Introduction
This manual provides essential information for the setup, operation, and maintenance of your AiJoy ADP-20 Digital Piano. Designed for beginners and experienced musicians alike, this 88-key hammer-action weighted keyboard offers an authentic playing experience with versatile connectivity options. Please read this manual thoroughly to ensure proper use and longevity of your instrument.
Unboxing & Package Contents
Upon receiving your AiJoy ADP-20 Digital Piano, carefully inspect the packaging for any signs of damage. Open the box and ensure all components are present as listed below. The piano is securely packed to prevent damage during transit.

Figure 1: AiJoy ADP-20 Digital Piano, fully assembled.
Package Contents:
- AiJoy ADP-20 Digital Piano (88-key keyboard unit)
- 4 x Wooden Legs
- 1 x Triple Pedal Unit
- 1 x Music Stand
- 1 x Power Adapter
- Assembly Screws and Tools
- User Manual
Video 1: Unboxing and initial overview of the digital piano components.
Setup & Assembly
The AiJoy ADP-20 Digital Piano is designed for straightforward assembly. Follow these steps to set up your instrument.
1. Attaching the Legs:
- Carefully place the piano keyboard unit upside down on a soft, clean surface to avoid scratching.
- Align each wooden leg with the designated screw holes on the underside of the piano.
- Securely fasten each leg using the provided screws and screwdriver. Ensure all screws are tightened to prevent wobbling.
- With assistance, carefully flip the piano upright onto its newly attached legs.

Figure 2: Underside of the piano with leg attachment points visible.
2. Connecting the Triple Pedal Unit:
- Locate the MIDI port on the underside of the piano.
- Connect the cable from the triple pedal unit firmly into the MIDI port.
- Position the pedal unit on the floor in front of the piano for comfortable use.
3. Connecting Power:
- Plug the power adapter into the designated power input on the rear panel of the piano.
- Connect the other end of the power adapter to a suitable electrical outlet.

Figure 3: Rear panel connectivity ports.
4. Attaching the Music Stand:
- Insert the music stand into the slot located on the top panel of the piano.
Operating Instructions
Your AiJoy ADP-20 Digital Piano offers a range of features to enhance your playing and learning experience.
1. Power On/Off:
- Locate the Power On/Off button on the rear panel. Press to turn the piano on or off.
2. Volume Control:
- Adjust the master volume using the dedicated knob on the rear panel to suit your preference.
3. Authentic Hammer-Action Feel:
- The 88-key fully weighted keyboard replicates the touch of an acoustic grand piano, providing natural resistance and rebound for developing proper finger strength and technique.

Figure 4: Close-up of the hammer-action weighted keys.
4. Pure Piano Tone:
- Experience a clean, authentic grand piano tone powered by an advanced French DREAM sound chip. Dual stereo speakers with enhanced reverb and resonance deliver rich, detailed bass and clear highs.
Video 2: AiJoy Digital Piano sound sample demonstrating tone quality.
5. Silent Practice:
- Plug your headphones into the 6.35mm headphone jack on the rear panel for private practice sessions without disturbing others.

Figure 5: Silent practice with headphones.
6. Versatile Connectivity:
- The piano offers USB-MIDI connectivity for connecting to computers or other MIDI devices, enabling recording, composing, or using learning applications.
- An audio input allows you to connect external audio sources and play along.

Figure 6: USB-MIDI connectivity for creative applications.
Maintenance
Proper maintenance ensures the longevity and optimal performance of your digital piano.
1. Cleaning:
- Use a soft, dry cloth to wipe down the piano's surface and keys.
- Avoid using abrasive cleaners, solvents, or waxes, as these can damage the finish.
2. Storage:
- Store the piano in a cool, dry place away from direct sunlight, extreme temperatures, and humidity.
- If not in use for extended periods, consider covering the piano with a dust cover to protect it.
Troubleshooting
If you encounter any issues with your AiJoy ADP-20 Digital Piano, refer to the following common troubleshooting tips:
1. No Sound:
- Ensure the piano is powered on and the volume is turned up.
- Check if headphones are plugged in. If so, unplug them to hear sound from the speakers.
- Verify that all cables, especially the power adapter, are securely connected.
2. Keys Not Responding:
- Ensure the piano is powered on.
- If connected via MIDI, check the settings on your connected device and the piano to ensure proper communication.
3. Abnormal Sound:
- Check for any loose connections or interference from other electronic devices.
- Try restarting the piano.
If the issue persists after trying these steps, please contact AiJoy customer support for further assistance.
Specifications
| Brand | AiJoy |
| Model Name | ADP-20 |
| Number of Keys | 88 |
| Key Type | Hammer-action Weighted |
| Body Material | Walnut Wood |
| Color | Retro Wood |
| Product Dimensions | 12"D x 48"W x 32"H |
| Item Weight | 45.8 pounds |
| Connectivity Technology | USB (USB-MIDI) |
| Headphones Jack | 6.35mm Jack |
| Power Source | Corded Electric |
| Manufacturer | Shenzhenshilefeifan e-commerce Co, Ltd. |
Warranty & Support
For warranty information or technical support, please refer to the documentation included with your product or visit the official AiJoy website. Keep your purchase receipt as proof of purchase for warranty claims.