across various platforms, including PS4, Xbox, PC, and mobile devices.
2. Product Features
- Immersive Stereo Audio: Delivers clear, high-quality sound for an enhanced gaming experience.
- Integrated Microphone with Noise Reduction: Ensures clear and precise communication, suitable for online gaming and voice calls.
- Universal P2 3.5mm Connectivity: Compatible with consoles, computers, laptops, and smartphones.
- Ergonomic and Comfortable Design: Features soft, adjustable earpads and headband for extended wear comfort.
- High Performance: Provides detailed sound capture, allowing users to accurately identify in-game audio cues.
- Versatile Use: Suitable for gaming, listening to music, watching movies, and participating in online meetings.
- Durable Construction: Built with a resistant structure and modern design for quality and longevity.

Image: KAPBOM KA-903 Gaming Headset showcasing RGB lighting and icons indicating compatibility with smartphones, computers, tablets, MP3/MP4 players, and video games.
3. Setup Instructions
3.1 Connecting to Devices
- For devices with a single 3.5mm audio jack (e.g., smartphones, PS4 controller, Xbox One controller with 3.5mm port):
Connect the headset's single 3.5mm P2 plug directly into the device's audio jack. The headset combines audio input and output into one plug.
- For PCs with separate audio and microphone jacks:
Use the included P2 female to dual P2 male adapter cable. Connect the headset's single 3.5mm P2 plug into the female end of the adapter. Then, plug the pink male connector of the adapter into your PC's microphone input (usually pink) and the green male connector into your PC's audio output (usually green).

Image: The KAPBOM KA-903 headset showing its P2 and USB connectors, along with the included Y-splitter adapter for PC connections.
- For RGB LED lighting:
Connect the headset's USB plug to any available USB port on your device (PC, console, or USB power adapter) to activate the RGB LED lighting.
3.2 Adjusting the Headset
- Headband Adjustment: Gently slide the headband to adjust its length until it comfortably fits your head.
- Microphone Positioning: The microphone is articulated and flexible. Adjust its position for optimal voice capture. It can rotate up to 160 degrees.

Image: Close-up of the KAPBOM KA-903 headset highlighting the soft earpads designed for comfort and the adjustable headband for a personalized fit.

Image: Diagram illustrating the 160-degree rotation capability of the KAPBOM KA-903 headset's microphone.
4. Operating Instructions
- Volume Control: Use the inline volume control wheel located on the cable to adjust the audio output level.
- Microphone Mute: The inline control also features a switch to mute or unmute the microphone. Slide the switch to the appropriate position as needed.
- Audio Output: Ensure your device's audio settings are configured to output sound through the connected headset.
- Microphone Input: For communication, verify that your device's input settings recognize the headset's microphone.

Image: The KAPBOM KA-903 headset highlighting the inline volume control, RGB lighting, 3.5mm plug, and unidirectional microphone.
Video: An overview of the KAPBOM KA-903 Gaming Headset, demonstrating its adjustable microphone, padded headband, foam and leatherette earcups, noise reduction, static LED illumination, 2-meter nylon-braided cable with inline volume control and mute function, 50mm speakers with 115dB sensitivity for high-quality bass, and compatibility with gaming consoles (PS4, Xbox One, Nintendo), smartphones, and notebooks. It also shows the included P2 adapter for PC connection.
5. Maintenance
- Cleaning: Use a soft, dry cloth to clean the headset. Do not use liquid cleaners or abrasive materials.
- Storage: Store the headset in a cool, dry place away from direct sunlight and extreme temperatures.
- Cable Care: Avoid sharp bends or excessive pulling on the cable to prevent damage.
- Earpad Longevity: Periodically check earpads for wear and tear. Replacement earpads may be available from the manufacturer or authorized retailers.
6. 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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7. Specifications
| Feature | Detail |
|---|---|
| Model Number | KA-903 |
| Color | Black |
| Headphone Form Factor | Over-Ear |
| Impedance | 10 Ohms |
| Connectivity Technology | Wired (3.5mm P2, USB for LED) |
| Noise Control | Adaptive Noise Cancellation (for microphone) |
| Cable Length | Approximately 2 meters (Nylon braided) |
| Included Components | 1x Wired Gaming Headset with Microphone, 1x P2 Y-Splitter Adapter |
| Origin | China |
8. Warranty and Support
This product comes with a 3-month warranty against manufacturing defects. Please retain your proof of purchase for warranty claims. For technical support or warranty inquiries, please contact your retailer or the point of purchase.
For further assistance, refer to the contact information provided by your seller.