1. Introduction and Overview
The MOSEN Digital Piano MDP-70 is an 88-key full-size weighted electronic keyboard designed for musicians of all skill levels. It offers a realistic piano playing experience with hammer action keys and a versatile sound engine.
- Realistic Feel: Features 88 full-size weighted keys with hammer action, replicating the tactile response of an acoustic piano.
- Diverse Sounds: Explore over 10 different sounds, including acoustic piano, electric piano, and more, along with 100 rhythms, 110 demo songs, and 128 tones.
- Enhanced Expression: Provides automatic finger chords, keyboard segmentation, dual tone functionality, and a metronome for precise timing.
- Complete Package: Includes a sturdy double X-stand, USB power adapter, and a 3-pedal unit (soft, sostenuto, sustain pedals) for a comprehensive playing experience.

2. Setup and Assembly
Follow these steps to correctly assemble your MOSEN Digital Piano MDP-70 and its accessories.
2.1 Unpacking and Component Identification
Carefully remove all components from the packaging. Ensure all items listed below are present:
- MOSEN Digital Piano MDP-70 Keyboard
- Double X-Stand (for keyboard support)
- Music Stand (detachable, for sheet music)
- 3-Pedal Unit (soft, sostenuto, sustain)
- USB Power Adapter
- Piano Key Stickers (for learning assistance)

2.2 Double X-Stand Assembly
Assemble the double X-stand according to the included instructions. Ensure all screws are tightened for stability. The keyboard will rest securely on top of the stand.
2.3 Music Stand Installation
The music stand is detachable. Locate the two slots on the top panel of the keyboard. Insert the music stand into these slots until it is firmly seated.

2.4 3-Pedal Unit Connection
Connect the 3-pedal unit cable to the designated pedal input port on the rear of the digital piano. Place the pedal unit on the floor in a comfortable position for playing.

2.5 Power Connection
Connect the USB power adapter to the power input port on the rear of the digital piano, then plug the adapter into a standard electrical outlet.
2.6 Key Sticker Application (Optional)
For beginners, piano key stickers are included to help identify notes. Carefully apply them to the keys as desired.

3. Operating the Digital Piano
The MOSEN Digital Piano MDP-70 offers a range of features to enhance your playing and learning experience.
3.1 Power On/Off and Volume Control
Press the Power button to turn the piano on or off. Adjust the Master Volume slider to control the overall sound output.
3.2 Voice Settings and Tones
The piano includes over 10 different voices and 128 tones. Use the dedicated buttons or menu on the display to select your desired instrument sound, such as acoustic piano, electric piano, organ, and more.

3.3 Rhythms and Demo Songs
Access 100 built-in rhythms and 110 demo songs to play along with or for inspiration. Use the Rhythm and Demo buttons to browse and select.
3.4 Touch Response (Hammer Action)
The 88 weighted keys feature hammer action, providing a realistic touch response similar to an acoustic piano. This allows for dynamic expression in your playing.

3.5 Metronome and Recording
Utilize the built-in metronome to practice with precise timing. The piano also features a recording function, allowing you to capture and review your performances.
3.6 Connectivity Options
The MDP-70 offers various connectivity options including MIDI USB for connecting to computers or other MIDI devices, and headphone jacks for silent practice.

3.7 Free Piano Lessons
The MOSEN Digital Piano includes access to free piano lessons, ideal for beginners to start their musical journey.

3.8 Official Product Video: Features Overview
4. Maintenance
Proper maintenance ensures the longevity and optimal performance of your digital piano.
- Cleaning: Use a soft, dry cloth to wipe down the keys and body of the piano. Avoid abrasive cleaners or solvents.
- Storage: Store the piano in a dry, dust-free environment. Avoid direct sunlight or extreme temperatures.
- Handling: Handle the piano with care. Avoid dropping it or placing heavy objects on the keys.
5. Troubleshooting
If you encounter any issues with your MOSEN Digital Piano, refer to the common problems and solutions below:
- No Sound: Ensure the power adapter is securely connected and the piano is turned on. Check the master volume level. If headphones are plugged in, unplug them to check speaker output.
- Keys Not Responding: Verify that the piano is powered on. If specific keys are not responding, contact customer service.
- Pedal Malfunction: Ensure the 3-pedal unit is securely connected to the correct port. If issues persist, contact customer service.
- Distorted Sound: Check the volume levels. If using external speakers or headphones, ensure they are properly connected and functioning.
6. Specifications
| Feature | Specification |
|---|---|
| Model Name | MDP-70 |
| Number of Keys | 88 |
| Key Type | Full-size Weighted, Hammer Action |
| Voice Settings | 10+ (Acoustic Piano, Electric Piano, etc.) |
| Tones | 128 |
| Rhythms | 100 |
| Demo Songs | 110 |
| Special Features | Built-In Speaker, Compact, Duo Mode, Metronome, Recording, Keyboard Segmentation, Dual Tone Functionality |
| Connectivity | MIDI USB, 3.5mm Headphone Jack, Audio In/Out |
| Power Source | Corded Electric |
| Item Weight | 36.9 pounds |
| Package Dimensions | 54.5 x 14.5 x 11 inches |
| Color | X-Black |
7. Warranty and Support
MOSEN MUSIC is committed to providing excellent customer service. If you encounter any problems after receiving or during the use of your digital piano, please contact our after-sales customer service team. We are available to assist you at any time.
For further assistance, please refer to the contact information provided in your purchase documentation or visit the official MOSEN MUSIC website.

