1. Introduction
Thank you for choosing the MOSEN 88 Keys Weighted Digital Piano, Model MDP-110. This manual provides essential information for the proper setup, operation, and maintenance of your new instrument. Please read it thoroughly to ensure optimal performance and longevity of your digital piano.
The MDP-110 features 88 full-sized, weighted keys with hammer action, designed to replicate the tactile sensation of an acoustic piano. It offers a versatile sound selection, various connectivity options, and a premium design suitable for both beginners and experienced pianists.

Image 1.1: MOSEN 88 Keys Weighted Digital Piano MDP-110 with furniture stand and 3-pedal unit.
2. What's in the Box
Carefully unpack all components and ensure all items listed below are present. If any items are missing or damaged, please contact customer service.
- Digital Piano Unit (Keyboard)
- Wooden Stand Components
- 3-Pedal Unit
- Protective Cover
- Keyboard Stickers
- Power Adapter
- User Manual
- Assembly Hardware (screws, screwdriver)
3. Setup
Assembly of the MOSEN MDP-110 digital piano is straightforward. It is recommended to have two people for assembly due to the weight of the components.
- Unpacking: Carefully remove all parts from the packaging. Lay them out on a soft, clean surface to prevent scratches.
- Stand Assembly: Assemble the wooden stand components according to the diagrams in the included User Manual. Use the provided screws and screwdriver.
- Attach Pedal Unit: Secure the 3-pedal unit to the assembled stand using the designated screws.
- Mount Piano Unit: Carefully place the main digital piano unit onto the assembled stand. Align the mounting holes and secure the piano unit to the stand using the appropriate screws.
- Connect Pedal Cable: Locate the pedal cable extending from the 3-pedal unit and plug it into the 'PEDAL' port on the piano's rear connection panel.
- Connect Power: Plug the power adapter into the 'DC IN' port on the piano's rear connection panel, then plug the adapter into a wall outlet.
- Initial Power On: Before fully securing all components, it is advisable to power on the piano to ensure all functions are operational. Use the ON/OFF switch located on the rear panel.

Image 3.1: The MOSEN 88 Keys Digital Piano fully assembled, showcasing its integrated stand and pedal unit.
4. Components and Controls
The MDP-110 digital piano features an intuitive control panel and a comprehensive set of connection ports for versatile use.
4.1 Control Panel

Image 4.1: Close-up view of the MDP-110 digital piano's control panel with LCD display.
- LCD Panel: Displays current settings such as tone number, rhythm, tempo, etc.
- Volume Control: Adjusts the overall output volume.
- Tone Selection: Buttons to browse and select from 380 available tones.
- Rhythm Selection: Buttons to browse and select from 128 available rhythms.
- Demo: Initiates playback of built-in demo songs.
- Record/Play: Functions for recording your performance and playing it back.
- Split/Dual: Activates keyboard split or dual voice modes.
- Transpose: Adjusts the pitch of the keyboard in semitone steps.
- Tempo: Adjusts the speed of rhythms and metronome.
- Chord: Activates chord functions.
- Metronome: Turns the metronome on/off and adjusts its settings.
4.2 Connection Ports

Image 4.2: Detailed view of the MDP-110 digital piano's rear connection ports.
- DC IN: Power adapter input.
- USB-MIDI: Connects to a computer or mobile device for MIDI data transmission.
- USB: For MP3 player functions or connecting USB storage devices.
- Headphone Jack (3.5mm): For private practice.
- Audio Input/Output: Connect external audio sources or output piano sound to external speakers/amplifiers.
- PEDAL: Connects the 3-pedal unit.
4.3 3-Pedal Unit

