1. Introduction
The Donner DMK25 Pro MIDI Keyboard Controller is a compact and versatile tool designed for music production and creative expression. This manual provides essential information for setting up, operating, and maintaining your device, ensuring optimal performance and longevity.
Important Note: The DMK25 Pro MIDI keyboard does not produce sound on its own. It requires connection to a mobile phone or computer with Digital Audio Workstation (DAW) software for sound output and full functionality.
2. Safety Information
Please read and understand all safety instructions before using the Donner DMK25 Pro. Retain this manual for future reference.
- Do not expose the device to water, moisture, or extreme temperatures.
- Avoid placing the device near heat sources or in direct sunlight.
- Use only the specified power supply and cables.
- Do not attempt to disassemble or modify the device. Refer all servicing to qualified personnel.
- Keep out of reach of children.
3. Setup
3.1. Connecting Your DMK25 Pro
The DMK25 Pro offers flexible connectivity options for various devices.
- Connecting to a PC: Use the provided USB-A to USB-C cable to connect the controller directly to your computer.
- Connecting to Phone/iPad:
- If your Phone/iPad has a USB-C interface, use the included USB-A to USB-C cable and the provided USB-C adapter.
- If your Phone/iPad has a Lightning interface, you will need to purchase a separate OTG USB-A to Lightning cable.
- Connecting a Sustain Pedal: Connect a sustain pedal to the SUS Jack on the controller.

3.2. Software Installation (Melodics & Cubase LE)
The DMK25 Pro comes bundled with music production software and teaching courses. Follow these steps to download and install them:
- Check your ORDER ID: Access your Amazon account, go to "Account & Lists" > "Orders" to find your order ID.
- Claim your DAWs: Visit the official Donner Music website (donnermusic.com/daws) and click the "Claim" button.
- Enter details: Select "Amazon" as your platform, enter your order number, and email address. Submit the form.
- Copy your code: Copy the provided Melodics Promo Code and Cubase LE DAC code.
- Download Melodics: Go to the Melodics official website (melodics.com/partners/donner) and click "Download Melodics".
- Select instrument: Choose "Keyboard", "MIDI Drums", or "Pad Controller" as instructed by Melodics.
- Install Melodics: Start the download and install Melodics on your device.
- Connect & Login: Connect your DMK25 Pro to your device via USB. Open Melodics, enter a username or log in if you have an existing account.
- Map your controller: Follow the on-screen instructions to map your keyboard by hitting the first and last keys.
- Enter Promo Code: In the account creation/login screen, fill in the promo code you received from Donner.
- Download Cubase LE: For Cubase LE, visit steinberg.net/cubase. Download the Steinberg Download Assistant.
- Activate Cubase: Open the Download Assistant, sign in, and enter your Cubase LE DAC code to activate your license and download the software.
4. Operating Your DMK25 Pro
4.1. Key Features
- 25 Mini Keys: Velocity-sensitive keys provide expressive control.
- 8 Drum Pads: Velocity-sensitive pads for precise beat and sample playback.
- Personalized Touch Bar: Pitch/Mod touch mode with light scale for intuitive composition.
- Innovative Wheels: 4 wheels for visual control and comfort, custom mappable.
- OLED Display: High-definition screen displays real-time arpeggio, velocity, speed, and other functions.
- Dynamic Scale Mode: 16-scale tones for easy bass lines, melodies, and leads.
- Multi-Mode Control: Arpeggio, note repeat, and chord functions for creative music clip crafting.






4.2. Portability
The DMK25 Pro is designed to be small and lightweight, making it ideal for on-the-go music production. Its compact size allows you to easily carry it to studios, cafes, or any outdoor location to capture your inspiration whenever it strikes.

5. Maintenance
To ensure the longevity and optimal performance of your Donner DMK25 Pro, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe the surface of the controller. Avoid abrasive cleaners or solvents.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling: Handle the controller with care to prevent damage to keys, pads, and other components.
6. Troubleshooting
If you encounter issues with your Donner DMK25 Pro, refer to the following common problems and solutions:
- Device not recognized by computer/DAW:
- Ensure the USB-C cable is securely connected to both the controller and your device.
- Try a different USB port or cable.
- Restart your computer and the DMK25 Pro.
- Verify that the correct drivers are installed (if required by your operating system or DAW). For Cubase, ensure MIDI Port Setup is correctly configured as shown in the setup video.
- No sound output:
- Confirm the DMK25 Pro is connected to a DAW or sound application. It does not produce sound independently.
- Check your DAW's audio settings to ensure the correct output device is selected and volume levels are up.
- Verify that the instrument track in your DAW is armed for recording and receiving MIDI input from the DMK25 Pro.
- Pads or keys not responding correctly:
- Check the velocity curve settings on the device or within your DAW.
- Ensure the correct MIDI channel is selected on both the controller and the DAW.
7. Specifications
| Feature | Detail |
|---|---|
| Model Name | EC3360 |
| Item Weight | 2.53 pounds |
| Package Dimensions | 15.35 x 8.66 x 2.68 inches |
| Country of Origin | China |
| Color Name | Green |
| Compatible Devices | DAWs |
| Connector Type | USB Type C |
| Hardware Interface | USB Type C |
| Supported Software | Cubase, Live, Logic Pro, Protools, Studio One, Melodics |
| Musical Style | Electronic |
| Instrument Key | Any |
| Number of Keyboard Keys | 25 |
| Special Feature | Portable, Backlit Drum Pad, Digital Display, Velocity Sensitive Key, Lightweight |
8. Warranty and Support
Donner provides a warranty for its products. For specific warranty terms and conditions, please refer to the documentation included with your purchase or visit the official Donner website.
For technical support, troubleshooting assistance, or any inquiries regarding your DMK25 Pro, please contact Donner customer service through their official website or the contact information provided in your product packaging.
Donner Official Website: www.donnermusic.com





