Introduction
This manual provides essential information for the setup, operation, and maintenance of your Asmuse ADP-90 88-Key Digital Piano. Please read it thoroughly to ensure proper use and to maximize your musical experience.
Product Features Overview
The Asmuse ADP-90 Digital Piano is designed for musicians of all skill levels, offering a comprehensive set of features for learning, practice, and performance.
- Authentic Touch: Features 88 semi-weighted, touch-sensitive keys that provide a realistic piano feel.
- Extensive Sound Library: Includes 128 rhythms, 128 tones, and 80 demo songs for diverse musical exploration and learning.
- Versatile Connectivity: Equipped with MIDI functionality, USB, headphone, microphone, and MP3 inputs for seamless integration with other devices.
- Complete Learning Kit: Comes with a sustain pedal, music rest, and power adapter.
- Diverse Functionality: Offers metronome, chord patterns, Bluetooth mode, dual keyboard mode, and recording/playback capabilities.
- Superior Sound: Features two built-in 20W stereo speakers for clear and resonant audio output.
- Portability: Lightweight design (under 11 lbs) for easy transport and setup.

Image: Overview of the Asmuse ADP-90 Digital Piano's key features and specifications.
Setup and Assembly
1. Unpacking and Included Accessories
Carefully remove all components from the packaging. Ensure the following items are present:
- Asmuse ADP-90 Digital Piano
- Sustain Pedal
- Music Rest
- Power Adapter

Image: The Asmuse ADP-90 Digital Piano shown with its included accessories: sustain pedal, music rest, and power adapter. Product dimensions are also indicated.
2. Connecting Power
Connect the power adapter to the DC5V input port on the rear of the piano and then plug it into a standard electrical outlet.
3. Attaching the Music Rest
Insert the music rest into the designated slots on the top panel of the piano.
4. Connecting Peripherals
The piano offers various connection options:
- Sustain Pedal: Connect the sustain pedal to the 'SUS' port.
- Headphones: For private practice, plug headphones into the 'PHONE' jack.
- Microphone: Connect a microphone to the 'MIC' input.
- MP3 Player: Use the 'MP3' input to connect an external audio source.
- USB: Connect to a computer or other device using the 'USB' port for MIDI functionality.
- MIDI Out: Use the 'MIDI OUT' port to send MIDI data to external devices.

Image: Detailed view of the various input and output ports on the Asmuse ADP-90 Digital Piano, including Phone, DC5V, MP3, MIC, SUS, MIDI, and USB.
Operating Instructions
1. Power On/Off
Press the POWER button to turn the digital piano on or off. The display will illuminate when powered on.
2. Volume Adjustment
Rotate the VOLUME knob to adjust the overall sound output level.
3. Tone Selection
The ADP-90 offers 128 different tones. Press the TONE button and use the data wheel or number buttons to select your desired instrument sound.
4. Rhythm Selection
Choose from 128 rhythms by pressing the RHYTHM button and using the data wheel or number buttons.
5. Demo Songs
The piano includes 80 demo songs. Press the DEMO button to listen to pre-recorded melodies.

Image: A visual representation highlighting the 80 demo songs, 128 rhythms, and 128 tones available on the Asmuse ADP-90 Digital Piano.
6. Metronome
Activate the metronome function to assist with timing and rhythm practice.
7. Touch Sensitivity
The keys are touch-sensitive, meaning the volume and timbre of the sound change based on how hard you press the keys. This feature can be adjusted or turned off via the TOUCH button.

Image: Close-up of the Asmuse ADP-90 Digital Piano keys and control panel, emphasizing its 88 standard, touch-sensitive keys and dual keyboard mode capability.
Advanced Functions
1. Recording and Playback
Use the RECORD and R.PLAY (Replay) functions to record your performances and listen back to them.
2. Dual Keyboard Mode
Engage the dual keyboard mode to split the keyboard into two identical pitch ranges, allowing two players to play simultaneously or for a teacher and student to play together.
3. MIDI Functionality
The ADP-90 supports MIDI, allowing you to connect it to computers, tablets, or smartphones. This enables use with various music educational apps for enhanced learning and recording.

Image: The Asmuse ADP-90 Digital Piano connected to a tablet, demonstrating its Bluetooth and MIDI capabilities for use with educational music applications like Garageband, Pop Piano, ISPIANO, Synthesia, and Perfect Piano.
4. Bluetooth Mode
Connect your smart devices wirelessly via Bluetooth to stream audio through the piano's speakers or use it with compatible apps.
5. Official Product Video: 88-Key Digital Piano Overview
Video: An official overview of the Asmuse 88-Key Digital Piano, demonstrating its features and sound capabilities. This video is provided by the seller, Asmuse-US.
Sound and Speakers
The ADP-90 is equipped with two powerful 20W stereo speakers, delivering a rich and immersive sound experience. For private practice, utilize the headphone jack to enjoy your music without disturbing others.

Image: A visual representation of the dual powerful speakers integrated into the Asmuse ADP-90 Digital Piano, designed to provide a satisfactory music experience.
Maintenance and Care
1. Cleaning
Wipe the piano's surface with a soft, dry cloth. Avoid using abrasive cleaners, solvents, or waxes, as these can damage the finish. For keys, a slightly damp cloth can be used, ensuring no moisture seeps into the gaps.
2. Storage
Store the piano in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity. When not in use, cover the keys to protect them from dust.
Troubleshooting
If you encounter any issues with your Asmuse ADP-90 Digital Piano, please refer to the following common solutions:
- No Sound: Check if the power is on, volume is up, and headphones are not plugged in (unless intended). Ensure external speakers are connected correctly if used.
- Keys Not Responding: Verify power connection. If using MIDI, ensure the correct software and settings are active.
- Distorted Sound: Check volume levels on both the piano and any connected external devices. Ensure cables are securely connected.
- Power Issues: Confirm the power adapter is correctly plugged into both the piano and a working electrical outlet.
For persistent issues, please contact Asmuse customer support for further assistance.
Product Specifications
| Feature | Specification |
|---|---|
| Model Name | ADP-90 |
| Number of Keys | 88 |
| Key Type | Semi-Weighted, Touch-Sensitive |
| Tones | 128 |
| Rhythms | 128 |
| Demo Songs | 80 |
| Speakers | 2 x 20W Built-in Stereo Speakers |
| Connectivity | USB, MIDI, MP3 Input, Microphone Input, Headphone Jack (3.5mm), Auxiliary |
| Special Features | Metronome, Chord Patterns, Recording, Smart Chord, Dual Keyboard Mode, Bluetooth Mode |
| Power Source | Corded Electric |
| Product Dimensions | 9.25"D x 51"W x 3.54"H |
| Item Weight | 11.24 pounds |
| Color | Black |
Warranty and Support
For warranty information or technical support, please refer to the documentation included with your product or contact Asmuse customer service directly. Keep your purchase receipt as proof of purchase.
