1. Introduction
Thank you for choosing the STRICH SDP-300S Digital Piano. This instrument combines the authentic feel of a traditional piano with modern digital features, offering a versatile and enjoyable musical experience. This manual provides essential information for the proper setup, operation, and maintenance of your digital piano. Please read it thoroughly before use to ensure optimal performance and longevity of your instrument.
2. Safety Instructions
- Power Supply: Use only the provided AC adapter (Input AC: 100V-240V, Output DC: 12V 3A, Adapter Transformer DC: 5.5mm x 2.2mm). Ensure the voltage matches your local power supply.
- Water and Moisture: Do not expose the piano to water or moisture. Avoid placing liquids on or near the instrument.
- Ventilation: Ensure proper ventilation around the piano. Do not block ventilation openings.
- Placement: Place the piano on a stable, level surface to prevent accidental falls. Avoid extreme temperatures or direct sunlight.
- Cleaning: Use a soft, dry cloth for cleaning. Do not use abrasive cleaners or solvents.
- Disassembly: Do not attempt to disassemble or modify the instrument. Refer all servicing to qualified personnel.
3. Package Contents
Carefully unpack your STRICH SDP-300S Digital Piano and ensure all items are present. If any parts are missing or damaged, please contact customer support.
- STRICH SDP-300S Digital Piano Unit
- 4 x Support Legs
- 3-Pedal Unit
- Music Rest
- Power Adapter
- Assembly Screws and Screwdriver
- User Manual
4. Setup
4.1 Assembly
- Carefully place the piano unit upside down on a soft, clean surface to prevent scratches.
- Attach each of the four support legs to the designated mounting points on the underside of the piano using the provided screws and screwdriver. Ensure they are securely fastened.
- Gently flip the piano upright and place it in your desired location.
- Insert the music rest into the slot on the top panel of the piano.

Image: The STRICH SDP-300S Digital Piano with its music rest installed, ready for use.
4.2 Connections
Locate the connection panel on the rear of the piano:

Image: Close-up of the rear connection panel of the STRICH SDP-300S, showing ports for power, MIDI, USB, headphones, audio input, and pedal connections.
- Power: Connect the power adapter to the DC 12V port and plug it into a wall outlet. Use the ON/OFF switch to power the unit.
- Pedal Unit: Connect the 3-pedal unit cable to the 'PEDAL' port.
- Headphones: For silent practice, connect 6.35mm headphones to the 'PHONE' jack.
- Audio Input: Use the 'INPUT' jack to connect external audio sources (e.g., MP3 player, phone) to play through the piano's speakers.
- USB-MIDI: Connect a USB cable from the 'MIDI' or 'USB' port to a computer or smart device for MIDI functionality.
4.3 Video Guide: Assembly and Connections
Video: An official STRICH video demonstrating the assembly process and various connection options of the SDP-300S Digital Piano.
5. Operating Instructions
5.1 Control Panel Overview

Image: Close-up of the control panel on the left side of the STRICH SDP-300S keyboard, showing buttons for volume, tone, rhythm, demo, record, play, and other functions.
- Power ON/OFF: Use the switch on the rear panel.
- Volume: Adjust using the 'VOLUME' buttons on the control panel.
- Tone Selection: Press the 'TONE' button, then use the number buttons or arrow keys to select from 900 preset timbres.
- Rhythm Selection: Press the 'RHYTHM' button, then use the number buttons or arrow keys to select from 700 drum rhythms.
- Demo Songs: Press 'DEMO ALL' to play all demo songs, or 'DEMO' and then number buttons to select a specific demo from 110 built-in options.
- Auto Chord: Activate the intelligent auto chord function for enhanced playing. Refer to the full user manual for specific activation steps.
- Effects & Functions: Utilize 'CHORUS EFFECTS', 'LAYER/SPLIT', 'OCTAVE SHIFT', 'TRANSPOSE', and 'METRONOME' buttons for various musical expressions and practice aids.
- Recording: Press 'REC' to start recording your performance. Press 'PLAY' to listen to your recorded track.
5.2 Silent Practice
Connect 6.35mm headphones to the 'PHONE' jack on the rear panel for private practice without disturbing others.

