1. Introduction
Thank you for choosing the Rowin Twin Looper Station Electric Guitar Effect Pedal (Model LTL-02). This device is designed to enhance your musical creativity by allowing you to record, playback, and overdub guitar loops with ease. Featuring dual channel control, adjustable playback speed, and USB connectivity for loop management, the LTL-02 offers versatile looping capabilities in a compact, durable metal casing. Please read this manual carefully to ensure proper operation and to fully utilize all features of your new looper pedal.
2. Safety Information
- Use only a DC 9V power adapter with center negative polarity. Incorrect power supply may damage the unit.
- Do not expose the unit to rain, moisture, or extreme temperatures.
- Avoid dropping or subjecting the unit to strong impacts.
- Do not attempt to disassemble or repair the unit yourself. Refer all servicing to qualified personnel.
- Keep out of reach of children.
3. Product Overview
Familiarize yourself with the controls and connections of your Twin Looper Station:

Figure 1: Front Panel Controls and Connections
| No. | Component | Description |
|---|---|---|
| 1 | USB Jack | Connects to a computer for importing/exporting recordings. |
| 2 | Power Adapter Jack (DC 9V) | Connects to a DC 9V power supply (center negative). |
| 3 | Left Level Knob | Adjusts the output volume of the left channel. |
| 4 | Right Level Knob | Adjusts the output volume of the right channel. |
| 5 | Speed Knob | Controls the playback speed of the loop (Fast, Normal, Slow). |
| 6 | Toggle Switches (CHANGE, FORWARD, REVERSE) | Selects loop playback direction and channel change. |
| 7 | Toggle Switches (STOP, FX) | Selects stop function or FX mode. |
| 8 | Looper Footswitch | Activates/deactivates looper functions (REC, PLAY, OVERDUB). LED indicates status. |
| 9 | FX Footswitch | Activates/deactivates FX functions. |
| 10 | LEFT IN Jack | Left channel audio input. |
| 11 | LEFT OUT Jack | Left channel audio output. |
| 12 | RIGHT IN Jack | Right channel audio input. |
| 13 | RIGHT OUT Jack | Right channel audio output. |
4. Setup
Follow these steps to connect your Twin Looper Station:
- Power Connection: Connect a DC 9V power adapter (center negative) to the Power Adapter Jack (2).
- Audio Input: Connect your guitar or other audio source to the LEFT IN Jack (10) for mono operation, or to both LEFT IN (10) and RIGHT IN (12) Jacks for stereo input.
- Audio Output: Connect the LEFT OUT Jack (11) to your amplifier or audio interface for mono output, or both LEFT OUT (11) and RIGHT OUT (13) Jacks for stereo output.
- USB Connection (Optional): For managing recorded loops, connect the USB Jack (1) to your computer using the provided USB cable.

Figure 2: USB Connection and Included Accessories
5. Operating Instructions
The Twin Looper Station offers intuitive control over your loops. The Looper Footswitch (8) is central to recording and playback.
5.1 Basic Looping Functions
- Record (REC): Press the Looper Footswitch (8) once to start recording. The LED will indicate recording status. The pedal supports up to 10 minutes of recording time.
- Play: Press the Looper Footswitch (8) again to stop recording and immediately start playback of your recorded loop. The LED will indicate playback status.
- Overdub: While a loop is playing, press the Looper Footswitch (8) once to start overdubbing. You can add new layers to your existing loop. The LED will indicate overdubbing status. The pedal supports unlimited overdubs.
- Stop: Double-press the Looper Footswitch (8) to stop playback or overdubbing.
- Undo/Redo: Press and hold the Looper Footswitch (8) for 2 seconds to undo the last overdub. Press and hold again for 2 seconds to redo the undone overdub.
- Clear Loop: To clear the current loop, double-press and hold the Looper Footswitch (8) for 2 seconds.
5.2 Playback Control
- Level Adjustment: Use the Left Level Knob (3) and Right Level Knob (4) to individually adjust the output volume of the left and right channels.
- Speed Control: Turn the Speed Knob (5) to adjust the playback speed of your loop. Options include Fast, Normal, and Slow.
- Direction & Channel Change: Use the Toggle Switches (6) to change the playback direction (Forward/Reverse) or to switch between channels (CHANGE). Note that recording functions are disabled in reverse play mode.
5.3 FX Functions
- Activate/Deactivate FX: Use the FX Footswitch (9) to engage or disengage any built-in effects or to control external effects connected via the FX loop (if applicable). The Toggle Switches (7) can be used to select specific FX modes or stop functions.
5.4 Loop Management (USB)
Connect the pedal to your computer via the USB Jack (1) to import and export your recorded loops. Refer to the Rowin website or included software for detailed instructions on managing your loop files.
Video 1: Quickly master the use of Twin Looper. This video provides a quick guide to the pedal's core looping functionalities.
Video 2: Rowin LTL-02 Twin Looper Guitar Effects Pedal Review. This video demonstrates the pedal's features and sound in a review format.
6. Specifications
| Feature | Detail |
|---|---|
| Model Number | LTL-02 |
| Dimensions | 4.57 x 3.54 x 1.38 inches |
| Item Weight | 0.01 Ounces |
| Power Source | Electric |
| Voltage | 9 Volts |
| Connector Type | USB |
| Hardware Interface | USB |
| Signal Format | Analog |
| Loop Recording Time | Up to 10 minutes |
| Overdubs | Unlimited |
7. Troubleshooting
- No Sound: Ensure all cables are securely connected and the power adapter is functioning correctly. Check the volume levels on the pedal and your amplifier.
- Poor Sound Quality: Verify that the correct power adapter is being used (DC 9V, center negative). Check for damaged cables or interference from other electronic devices.
- Loop Not Recording/Playing: Ensure the Looper Footswitch (8) is pressed correctly for REC/PLAY/OVERDUB functions. Check the LED indicators for current status.
- USB Connection Issues: Try a different USB port or cable. Ensure any necessary drivers or software are installed on your computer.
8. Maintenance
- Clean the unit with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Store the pedal in a dry, cool place away from direct sunlight when not in use.
- Disconnect the power adapter when the unit is not in use for extended periods.
9. Warranty and Support
For warranty information and technical support, please refer to the documentation included with your purchase or visit the official Rowin website. Keep your proof of purchase for any warranty claims.





