KORG KROSS261MB
KORG KROSS 2-61 Synthesizer Workstation User Manual
Model: KROSS261MB
Introduction
The KORG KROSS 2-61 is a versatile 61-key synthesizer workstation designed for musicians of all levels. Featuring a synth-action keybed, an advanced EDS-i sound engine, and integrated step and MIDI sequencers, it offers a wide range of sounds and creative possibilities. Its compact and lightweight design makes it ideal for both studio and live performance environments. This manual provides essential information for setting up, operating, and maintaining your KROSS 2-61.

Figure 1: Front view of the Korg KROSS 2-61 Synthesizer Workstation.
Setup
Follow these steps to set up your KORG KROSS 2-61:
- Unpacking: Carefully remove the KROSS 2-61 from its packaging. Ensure all included components, such as the power adapter and any documentation, are present.
Included Components: keyboard
- Power Connection: Connect the provided power adapter to the DC IN jack on the rear panel of the KROSS 2-61. Plug the adapter into a suitable power outlet.
Power Source: Corded Electric
- Audio Output: Connect the AUDIO OUT jacks to your amplifier, mixer, or headphones using appropriate cables. For stereo sound, use both L/MONO and R jacks.

Figure 2: Rear panel connections, including audio outputs and USB port.
- USB Connection (Optional): For MIDI communication with a computer or for using the KROSS2 Editor software, connect a USB cable from the KROSS 2-61's USB port to your computer.
Connector Type: USB

Figure 3: The KROSS Editor application can be used for detailed sound editing via USB connection.
- Microphone/Line Input (Optional): The KROSS 2-61 features dedicated Mic/Line inputs, allowing you to connect a microphone or external audio source directly. This is useful for vocal processing or sampling.
Mic/Line Inputs - Black
Operating Instructions
The KROSS 2-61 offers a comprehensive set of features for music creation and performance:
Sound Engine and Programs
The KROSS 2-61 utilizes the EDS-i (Enhanced Definition Synthesis - integrated) sound engine, providing a vast library of high-quality sounds. Use the CATEGORY dial to quickly browse through different instrument types like Piano, Organ, Brass, and more. The VALUE dial allows you to select specific programs within each category.

Figure 4: Navigate sounds using the Category and Value dials, displayed on the screen.
Realtime Controls
Adjust sound parameters in real-time using the dedicated knobs and switches. These controls allow for dynamic manipulation of sounds during performance or composition.

Figure 5: Realtime control knobs for expressive sound modification.
Step and MIDI Sequencers
The KROSS 2-61 includes built-in step and MIDI sequencers for creating and arranging musical phrases. Use the dedicated pads for intuitive step sequencing and drum track creation.

Figure 6: The pads can be used for step sequencing and triggering sounds.
Audio Recorder
Record your performances directly to an SD card using the integrated audio recorder. This feature allows you to capture your musical ideas without needing external recording equipment.
Audio Recorder functionality is built-in.
Maintenance
To ensure the longevity and optimal performance of your KORG KROSS 2-61:
- Cleaning: Use a soft, dry cloth to wipe down the surface of the instrument. Avoid abrasive cleaners or solvents.
- Storage: Store the KROSS 2-61 in a cool, dry place away from direct sunlight, extreme temperatures, and excessive humidity.
- Transportation: When transporting the instrument, use a padded gig bag or hard case to protect it from physical damage.
- Power Off: Always power off the instrument using the designated power switch before disconnecting it from the power source or making any cable changes.
Troubleshooting
If you encounter issues with your KROSS 2-61, consider the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No Sound Output | Volume too low, incorrect cable connections, external amplifier off. | Check the master volume knob, ensure audio cables are securely connected to the correct output jacks and amplifier, and verify the amplifier is powered on. |
| Keys Not Responding | Incorrect mode selected, MIDI settings issue. | Ensure the instrument is in Program or Combi mode. If connected via MIDI, check MIDI channel settings. |
| Display Not Working | Power issue, internal malfunction. | Verify power connection. If the problem persists after restarting, contact KORG support. |
Specifications
- Model Name: KROSS261MB
- Number of Keyboard Keys: 61
- Keybed Type: Synth-action
- Sound Engine: EDS-i (Enhanced Definition Synthesis - integrated)
- Item Weight: 8.36 pounds (3.8 Kilograms)
- Product Dimensions: 10.59 x 3.46 x 36.81 inches
- Body Material: Alloy Steel
- Connector Type: USB
- Power Source: Corded Electric
- Proficiency Level: All
- Manufacturer: Korg
Warranty and Support
For warranty information and technical support, please refer to the official KORG website or contact your local KORG distributor. Keep your proof of purchase for warranty claims.
Visit the KORG Store on Amazon for additional products and resources.
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