Image 4.3: Close-up of the integrated 3-pedal unit.
- Sustain Pedal (Right): Sustains notes after keys are released.
- Sostenuto Pedal (Middle): Sustains only notes held down at the moment the pedal is pressed.
- Una Corda Pedal (Left): Softens the sound of the notes played.
5. Operating Instructions
This section details the primary functions and how to operate your MOSEN MDP-110 digital piano.
5.1 Power On/Off and Volume
- To power on, press the 'ON/OFF' switch on the rear panel. The LCD will light up.
- To power off, press the 'ON/OFF' switch again.
- Adjust the master volume using the dedicated volume knob or buttons on the control panel.
5.2 Tone and Rhythm Selection
- Use the 'TONE' buttons to cycle through the 380 available instrument sounds, including piano, ukulele, drums, and more.
- Use the 'RHYTHM' buttons to select from 128 built-in rhythms to accompany your playing.
5.3 Demo Songs and Metronome
- Press the 'DEMO' button to play through the 88+ pre-recorded demo songs.
- Activate the 'METRONOME' for timing assistance during practice. Adjust tempo using the 'TEMPO' controls.
5.4 Recording and Playback
- Press 'REC' to start recording your performance.
- Press 'PLAY' to listen to your recorded track.
5.5 Connectivity
- Headphones: Plug headphones into the 3.5mm jack for silent practice.
- USB-MIDI: Connect the piano to a computer or mobile device to use with music software or learning applications.
- MP3 Player: Use the USB port to connect a USB drive for MP3 playback through the piano's speakers.
- Audio In/Out: Connect external audio devices or output the piano's sound to an amplifier or PA system.

Image 5.1: Overview of the MDP-110's rich functionality, including hammer action, various tones, rhythms, and connectivity.
5.6 Official Product Videos
Video 5.1: Demonstrates the feel and responsiveness of the MDP-110's weighted keys.
Video 5.2: Highlights various features and the overall user experience of the MDP-110 digital piano.
Video 5.3: Showcases the sound quality and different tones available on the MDP-110.
6. Maintenance
Proper maintenance ensures the longevity and optimal performance of your digital piano.
- Cleaning: Use a soft, dry cloth to wipe the surface of the piano. For keys, a slightly damp cloth can be used, followed immediately by a dry cloth. Avoid abrasive cleaners or solvents.
- Dust Protection: Use the provided protective cover when the piano is not in use to prevent dust accumulation.
- Placement: Avoid placing the piano in direct sunlight, near heat sources, or in areas with extreme temperature fluctuations or high humidity.
- Handling: When moving the piano, always lift it carefully with assistance. Avoid dragging or dropping the unit.
7. Troubleshooting
If you encounter any issues with your MOSEN MDP-110, please refer to the following common troubleshooting steps:
- No Sound:
- Check if the piano is powered on and the volume is turned up.
- Ensure headphones are not plugged in, as this will mute the internal speakers.
- Verify that external speakers/amplifiers are properly connected and powered on if in use.
- Keys Not Responding:
- Ensure the piano is powered on.
- If only certain keys are affected, contact customer service.
- Pedal Issues:
- Check if the pedal cable is securely connected to the 'PEDAL' port.
- Distorted Sound:
- Lower the volume to see if distortion persists.
- Check external audio connections for loose cables or interference.
For issues not covered here or if problems persist, please contact MOSEN customer service.
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | MDP-110 |
| Number of Keys | 88 |
| Key Type | Weighted, Hammer Action |
| Polyphony | 128-note |
| Tones | 380 |
| Rhythms | 128 |
| Demo Songs | 88+ |
| Connectivity | USB-MIDI, USB, Audio Input/Output, Headphone Jack (3.5mm) |
| Power Source | Corded Electric |
| Speakers | Built-in (2 x 15W) |
| Pedals | 3-Pedal Unit (Sustain, Sostenuto, Una Corda) |
| Item Weight | 82.8 pounds |
| Package Dimensions | 57 x 17.75 x 14.4 inches |

Image 8.1: Visual representation of the MDP-110 digital piano dimensions.
9. Warranty and Support
MOSEN MUSIC provides worry-free after-sales service for your digital piano. If you encounter any problems after receiving the product or during its use, please contact our customer service team. We are available to assist you at any time to resolve your concerns.
For support, please refer to the contact information provided in your purchase documentation or visit the official MOSEN MUSIC website.


