Kotion Each S2
Kotion Each S2 USB 7.1 Surround Sound Card User Manual
Model: S2
Introduction
The Kotion Each S2 USB 7.1 Surround Sound Card is an external audio device designed to enhance your audio experience across various platforms. It provides HIFI 3D surround sound and is compatible with a wide range of audio peripherals, including earphones, microphones, gaming headsets, and USB storage devices. This manual provides detailed instructions for setup, operation, and maintenance of your S2 sound card.
Product Overview
The Kotion Each S2 features a compact design with multiple ports for versatile connectivity. It is built with a durable, noise-reduction braided wire and a noise-cancelling magnetic ring to ensure optimal audio quality.

Figure 1: Kotion Each S2 USB 7.1 Surround Sound Card. This image shows the circular main unit with its blue illuminated logo and the attached USB cable with a magnetic ring.
Key Features:
- HIFI 3D Surround Sound: Delivers immersive audio for gaming, movies, and music.
- Wide Compatibility: Supports Windows, Mac OS, Linux, and Android (OTG compatible, Android 5 and above).
- Multiple Ports: Includes 2 USB hubs, 2 x 3.5mm audio jacks, and 1 x 3.5mm microphone jack.
- Noise Cancelling Design: Features a heavy-duty, noise-reduction braided wire and a noise-cancelling magnetic ring.
- Plug and Play: No drivers required for instant audio playback.

Figure 2: Port identification on the S2 Sound Card. This diagram labels the two USB Hubs, two 3.5mm Jacks, and one 3.5mm Mic port on the circular unit, along with the Noise Reduction Magnetic Ring on the cable.
Setup Instructions
The Kotion Each S2 is designed for plug-and-play functionality, requiring no additional drivers for most operating systems.
- Connect to Device: Plug the USB connector of the S2 Sound Card into an available USB 2.0 or 3.0 port on your computer (PC, laptop), gaming console (PS4, PS4 Slim, PS4 Pro, Xbox One, Xbox One S), or Android device (with OTG support, Android 5 and above).

Figure 3: Connecting the S2 Sound Card to a laptop or desktop computer. The image shows the 1.2m cable connecting the sound card to a laptop and a desktop PC.
- Connect Audio Peripherals:
- For headphones/speakers: Plug your 3.5mm audio jack into one of the 3.5mm audio output ports on the S2.
- For microphones: Plug your 3.5mm microphone jack into the dedicated 3.5mm mic input port.
- For USB devices: Use the integrated USB hubs to connect other USB peripherals like USB disks or additional accessories.

Figure 4: S2 Sound Card connected to a laptop with a headset and a USB device. This image demonstrates the sound card actively connected and in use.
- System Recognition: Your operating system should automatically detect the S2 Sound Card as an audio device. You may need to select it as the default playback and recording device in your system's sound settings.
Operating Instructions
Once connected, the S2 Sound Card functions as your primary audio interface. Adjust volume and other settings through your connected device's operating system.
Using with Windows/Linux/Mac OS:
- After plugging in, navigate to your system's Sound Settings (e.g., Control Panel > Sound on Windows, System Preferences > Sound on Mac).
- Select "USB Audio Device" or similar (the name may vary) as your default Playback and Recording device.
- Adjust volume levels and other audio enhancements as desired through your system's sound mixer.
Using with Android Devices (OTG):
- Ensure your Android device supports USB OTG (On-The-Go) and is running Android 5 or above.
- Connect the S2 Sound Card to your Android device using an OTG adapter (not included).
- The device should automatically recognize the sound card. Audio output will be routed through the S2.
Using with Gaming Consoles (PS4/Xbox One):
- Plug the S2 Sound Card into an available USB port on your console.
- Connect your headset or speakers to the S2.
- Navigate to your console's audio settings and select the USB audio device for output and input. For PS4, you might need to select "USB Headset (USB Audio Device)" under Sound and Screen > Audio Output Settings > Output Device.
Compatibility
The Kotion Each S2 USB 7.1 Surround Sound Card offers broad compatibility:

Figure 5: Overview of compatible devices. This image displays various devices such as PS4, Xbox One, laptops, and desktop computers, along with peripherals like headsets, earphones, loudspeaker boxes, and microphones, all compatible with the S2 sound card.
- Operating Systems: Windows XP, 7, 8, 8.1, 10, Vista, Mac OS, Linux. Backwards compatible with USB 1.1.
- Gaming Consoles: PS4, PS4 Slim, PS4 Pro, Xbox One, Xbox One S.
- Mobile Devices: Android Phones and Tablets using OTG (Android 5 and above).
- Peripherals: Compatible with most earphones, microphones, gaming headsets, and USB storage devices.
Maintenance
To ensure the longevity and optimal performance of your Kotion Each S2 Sound Card, follow these simple maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe the surface of the device. Avoid using liquid cleaners or abrasive materials.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Cable Care: Do not bend or crimp the cable excessively. The braided wire is designed for durability, but proper handling will extend its life.
- Port Protection: Keep the ports free from dust and debris. You may use compressed air to gently clean the ports if necessary.

Figure 6: Durable design elements. This image highlights the robust braided cable and the noise reduction magnetic ring, emphasizing the product's durable construction.
Troubleshooting
If you encounter issues with your Kotion Each S2 Sound Card, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound output. |
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| Microphone not working. |
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| Sound quality is poor or distorted. |
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| Device not recognized. |
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Specifications
| Feature | Detail |
|---|---|
| Model Number | S2 |
| Brand | Kotion Each |
| Connectivity | USB 2.0 (backwards compatible with USB 1.1) |
| Audio Output | 7.1 Surround Sound, HIFI 3D Sound |
| Ports | 2 x USB Hubs, 2 x 3.5mm Audio Jacks, 1 x 3.5mm Mic Jack |
| Cable Length | Approximately 1.2 meters |
| Noise Reduction | Braided wire, Noise-cancelling magnetic ring |
| Dimensions (Package) | 11 x 9.8 x 2.6 cm |
| Item Weight | 100 g |
Warranty and Support
The Kotion Each S2 USB 7.1 Surround Sound Card comes with a 1-Year Warranty from the manufacturer.
For technical support, warranty claims, or further assistance, please contact your retailer or the manufacturer directly. Please retain your proof of purchase for warranty validation.
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