MOSEN MUSIC MS081

Download PDFFree PDF. The Save button below keeps a bookmark and private notes in your account.

MOSEN MS081 88-Key Portable Digital Piano Keyboard

Instruction Manual

Introduction

This manual provides essential information for the setup, operation, and maintenance of your MOSEN MS081 88-Key Portable Digital Piano Keyboard. Designed for beginners and experienced players alike, this semi-weighted, foldable keyboard offers a versatile and portable musical experience. Please read these instructions carefully to ensure proper use and to maximize your enjoyment of the instrument.

Package Contents

Verify that all items listed below are included in your package:

  • 1 x MOSEN MS081 88-Key Semi-Weighted Keyboard
  • 1 x Microphone
  • 1 x Music Stand
  • 1 x Set of Note Stickers
  • 1 x USB-C Cable
  • 1 x Power Adapter

Setup

  1. Unfolding the Keyboard: Carefully unfold the keyboard until it locks into its full 88-key position. Ensure the hinge mechanism is securely engaged.
  2. Power Connection: Connect the provided USB-C cable to the keyboard's power port and the power adapter. Plug the adapter into a standard electrical outlet. The keyboard can also operate on its internal battery for up to 10 hours on a full charge.
  3. Attaching the Music Stand: Insert the music stand into the designated slots on the top panel of the keyboard.
  4. Applying Note Stickers: For beginners, apply the included note stickers to the white keys as guided by the sticker sheet to assist with learning.
  5. Connecting Accessories: If desired, plug the microphone into the microphone input port. An optional sustain pedal (not included) can be connected to the sustain pedal port for enhanced playability.
Close-up of the MOSEN MS081 keyboard's connection ports, including USB-C power, microphone, and sustain pedal inputs.
Figure 1: Seamless Connection Ports

This image displays the various input and output ports on the MOSEN MS081 keyboard, including the USB Type-C power input, microphone jack, and sustain pedal input, allowing for versatile connectivity.

Operating Instructions

Basic Operation

  • Power On/Off: Press the 'POWER' button to turn the keyboard on or off.
  • Volume Control: Use the 'VOLUME' buttons to adjust the overall sound level.
  • Tone Selection: Press the 'TONE' button and use the number keys to select from 190 realistic tones.
  • Rhythm Selection: Press the 'RHYTHM' button and use the number keys to select from 191 dynamic rhythms.
  • Demo Songs: Press 'DEMO ONE' to play a single demo song or 'DEMO ALL' to cycle through all 80 built-in demo songs.

Advanced Features

  • Auto-Chord: Activate the 'CHORD' function for automatic chord accompaniment.
  • Split Function: Use the 'SPLIT' feature to divide the keyboard into two sections, allowing different tones to be played on each half.
  • Record/Play: The 'RECORD' and 'PLAY' buttons allow you to record and playback your performances.
  • Transpose: Adjust the pitch of the keyboard using the 'TRANSPOSE' function.
  • Sustain: Press the 'SUSTAIN' button to apply a sustain effect to the notes. An external sustain pedal can also be used.
  • Metronome: Activate the 'METRONOME' for timing assistance during practice.

Learning Tools

  • Dual Keyboard Mode: Enables two players to use the keyboard simultaneously, ideal for teaching.
  • Interactive Teaching Functions: Utilize the 'LESSON' mode for guided learning exercises.
Overview of the MOSEN MS081 keyboard's control panel, showing buttons for tones, rhythms, demo songs, and other functions.
Figure 2: Control Panel Overview

This image provides a clear view of the keyboard's control panel, highlighting buttons for various functions such as tone, rhythm, demo songs, recording, and learning modes.

The MOSEN MS081 keyboard with an overlay indicating 10 hours of battery life, emphasizing its portability.
Figure 3: Battery Life Indication

This image illustrates the keyboard's long-lasting battery, capable of providing up to 10 hours of playtime, making it suitable for portable use without constant power connection.

Portability and Folding

The MOSEN MS081 is designed for maximum portability. It weighs approximately 10.98 pounds and folds to a compact length of 25.2 inches, allowing for easy storage and transport.

  • Folding Mechanism: Locate the folding button/latch (refer to Figure 5) and press it to release the hinge. Carefully fold the keyboard in half.
  • Storage: Once folded, the keyboard can be stored in small spaces or carried in a compatible bag.
The MOSEN MS081 keyboard in the process of folding, demonstrating its compact design.
Figure 4: Keyboard Foldability

This image shows the MOSEN MS081 keyboard in a partially folded state, highlighting its sleek and portable design that allows it to be easily compacted for transport or storage.

Close-up of the single button folding mechanism on the MOSEN MS081 keyboard.
Figure 5: Single Button Folding

This image provides a detailed view of the single-button folding mechanism, illustrating how to easily fold and unfold the keyboard for convenience.

Maintenance

  • Cleaning: Use a soft, dry cloth to wipe the surface of the keyboard. Avoid using abrasive cleaners or solvents.
  • Storage: When not in use, store the keyboard in a cool, dry place away from direct sunlight and extreme temperatures.
  • Battery Care: For optimal battery life, avoid fully discharging the battery frequently. Charge the keyboard regularly, especially if it will be stored for extended periods.

Troubleshooting

  • No Sound:
    • Check the volume level.
    • Ensure headphones are not plugged in if you intend to use the built-in speakers.
    • Verify the power connection and battery charge.
  • Keyboard Not Powering On:
    • Confirm the power adapter is correctly connected and the outlet is functional.
    • Charge the internal battery if it is depleted.
  • Keys Not Responding:
    • Restart the keyboard.
    • Ensure no foreign objects are lodged between the keys.

Specifications

Model NumberMS081 (also referred to as MDP-550)
Number of Keys88
Key TypeSemi-Weighted
Tones190
Rhythms191
Demo Songs80
Special FeatureFoldable
Power SourceCorded Electric, Internal Battery (up to 10 hours)
Connector TypeUSB Type C
Item Weight10.98 pounds
Package Dimensions28.5 x 12 x 6.5 inches
Material TypePlastic
ColorBlack

Warranty and Support

For any issues encountered after receiving or during the use of your MOSEN MS081 keyboard, please contact MOSEN MUSIC customer service. Our support team is available to assist you with troubleshooting and warranty-related inquiries.

Please refer to your purchase documentation for specific warranty terms and contact information.

© 2025 MOSEN MUSIC. All rights reserved.

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.

After a successful submission, we securely hash the supplied account or form email before sending it to Microsoft Advertising for conversion attribution. Privacy details.