1. Introduction
The Skysonic FS-1 is an advanced wireless dual pickup system designed for acoustic guitars. It combines a sound hole pickup with an internal microphone to capture a rich, natural sound, and transmits it wirelessly to a receiver unit. This system offers a "free hole" installation, meaning no permanent modifications or drilling are required for your instrument.

Image: Skysonic FS-1 main unit (transmitter) showing Master and Mic volume controls, Phase switch, Catch button, Power button, Wireless Transmitter indicator, and Micro USB port.
2. Features
- Wireless Transmission: Enjoy freedom of movement without cables.
- Dual Pickup System: Combines a sound hole pickup and an internal microphone for versatile sound capture.
- Free Hole Installation: Easy, non-invasive installation without drilling.
- Independent Volume Controls: Separate Master volume and Microphone volume adjustments.
- Phase Switch: Helps to eliminate feedback.
- Rechargeable Batteries: Built-in rechargeable batteries for both transmitter and receiver.
- Micro USB Charging: Convenient charging via standard Micro USB ports.
3. Package Contents
Please check the package carefully to ensure all items are present:
- 1 x Skysonic FS-1 Main Unit (Transmitter)
- 1 x Wireless Receiver (SW-R01)
- 2 x Micro USB Charging Cables
- 1 x User Manual (this document)

Image: Contents of the Skysonic FS-1 package, including the main unit, receiver, and charging cables.
4. Specifications
| Attribute | Value |
|---|---|
| Brand Name | Skysonic |
| Model Number | Skysonic Wireless Pickup Fs-1 |
| Type | Pickup |
| Origin | Mainland China |
| Batteries Included | Yes |
| Plug Type | None (for main unit) |
| Product Weight | 200g |
| Package Dimensions (L x W x H) | 22cm x 15cm x 8cm |
| Package Weight | 0.75kg |
5. Setup Guide
- Charge the Units: Before first use, fully charge both the FS-1 main unit (transmitter) and the wireless receiver using the provided Micro USB cables. Connect them to a standard USB power adapter (not included). The charging indicator lights will show charging status.
- Install the Transmitter: Carefully mount the FS-1 main unit into the sound hole of your acoustic guitar. The unit is designed for "free hole" installation, clamping securely without requiring permanent modification. Ensure it is firmly seated and does not obstruct string movement.

Image: Skysonic FS-1 main unit showing its design for soundhole installation.
- Connect the Receiver: Plug the wireless receiver (SW-R01) into the input jack of your amplifier, mixer, or audio interface.
- Power On: Press and hold the Power button on both the FS-1 main unit and the wireless receiver until their respective indicator lights illuminate.
- Pairing: The transmitter and receiver should automatically pair. Look for a stable "Wireless Transmitter" indicator light on the main unit and a corresponding signal indicator on the receiver to confirm a successful connection. If they do not pair automatically, refer to the troubleshooting section.
6. Operating Instructions
- Master Volume: Use the "Master" knob on the FS-1 main unit to control the overall output volume of the pickup system.
- Microphone Volume: Use the "Mic" knob to adjust the volume of the internal microphone. This allows you to blend the sound hole pickup with the microphone for a desired tonal balance.
- Phase Switch: The "Phase" button allows you to invert the phase of the signal. This can be useful for reducing feedback, especially in live performance settings, or for achieving a fuller sound when combined with other pickups or microphones. Experiment with this setting to find what works best for your environment.
- Catch Button: The "Catch" button's specific function is not detailed in the provided information. It is typically used for specific tonal adjustments or effects. Please refer to additional product documentation or manufacturer's website for more details if needed.
- Wireless Indicators: Monitor the "Wireless Transmitter" indicator lights on both units to ensure a stable connection and sufficient battery life.
7. Maintenance
- Cleaning: Wipe the units with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Battery Care: To prolong battery life, avoid fully discharging the units frequently. Recharge them regularly, even if not in constant use. Store in a cool, dry place.
- Storage: When not in use for extended periods, remove the main unit from the guitar sound hole and store both units in a protective case to prevent damage.
8. Troubleshooting
- No Sound Output:
- Ensure both the transmitter and receiver are powered on.
- Check that both units are fully charged.
- Verify that the receiver is correctly plugged into your amplifier/mixer.
- Confirm that the Master volume on the FS-1 is turned up.
- Check for a stable wireless connection (indicator lights). If not connected, try powering both units off and on again to re-establish pairing.
- Feedback or Unwanted Noise:
- Try pressing the "Phase" switch to invert the signal phase.
- Reduce the "Mic" volume, as the internal microphone can be more prone to feedback in loud environments.
- Adjust your position relative to the amplifier.
- Intermittent Signal:
- Ensure the transmitter and receiver are within effective range.
- Check for potential interference from other wireless devices operating on similar frequencies.
- Ensure both units are fully charged.
9. User Tips
- Latency: The Skysonic FS-1 system is designed for minimal latency, providing a responsive playing experience.
- Sound Blending: Experiment with the "Master" and "Mic" volume controls to find the perfect blend between the sound hole pickup and the internal microphone for your desired tone.
- Feedback Control: Utilize the "Phase" switch and microphone volume adjustments to effectively manage feedback in various acoustic environments.
10. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official Skysonic website or contact your authorized dealer. Keep your proof of purchase for any warranty claims.