Introduction
Thank you for choosing the JOYO R-11 Baatsin Pure Analog Overdrive & Distortion Multi Effect Pedal. This pedal combines 8 classic overdrive and distortion sounds into a single, pure analog circuit, offering a versatile range of tones for guitarists. This manual provides essential information for setup, operation, and maintenance of your R-11 pedal and the included DC 9V 500mA power adapter.
Key Features
- 8-in-1 Overdrive & Distortion: Features 8 distinct classic overdrive and distortion sounds.
- Pure Analog Circuit: Delivers authentic and rich tonal characteristics.
- True Bypass Design: Minimizes tone loss and maintains signal integrity when the effect is disengaged.
- Compact and Durable: Housed in a robust metal casing for reliability.

Image: The JOYO R-11 Baatsin pedal in use, showcasing its compact design and the 'BAATSIN' branding.

Image: A detailed view of the R-11 pedal's control knobs and footswitch, emphasizing its optimal pure analog circuit and true bypass design.
Setup and Connections
Pedal Connection
- Connect your guitar to the INPUT jack on the R-11 pedal.
- Connect the OUTPUT jack of the R-11 pedal to your amplifier's input.
- Ensure all connections are secure before powering on the pedal or amplifier.

Image: Connection diagram illustrating the proper way to connect the R-11 pedal between a guitar and an amplifier, including the DC 9V power input.
Power Adapter
The JOYO R-11 pedal requires a DC 9V power supply with a center-negative polarity and a minimum current output of 30mA. The included DC 9V 500mA pedal power adapter is suitable for this purpose. Always use a compatible power adapter to prevent damage to the pedal.
- Input: 100-240V 50-60Hz
- Output: DC 9V 500mA
- Polarity: Center Negative
- Plug Size: 5.5mm outer diameter, 2.1mm inner diameter

Image: The included DC 9V 500mA power adapter, detailing its built-in protections for safe and reliable operation.

Image: Detailed view of the power adapter's specifications and the standard center-negative barrel plug, compatible with most brands of pedals.
Operation
Controls Overview
- VOL (Volume): Adjusts the overall output level of the effect.
- TONE: Controls the tonal character, from darker to brighter.
- GAIN: Adjusts the amount of overdrive or distortion.
- OD MOD (Overdrive Mode Selector): A rotary switch to select between the 8 different overdrive and distortion modes.
- ON/OFF Footswitch: Engages or bypasses the effect. The LED indicates whether the effect is active.
Overdrive & Distortion Modes
The R-11 Baatsin pedal offers 8 distinct modes, each providing a unique flavor of overdrive or distortion:
- B.BOOST: A clean boost with a slight edge.
- SWEETY: A smooth, warm overdrive.
- T.OD: Transparent overdrive, preserving your guitar's natural tone.
- OVERDRIVE: Classic, dynamic overdrive.
- CRUNCHY: A more aggressive, crunchy distortion.
- RIOTER: High-gain distortion with a powerful punch.
- O.C.DRIVE: Organic, tube-like overdrive.
- O.DIST: Open, full-bodied distortion.
Experiment with the VOL, TONE, and GAIN knobs in conjunction with the OD MOD selector to find your desired sound.
Technical Specifications
| Input Impedance | 470kΩ |
| Output Impedance | 470Ω |
| Working Voltage | DC 9V (center minus) |
| Rated Current Consumption | 30mA |
| Item Weight | 0.64 lb / 10.23 ounces |
| Dimensions (L x W x H) | 12.5cm x 7.85cm x 4.8cm (4.92in x 3.09in x 1.89in) |

Image: Detailed specifications and physical dimensions of the JOYO R-11 Baatsin pedal.
Maintenance
To ensure the longevity and optimal performance of your JOYO R-11 pedal:
- Clean the pedal regularly with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
- Store the pedal in a dry environment, away from extreme temperatures and direct sunlight.
- Disconnect the power adapter when the pedal is not in use for extended periods.
Troubleshooting
Noise Issues
If you experience unwanted noise, consider the following common causes and solutions:
- Poor Shielding: Ensure your electric guitar circuits are properly shielded.
- Grounding: Verify that your amplifier and pedal setup have proper grounding.
- Instrument Cables: Use high-quality, shielded instrument cables. Poor quality cables can introduce noise.
- Pickups: Some pickups, particularly single-coil pickups in high-gain settings, can naturally produce more noise.
- Power Supply: An unisolated or noisy power supply can be a significant source of hum. We recommend using an isolated power adapter, such as a JOYO isolated power supply, to minimize noise and ensure proper operation.
Always ensure the guitar is fully connected with the pedal and amplifier before playing to avoid unexpected noise.
Customer Support
Should you encounter any product issues or require further assistance, please contact JOYO customer support. Provide your order details when sending a message to facilitate a quicker resolution. We are committed to assisting you with any concerns.







