Product Overview
The Sondery Looper Pedal is a compact and versatile effects unit designed for musicians to create and manage multiple audio loops. It features three independent saving slots, each capable of storing up to 30 minutes of looping time, allowing for extensive creative possibilities.
- 3 saving slots, each up to 30 minutes looping time.
- Single footswitch control for Record/Play/Overdub/Stop/Clear.
- Color LED indicators for loop modes.
- USB connectivity for WAV file import/export.
- True bypass hardware switching.
- Durable aluminum alloy construction.

Top view of the Sondery Looper Pedal, showcasing its compact design and primary controls including the Level knob, Track selector switch, Looper/Save button, and footswitch.
Setup
Power Requirements
The Sondery Looper Pedal requires a 9V DC power adapter (not included). It is crucial to use an adapter with a center-negative polarity and a minimum of 500mA current. Using an incorrect power supply can damage the pedal. This pedal does not operate on batteries.

A notice highlighting the specific power requirements: 9V DC, center negative, and 500mA current. It also states that the power supply is not included and the product does not have a battery compartment.
Connections
Connect your instrument to the "IN" jack and your amplifier or next pedal in the signal chain to the "OUT" jack. Ensure all connections are secure before powering on the device.

Side view of the Sondery Looper Pedal with input and output cables connected, illustrating the typical setup for integration into a guitar rig.

An annotated diagram of the looper pedal, detailing the function of each numbered component for easy identification and understanding of its layout.
Operating Instructions
Basic Looping Functions
The pedal features a single footswitch for most operations, indicated by color LEDs for different modes:
- Record: Press the footswitch once to start recording. The LED will turn red.
- Play: Press the footswitch again to stop recording and start playback. The LED will turn green.
- Overdub: While playing, press the footswitch once to begin overdubbing. The LED will turn red/green (blinking or alternating).
- Stop: While playing or overdubbing, double-press the footswitch to stop playback. The LED will turn green (solid).
- Clear: While stopped, press and hold the footswitch for 2 seconds to clear the current loop. The LED will flash rapidly.
This video demonstrates the basic loop recording, playback, and overdubbing functions of the Sondery Looper Pedal, showcasing the intuitive single-footswitch operation and LED indicators.
Track Selection and Saving
The pedal offers 3 independent tracks. Use the top toggle switch to select between Track 1, Track 2, and Track 3. Each track can store up to 30 minutes of audio.
- Select Track: Toggle the switch to the desired track position (1, 2, or 3).
- Save Loop: After recording a loop, press the "SAVE" button to permanently store the audio on the currently selected track. The LED will flash to confirm saving.

Close-up view of the looper pedal highlighting the three-position toggle switch used to select between different loop tracks.
Level Control
The "LEVEL" knob adjusts the playback volume of your recorded loops. Turn clockwise to increase volume, counter-clockwise to decrease.

A detailed shot of the looper pedal, emphasizing the prominent Level knob which controls the output volume of the looped audio.
USB Connectivity
The MicroUSB port on the side of the pedal allows for easy transfer of WAV audio files to and from your computer. No special drivers are needed.
- Upload: Connect the pedal to your PC via USB. The pedal will appear as a mass storage device. Drag and drop WAV files into the desired track folder.
- Download: Copy WAV files from the track folders on the pedal to your computer.

A close-up of the side of the looper pedal, clearly showing the MicroUSB port for data transfer.
Maintenance
To ensure the longevity and optimal performance of your Sondery Looper Pedal, follow these guidelines:
- Cleaning: Use a soft, dry cloth to clean the pedal's surface. Avoid abrasive cleaners or solvents.
- Storage: Store the pedal in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling: The pedal is constructed from durable aluminum alloy, but avoid dropping it or subjecting it to excessive force.
- Power: Always disconnect the power supply when the pedal is not in use for extended periods.
Troubleshooting
No Power / Pedal Not Turning On
- Ensure you are using a 9V DC power adapter with center-negative polarity.
- Verify the power adapter provides at least 500mA current.
- Check all cable connections for looseness or damage.
No Sound / Unexpected Sound
- Confirm all input and output cables are correctly connected and fully inserted.
- Check the "LEVEL" knob and ensure it is not set to minimum.
- Verify your instrument and amplifier are functioning correctly.
- The pedal features true bypass, meaning it should pass signal even when off. If no signal passes when off, check connections.
Loop Not Saving
- Ensure you press the "SAVE" button after recording your loop.
- Check if the selected track has available memory.
Specifications
| Feature | Detail |
|---|---|
| Model Number | Looper SLR-9 |
| Item Weight | 6.7 ounces (0.19 Kilograms) |
| Product Dimensions | 3.7 x 1.9 x 1.66 inches (94 x 42 x 48 mm) |
| Power Source | Corded Electric (9V DC, Center Negative, 500mA minimum) |
| Signal Format | Analog |
| Hardware Interface | USB |
| Looping Time | Up to 30 minutes per track (3 tracks total) |
| Overdubs | Unlimited |
| Bypass Type | True Bypass |
| Material | Aluminum Alloy |
| Country of Origin | China |
Warranty & Support
Sondery products are designed for durability and performance. For any questions, technical assistance, or warranty inquiries, please refer to the official Sondery Music website or contact their customer support directly. Keep your proof of purchase for warranty claims.