Image: A woman wearing headphones while playing the STRICH SDP-300S Digital Piano, illustrating the silent practice feature.
5.3 Connectivity for Learning
The SDP-300S supports both wireless and USB-MIDI connections, allowing you to connect to teaching applications on iPads or phones for self-study, composition, or teaching purposes.

Image: The STRICH SDP-300S Digital Piano demonstrating wireless connectivity to a laptop and phone, enabling BGM input and app integration.
6. Features Overview
- Aesthetic Design: Features a chic walnut-wood-grain finish, designed to complement home decor.
- Hammer Action Keys: 88 fully weighted, full-size keys with simulated ivory texture provide an authentic grand piano feel. Adjustable touch response allows for personalized playing dynamics.
- Extensive Sound Library: Features 900 preset timbres and 700 drum rhythms, offering a wide range of musical possibilities. Maximum 128-note polyphony ensures rich sound.
- Dual 25W Speakers: Integrated speakers provide clear and powerful sound output.
- Learning Tools: Includes built-in demos and a dual-keyboard mode, ideal for beginners and teaching.

Image: The STRICH SDP-300S Digital Piano in a home environment, highlighting its retro wood grain design.

Image: A close-up view of the fully-weighted keys of the STRICH SDP-300S, illustrating the hammer-action mechanism.

Image: The STRICH SDP-300S showcasing its extensive sound library with 900 sounds, 700 drum rhythms, 110 beginner demos, and 2 auto-chord modes.
6.1 Product Video Overview
Video: A short preview video from Massenan Music highlighting the STRICH SDP-300S Digital Piano's features and design.
7. Maintenance
- Cleaning: Wipe the piano's surface with a soft, dry cloth. For stubborn dirt, slightly dampen the cloth with water and then wipe dry. Avoid excessive moisture.
- Key Care: Keep the keys clean. If they become dirty, wipe them gently with a soft cloth.
- Storage: When not in use for extended periods, cover the piano to protect it from dust. Store in a cool, dry place away from direct sunlight and extreme temperatures.
- Transportation: When moving the piano, ensure it is properly disassembled and packaged to prevent damage.
8. Troubleshooting
If you encounter any issues with your STRICH SDP-300S Digital Piano, please refer to the following common solutions:
- 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 enable speaker output.
- Verify that the power adapter is securely connected.
- Keys Not Responding:
- Ensure the piano is powered on.
- If using MIDI, check the connection and software settings.
- Pedal Not Working:
- Ensure the pedal unit is correctly plugged into the 'PEDAL' port on the rear panel.
- Missing Accessories/Manual:
- Please carefully check the inside of the packaging, including all foam inserts, before disposing of it. Accessories can sometimes be tucked away for protection during transit.
For further assistance, please contact STRICH customer support.
9. Specifications

Image: Diagram illustrating the dimensions of the STRICH SDP-300S Digital Piano.
| Feature | Description |
|---|---|
| Model Name | SDP-300S |
| Number of Keys | 88 |
| Key Type | Hammer Action, Fully Weighted, Full-size, Simulated Ivory Texture |
| Timbres | 900 Preset Timbres |
| Rhythms | 700 Drum Rhythms |
| Polyphony | 128 (Max) |
| Speakers | Dual 25W Speakers |
| Special Features | Built-In Speaker, Hammer Action, Headphone Jack, Recording, Weighted Keys, Chorus Effects, Layer/Split, Octave Shift, Transpose, Metronome, Intelligent Auto Chord, Built-in Demos, Dual-Keyboard Mode |
| Connectivity | USB-MIDI, Wireless, 6.35mm Headphone Jack, Audio-in (6.35mm Jack) |
| Power Source | Corded Electric |
| Adapter Specifications | Input AC: 100V-240V, Output DC: 12V 3A, Adapter Transformer DC: 5.5mm x 2.2mm |
| Dimensions | 12.2 x 51.18 x 29.53 inches |
| Item Weight | 31 Pounds |
| Color | Walnut Wood |
10. Warranty and Support
For warranty information, technical support, or any inquiries regarding your STRICH SDP-300S Digital Piano, please refer to the contact details provided with your purchase documentation or visit the official STRICH website. Keep your proof of purchase for warranty claims.






