Introduction
This manual provides essential information for the proper setup, operation, and maintenance of your MOSEN MDP-88N Digital Piano. Please read this manual thoroughly before using the instrument to ensure optimal performance and longevity.

Figure 1: MOSEN MDP-88N Digital Piano Overview
The MOSEN MDP-88N is an 88-key digital piano designed to replicate the feel and sound of an acoustic grand piano, featuring weighted keys and a stylish wooden finish.
Package Contents
Verify that all items listed below are included in your package:
- MOSEN MDP-88N Digital Piano Unit
- Detachable Music Stand
- Triple Pedal Unit
- Power Adapter
- Assembly Tools (screws, screwdriver)
- Piano Key Stickers (for learning)
- User Manual (this document)

Figure 2: Contents as packaged for delivery.
The digital piano and its accessories are securely packed to prevent damage during transit. Ensure all components are present before proceeding with assembly.
Setup
1. Attaching the Legs
- Carefully place the piano unit upside down on a soft, flat surface to prevent scratches.
- Align each of the four wooden legs with the designated screw holes on the underside of the piano.
- Using the provided screws and screwdriver, securely fasten each leg. Ensure they are tightened firmly but do not overtighten.
- With assistance, carefully flip the piano upright onto its newly attached legs.
2. Connecting the Triple Pedal Unit
- Locate the triple pedal unit.
- Connect the cable from the triple pedal unit to the corresponding "Three-pedal" port on the rear panel of the piano.
3. Attaching the Music Stand
- Insert the music stand into the slot located on the top surface of the piano, behind the keys.
- Ensure it is seated firmly.
4. Power Connection
- Connect the power adapter to the "DC IN" port on the rear panel of the piano.
- Plug the other end of the power adapter into a standard electrical outlet.

Figure 3: Disassembled piano components for setup.
The piano is designed for straightforward assembly, requiring minimal tools and effort.
Operating the Piano
Basic Operation
- Power On/Off: Press the POWER button on the control panel to turn the piano on or off.
- Volume Control: Use the VOLUME buttons or the DATA WHEEL to adjust the overall sound level.
Key Features
- 88 Weighted Keys: The MDP-88N features a full 88-key keyboard with authentic hammer action, providing a realistic playing experience similar to an acoustic piano.
- Touch Response: The keys are velocity-sensitive, meaning the volume and tone change based on how hard you strike the keys. This allows for dynamic and expressive playing.

Figure 4: Weighted keys for authentic feel.
The fully weighted keys provide a tactile response crucial for developing proper piano technique and expression.
Control Panel Functions
The intuitive control panel allows access to various features:
- TONE: Select from 128 different instrument voices, including various pianos, guitars, strings, and more. Use the DATA WHEEL to browse.
- RHYTHM: Choose from 128 built-in rhythms to accompany your playing.
- DEMO: Play through 80 pre-recorded demo songs.
- RECORD/RE-PLAY: Record your performances and play them back. This feature allows for layering parts or self-accompaniment.
- SPLIT: Divides the keyboard into two sections, allowing two different instrument voices to be played simultaneously.
- CHORD: Automatically plays a full chord when you press a single root note.
- TOUCH: Adjusts the touch sensitivity of the keys to match your playing style.
- METRONOME START/STOP: Activates or deactivates the metronome for timing practice.
- SYNC: Synchronizes the rhythm start with your first key press.

Figure 5: Detailed view of the control panel.
The control panel provides quick access to all the piano's digital functions and sound options.
Pedal Functions
The triple pedal unit offers enhanced expressive control:
- Right Pedal (Sustain): Sustains the notes played, allowing them to ring out after the keys are released.
- Middle Pedal (Sostenuto): Sustains only the notes that are held down at the moment the pedal is pressed, while subsequent notes remain unaffected.
- Left Pedal (Soft): Softens the sound of the notes played.

Figure 6: Triple pedal unit for expressive control.
The three pedals replicate the functionality of an acoustic grand piano, offering a full range of expressive possibilities.
Connectivity
The MDP-88N offers versatile connectivity options:
- USB-MIDI: Connect to a computer or other MIDI devices for recording, music production, or using the piano as a MIDI controller.
- Dual Bluetooth: Seamlessly pair with your phone or tablet for audio streaming or MIDI over Bluetooth.
- Headphone Jacks (3.5mm): Two headphone jacks allow for private practice or duet sessions without disturbing others.
- Audio Input/Output: Connect external audio sources or output the piano's sound to external speakers or recording equipment.
- Microphone Input: Connect a microphone for vocal accompaniment or recording.

Figure 7: Rear panel connectivity ports.
The comprehensive array of ports allows for integration with various devices and expands the piano's functionality.
Maintenance
Proper care ensures the longevity and performance of your digital piano:
- Cleaning: Use a soft, dry cloth to wipe down the keys and cabinet. For stubborn dirt, a slightly damp cloth can be used, followed immediately by a dry cloth. Avoid abrasive cleaners or solvents.
- Storage: Store the piano in a stable environment, away from direct sunlight, extreme temperatures, and high humidity.
- Handling: When moving the piano, always lift it with assistance and avoid dragging or dropping it.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound | Power not connected, volume too low, headphones connected. | Check power adapter, increase volume, disconnect headphones. |
| Keys not responding | Power off, internal issue. | Ensure piano is powered on. If issue persists, contact customer service. |
| Pedals not working | Pedal unit not properly connected. | Verify the pedal cable is securely plugged into the correct port. |
| Bluetooth connection issues | Device not in pairing mode, interference. | Ensure your device is in pairing mode and within range. Try restarting both devices. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | MDP-88N |
| Number of Keys | 88 |
| Key Type | Weighted, Hammer Action |
| Polyphony | 128 |
| Sound Source | French DREAM |
| Connectivity | USB, MIDI, Dual Bluetooth, 3.5mm Headphone Jack, Audio In/Out, Microphone |
| Power Source | Corded Electric |
| Item Weight | 43.3 pounds |
| Dimensions (Package) | 54.9 x 14.6 x 10.9 inches |
| Body Material | Wood |
| Color | Brown |
Warranty and Support
MOSEN MUSIC is committed to providing excellent customer service.
- Worry-Free After-Sales Service: If you encounter any problems after receiving or during use of your MOSEN MDP-88N, please contact our after-sales customer service. Our team is available to assist you at any time.
- Return Policy: Enjoy a 30-day free return policy.



Figure 8: MOSEN MUSIC Customer Care details.
MOSEN MUSIC offers comprehensive customer support, including 24-hour global service and a 30-day free return policy.





