Introduction
The DOBLE S1 PRO V3 is an advanced acoustic guitar pickup system designed to enhance your instrument's sound with built-in effects and amplification capabilities. This system integrates magnetic pickups and preamplifiers, allowing for the addition of reverb, chorus, and delay effects directly through a vibration speaker. It features a convenient USB-rechargeable lithium battery for portable use.
Product Features
- Magnetic Pickup System for Acoustic Guitars
- Integrated Preamplifier
- Built-in Effects: Reverb (Room, Hall), Chorus, and Delay
- Phase Function for feedback control
- Internal Vibration Speaker for direct sound enhancement
- USB Rechargeable Lithium Battery
Package Contents
Please ensure all items are present upon unboxing:
- DOBLE S1 PRO V3 Acoustic Guitar Pickup Unit
- USB Charging Cable
- (Additional mounting hardware or instructions may be included depending on the specific package variant.)
Setup and Installation
The S1 PRO V3 pickup is designed for installation within the soundhole of an acoustic guitar. Professional installation is recommended to ensure proper fit and optimal sound performance.
- Prepare the Guitar: Ensure the guitar's strings are loosened or removed to allow access to the soundhole.
- Position the Pickup: Carefully insert the pickup unit into the soundhole. The unit typically mounts to the edge of the soundhole using a clamping mechanism. Ensure the controls face outwards for easy access.
- Secure the Pickup: Tighten the mounting screws or clamps gently until the pickup is firmly secured without damaging the guitar's finish.
- Route Cables: If external output is desired, route the output cable (not included, if applicable) from the pickup to the guitar's endpin jack or external amplifier.
- Restring and Tune: Once the pickup is securely installed, restring and tune your guitar.


Operating Instructions
Familiarize yourself with the control panel to utilize the full capabilities of your S1 PRO V3 pickup.

Controls Overview:
- TONE Control: Adjusts the tonal characteristics of the pickup output. Turn clockwise for brighter tones, counter-clockwise for warmer tones.
- VOLUME Control: Adjusts the overall output volume of the pickup. This knob also functions as an SFT & DSP switch (specific operation details may vary, refer to advanced settings if available).
- MIC Level Control: Adjusts the input level of the internal microphone, if present and active.
- Reverb Selection & Level (Room/Hall): This knob allows you to select between 'Room' and 'Hall' reverb types and adjust their intensity.
- Effect Selection & Level (Chorus/Delay): This knob allows you to select between 'Chorus' and 'Delay' effects and adjust their intensity.
- Indicator: An LED display or light indicating status, such as power, charging, or effect activation.
Activating Effects:
To activate and adjust effects, rotate the respective effect knobs (Reverb, Chorus/Delay) to your desired level. The indicator may show which effect is active or its intensity.
Phase Function:
The S1 PRO V3 includes a phase function, typically activated by a dedicated button or a push/pull action on one of the knobs (often the Volume knob). This function helps to reduce feedback, especially in live performance settings, by inverting the phase of the signal.
Charging the Battery
The DOBLE S1 PRO V3 features a built-in rechargeable lithium battery. To charge the unit:
- Locate the Type C USB charging port on the pickup unit (refer to the control diagram).
- Connect the provided USB charging cable to the pickup's Type C port.
- Connect the other end of the USB charging cable to a standard USB power adapter (e.g., a phone charger) or a powered USB port on a computer.
- The indicator light on the pickup will typically show the charging status (e.g., solid light for charging, off or different color for fully charged).
- Once fully charged, disconnect the charging cable.
Note: Use only the provided charging cable or a compatible Type C USB cable. Avoid using damaged cables or chargers.

Maintenance
- Cleaning: Use a soft, dry cloth to clean the pickup unit. Do not use abrasive cleaners or solvents.
- Storage: When not in use for extended periods, store the guitar with the pickup in a cool, dry place.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the unit regularly, even if not in constant use.
- Avoid Moisture: Keep the unit away from water and excessive humidity.
Troubleshooting
- No Sound Output:
- Ensure the pickup is properly installed and secured.
- Check the VOLUME control and ensure it is turned up.
- Verify the battery is charged.
- If using an external amplifier, check all cable connections and amplifier settings.
- Effects Not Working:
- Ensure the effect knobs (Reverb, Chorus/Delay) are turned up.
- Check battery level.
- Feedback Issues:
- Activate the Phase function.
- Reduce the VOLUME or MIC level.
- Adjust your position relative to the amplifier or speakers.
- Charging Problems:
- Ensure the USB cable is securely connected to both the pickup and the power source.
- Try a different USB port or power adapter.
- Check if the charging cable is damaged.
Specifications
| Model: | S1 PRO V3 |
| Item Weight: | 560 g |
| Package Dimensions: | 21.8 x 17.7 x 11.5 cm |
| Color: | Black |
| Battery Type: | Lithium (Rechargeable) |
| ASIN: | B0B1H6MZBC |
Safety Information
- Do not attempt to disassemble or modify the unit. This may void the warranty and cause damage.
- Keep out of reach of children.
- Avoid extreme temperatures and direct sunlight.
- Dispose of the battery according to local regulations. Do not incinerate.
Warranty and Support
For warranty information and technical support, please refer to the documentation provided with your purchase or contact your retailer. Keep your proof of purchase for any warranty claims.





