Introduction
Welcome to your new Fosmon Gaming Headset A1755. This manual provides instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance and a clear audio experience.
Package Contents
- 1x Fosmon Gaming Headset
- 1x 3.5mm Jack Y-Cable (1-to-2 Cable)
- 1x User Manual (this document)
Setup and Connection
Follow these steps to connect your headset to your gaming console or computer.
Connecting to PS4 / PS5, New Xbox Series X/S, Nintendo Switch
The headset connects directly to the controller's 3.5mm audio jack.
- Plug the 3.5mm jack of the headset directly into the 3.5mm port on your console's controller.
- Adjust audio settings on your console as needed to ensure the headset is recognized for both audio output and microphone input.
Connecting to PC / Laptop / Mac
For computers with separate audio and microphone jacks, use the included 3.5mm Jack Y-Cable.
- Connect the headset's single 3.5mm jack to the female end of the included 3.5mm Jack Y-Cable.
- Plug the green-colored male end of the Y-cable into your computer's headphone jack (audio output).
- Plug the pink/red-colored male end of the Y-cable into your computer's microphone jack (audio input).
- Adjust sound settings in your operating system to select the headset as the default audio input and output device.
Connecting to Old Xbox One Controllers
Older Xbox One controllers without a built-in 3.5mm port require a Microsoft Stereo Headset Adapter (not included) to function.
- Connect the headset's 3.5mm jack to the Microsoft Stereo Headset Adapter.
- Attach the adapter to your Xbox One controller.
- Adjust audio settings on your Xbox One console as needed.
Connecting to Mobile Devices (iPad, Smartphone)
The headset can be connected directly to mobile devices with a 3.5mm audio jack.
- Plug the 3.5mm jack of the headset directly into the 3.5mm port on your mobile device.
- Ensure the device's audio settings are configured to use the headset.

This diagram illustrates the various compatibility options for the Fosmon Gaming Headset, including direct connection to consoles and mobile devices, and the use of the 3.5mm Y-cable for computers.
Operating the Headset
Audio Experience
The headset features 50mm drivers designed to deliver high-definition audio with enhanced bass for an immersive sound experience.

The 50mm drivers within the earcups are engineered to provide clear, high-definition audio with strong bass response.
Ergonomic Design and Comfort
The headset is designed with an ergonomic fit, featuring a self-adjusting headband and breathable earcups for extended comfort during use.

The headset's design includes a durable, adjustable headband and breathable earcups for comfortable wear during long gaming sessions.
Omnidirectional Microphone
The omnidirectional microphone offers flexibility, allowing you to adjust its position for optimal voice capture. This ensures clear communication with teammates without needing to raise your voice.

The flexible omnidirectional microphone can be adjusted to capture your voice clearly for effective communication.
Volume Control
The volume control is located on the headset for easy access. Rotate the dial to increase or decrease the audio volume.
Microphone Mute
A microphone mute switch is integrated into the headset, allowing you to quickly mute or unmute your microphone as needed.
Care and Maintenance
- Keep the headset clean by wiping it with a soft, dry cloth.
- Avoid exposing the headset to extreme temperatures, humidity, or direct sunlight.
- Do not attempt to disassemble the headset, as this may void the warranty.
- Store the headset in a safe place to prevent damage when not in use.
Troubleshooting
If you encounter issues with your headset, refer to the following common solutions.
No Sound or Low Volume
- Check Connections: Ensure the 3.5mm jack is fully inserted into the device. If using the Y-cable, confirm both audio and microphone jacks are correctly plugged into their respective ports on your computer.
- Volume Control: Verify the volume dial on the headset is turned up.
- Device Volume: Check the volume settings on your connected device (console, PC, mobile).
- Correct Output Device: On PC/Mac, ensure the headset is selected as the default audio output device in your sound settings.
Microphone Not Working
- Check Mute Switch: Ensure the microphone mute switch on the headset is not activated.
- Check Connections: For PC/Mac, confirm the microphone jack of the Y-cable is correctly plugged into the microphone input port.
- Device Settings: On your console or PC/Mac, verify the headset microphone is selected as the default input device and that its input volume is adequately set.
- Xbox One Adapter: If using an old Xbox One controller, ensure the Microsoft Stereo Headset Adapter is correctly installed and configured.
Static or Unclear Audio
- Check Connections: Ensure all connections are secure and free from debris.
- Interference: Move away from other electronic devices that might cause interference.
- Test on Another Device: Try the headset on a different device to determine if the issue is with the headset or the original device.
Product Specifications
| Feature | Detail |
|---|---|
| Brand | Fosmon |
| Model Number | A1755 |
| Color | Black, Blue |
| Ear Placement | Over Ear |
| Form Factor | Over Ear |
| Noise Control | Sound Isolation |
| Connectivity Technology | Wired |
| Headphone Jack | 3.5 mm Jack |
| Frequency Range | 20 Hz - 20 kHz |
| Additional Features | Omnidirectional Microphone |
| Material | Plastic |
| UPC | 849287094025 |
Warranty and Support
This Fosmon product comes with a Limited Lifetime Warranty. For detailed warranty information and customer support, please visit the official Fosmon website.
For further assistance, please contact Fosmon customer support.
Product Video Demonstration
Watch this official video for a visual guide on the features and usage of the Fosmon Gaming Headset.
This video provides an overview of the Fosmon Gaming Headset, highlighting its ergonomic design, clear audio, and omnidirectional microphone.





