1. Introduction
Thank you for purchasing the STRICH SDP-300W Digital Piano. This instrument combines the authentic feel of an acoustic piano with modern digital features, designed for both beginners and experienced players. This manual provides essential information for setup, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your digital piano.
2. Safety Information
Please read and understand the following safety precautions before using the instrument to prevent injury to yourself or others, and damage to the instrument or other property.
- Power Supply: Use only the specified power adapter. Ensure the voltage matches the requirements of your region.
- Location: Place the instrument on a stable, level surface. Avoid direct sunlight, heat sources, excessive dust, moisture, or vibrations.
- Water and Moisture: Do not expose the instrument to rain, water, or excessive humidity. Do not place containers with liquids on the instrument.
- Ventilation: Ensure proper ventilation. Do not block ventilation openings.
- Handling: Do not apply excessive force to the keys, buttons, or connectors.
- Cleaning: Use a soft, dry cloth for cleaning. Do not use chemical cleaners or solvents.
- Disassembly: Do not attempt to disassemble or modify the instrument. Refer all servicing to qualified personnel.
3. Package Contents
Verify that all items listed below are included in your package:
- STRICH SDP-300W Digital Piano
- Furniture Stand
- Power Adapter (Input AC: 100V-240V, Output DC: 12V 3A, Adapter Transformer DC: 5.5mm x 2.2mm)
- Three-Pedal Unit
- Music Rest
- User Manual (this document)
4. Setup
4.1 Assembly
The STRICH SDP-300W Digital Piano requires assembly of the main unit onto the furniture stand. Follow the instructions provided in the separate assembly guide for detailed steps. Ensure all screws are securely fastened for stability.

Figure 4.1: Assembled STRICH SDP-300W Digital Piano.
4.2 Power Connection
- Connect the DC output plug of the power adapter to the DC 12V input jack on the rear panel of the digital piano.
- Plug the power adapter into a standard AC wall outlet (100V-240V).
4.3 Initial Power On
Press the ON/OFF button located on the rear panel to power on the instrument. The display will illuminate, indicating the piano is ready for use.
5. Operating Instructions
5.1 Basic Operation
- Power On/Off: Use the ON/OFF switch on the rear panel.
- Volume Control: Adjust the master volume using the dedicated volume knob or buttons on the control panel.
5.2 Key Features
The SDP-300W offers a range of features to enhance your playing experience:
- Hammer-Action Weighted Keys: The 88 full-size keys feature a hammer-action mechanism and simulated ivory texture, replicating the feel and response of a traditional grand piano. This provides a realistic playing experience with adjustable touch response.
- Multi-Timbres and Rhythms: Explore 900 preset timbres and 700 drum rhythms. The maximum polyphony is 128 notes, allowing for complex musical arrangements.
- Intelligent Auto Chord: Utilize the intelligent auto chord function for enhanced accompaniment and learning.
- Effects and Functions: Access various functions including Chorus Effects, Layer/Split (to play two sounds simultaneously or split the keyboard into two sections), Octave Shift, and Transpose.
- Audio-in Port: Connect external audio sources to the Audio-in port to play music through the piano's built-in 25W x 2 speakers, allowing you to play along with your favorite tracks.
- Headphone Output: For silent practice, connect headphones to the 6.35mm headphone jack. This mutes the internal speakers, allowing private practice without disturbing others.

Figure 5.1: Fully-Weighted Hammer Action Keys.

Figure 5.2: Multifunctional Electronic Piano Features.

Figure 5.3: Silent Practice with Headphones.
5.3 Connectivity
The SDP-300W offers versatile connectivity options:
- USB-MIDI Connection: Connect the piano to a computer or smart device via USB-MIDI for use with teaching apps, music production software, or composition tools.
- Wireless Connection: Utilize the wireless connectivity feature to connect to compatible teaching applications on iPads or smartphones for interactive learning.

Figure 5.4: Rear Panel Connectivity Ports.

Figure 5.5: Wireless and Wired BGM Input Support.
5.4 Control Panel Overview
Familiarize yourself with the control panel and various components of your digital piano:

Figure 5.6: Detailed Views of Piano Components.
6. Maintenance
- Cleaning: Wipe the instrument's surface with a soft, dry cloth. For stubborn dirt, lightly dampen the cloth with water and wipe gently, then dry immediately. Avoid abrasive cleaners, waxes, or solvents.
- Key Care: Keep the keys clean. If they become dirty, wipe them with a soft cloth slightly dampened with water and a mild soap solution, then dry thoroughly.
- Storage: When not in use for extended periods, cover the piano with a dust cover to protect it from dust and debris.
- Environmental Conditions: Maintain a stable room temperature and humidity. Extreme fluctuations can affect the instrument's components.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound |
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| Keys unresponsive or delayed response |
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| Headphone jack not working |
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| Connectivity issues (USB-MIDI/Wireless) |
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8. Specifications

Figure 8.1: STRICH SDP-300W Digital Piano Dimensions.
| Feature | Detail |
|---|---|
| Model Name | SDP-300W |
| Brand | STRICH |
| Number of Keys | 88 |
| Key Type | Hammer Action, Weighted, Simulated Ivory Texture |
| Polyphony | 128 (max) |
| Timbres | 900 preset |
| Drum Rhythms | 700 |
| Speakers | 25W x 2 |
| Connectivity | USB-MIDI, Wireless, Audio-in, 6.35mm Headphone Jack |
| Power Source | Corded Electric (AC 100V-240V, DC 12V 3A) |
| Product Dimensions | 12.4"D x 51.2"W x 27.8"H (31.5 cm D x 130 cm W x 70.6 cm H) |
| Item Weight | 58.8 Pounds (26.67 kg) |
| Body Material | Walnut Wood (Casing), Plastic (Keys) |
| Special Features | Built-In Speaker, Hammer Action, Headphone Jack, Multiple Voices, Smart Chord |
| Skill Level | Beginner |
9. Warranty and Support
STRICH products are manufactured to high-quality standards. For warranty information, technical support, or service inquiries, please refer to the warranty card included with your product or visit the official STRICH website. Please retain your proof of purchase for warranty claims.
For further assistance, please contact STRICH customer support.





