1. Introduction
Thank you for choosing the Moukey MDP-450 Digital Piano. This manual provides essential information for the safe and correct use of your instrument. Please read it thoroughly before use and keep it in a safe place for future reference.
2. Safety Information
- Power Supply: Use only the specified power adapter. Ensure the voltage matches the requirements of your region.
- Moisture: Keep the instrument away from water, high humidity, or rain. Do not place containers with liquids on the piano.
- Heat: Avoid placing the instrument near heat sources such as radiators, heat registers, stoves, or other heat-producing appliances.
- Ventilation: Ensure proper ventilation. Do not block any ventilation openings.
- Cleaning: Clean only with a dry cloth. Do not use liquid cleaners or aerosols.
- Children: Supervise children when they are using the instrument to prevent accidents.
- Servicing: Do not attempt to service this product yourself. Refer all servicing to qualified service personnel.
3. Package Contents
Please check that all the following items are included in your package:
- Moukey MDP-450 Digital Piano Unit
- Piano Stand Components
- Triple Pedal Unit
- Power Adapter
- Music Rest
- Matching Piano Bench
- User Manual (this document)
If any items are missing or damaged, please contact your retailer.
4. Setup
Follow these steps to assemble and set up your Moukey MDP-450 Digital Piano.
4.1. Assembly
Assemble the piano stand and attach the main piano unit securely. Ensure all screws are tightened to prevent instability. The triple pedal unit integrates into the stand structure.

This image shows the complete setup of the Moukey MDP-450 Digital Piano, including the main unit, stand, and bench. Use this as a reference during assembly to ensure all components are correctly positioned.
4.2. Connecting Power
Connect the power adapter to the DC IN jack on the rear of the piano, then plug the adapter into a standard electrical outlet.
4.3. Connecting Pedals
The triple pedal unit connects to a dedicated port, typically located underneath the piano unit or on the rear panel. Ensure the connection is firm.
4.4. Sliding Key Cover
The piano features a retractable key cover to protect the keys from dust and debris. Gently slide the cover forward to expose the keys for playing, and slide it back when not in use.

This image illustrates how to use the sliding key cover. When you finish playing, slide the cover over the keys to protect them from dust and other environmental factors.
5. Operating Instructions
This section details how to operate your Moukey MDP-450 Digital Piano.
5.1. Power On/Off
Press the Power button, usually located on the left side of the keyboard, to turn the instrument on or off. An indicator light will illuminate when the piano is on.
5.2. Adjusting Volume
Use the Volume control knob or buttons to adjust the overall sound level of the piano. Start with a low volume and increase it gradually to a comfortable listening level.
5.3. Selecting Tones/Voices
Your digital piano offers a variety of instrument sounds (tones or voices). Refer to the control panel and the specific tone selection buttons or menus to choose different sounds like grand piano, electric piano, organ, strings, etc.
5.4. Using Pedals
The MDP-450 includes a triple pedal unit:
- Right Pedal (Sustain): Sustains the notes played, allowing them to ring out after the keys are released.
- Middle Pedal (Sostenuto): Sustains only the notes held down at the moment the pedal is pressed, while subsequent notes remain unaffected.
- Left Pedal (Soft): Reduces the volume and alters the timbre of the notes played.
5.5. Headphone Use
For private practice, connect headphones to the headphone jacks. The MDP-450 features dual headphone jacks, allowing two users to listen simultaneously without disturbing others.

This image demonstrates the use of dual headphone jacks, enabling two people to practice or listen to the piano privately. This feature is ideal for lessons or collaborative playing.
5.6. MP3 Function
The piano supports MP3 input, allowing you to play along with your favorite songs or backing tracks. Connect your MP3 device to the designated input port.
5.7. Teaching Functions
The MDP-450 includes demo teaching modes and a double piano keyboard mode, which are beneficial for beginners and teaching activities. Consult the manual's specific section on teaching modes for detailed instructions on how to activate and use these features.

This image highlights the 88-key standard size keyboard, designed to replicate the feel and spacing of an acoustic piano. This is crucial for developing proper technique and muscle memory.
6. Maintenance
Proper care and maintenance will ensure the longevity and optimal performance of your digital piano.
6.1. Cleaning
- Wipe the surface of the piano with a soft, dry, lint-free cloth.
- For stubborn dirt, slightly dampen the cloth with water and a mild, neutral detergent, then wipe dry immediately.
- Avoid using abrasive cleaners, waxes, or solvents, as these can damage the finish.
6.2. Key Protection
Always use the sliding key cover when the piano is not in use to protect the keys from dust, spills, and potential damage.
6.3. Storage
Store the piano in a stable environment, away from direct sunlight, extreme temperatures, and high humidity. If moving the piano, ensure it is properly disassembled or secured to prevent damage.
7. Troubleshooting
If you encounter any issues with your Moukey MDP-450, please refer to the following common problems and solutions before contacting customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound |
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| Keys not responding |
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| Distorted sound |
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| Pedals not working |
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8. Specifications
Below are the technical specifications for the Moukey MDP-450 Digital Piano:
| Feature | Specification |
|---|---|
| Brand | Moukey |
| Model Name | MDP 450 |
| Model Number | MDP-450 |
| Color | BLACK |
| Number of Keys | 88 |
| Key Type | Semi Weighted Keys |
| Skill Level | Beginner |
| Connector Type | 3.5mm Jack |
| Connectivity Technology | USB |
| Power Source | Corded Electric |
| Dimensions (Approx.) | 53.7in (Width) x 15.7in (Depth) x 32.2in (Height) |
| Weight (Approx.) | 88.1lb |
9. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the warranty card included with your product or visit the official Moukey website. Keep your purchase receipt as proof of purchase.
Manufacturer: Moukey