Introduction
This manual provides comprehensive instructions for the setup, operation, and maintenance of your STRICH SEP-150 Digital Piano. Please read this manual thoroughly before using your instrument to ensure proper function and longevity. Keep this manual for future reference.
What's Included
Your STRICH SEP-150 Digital Piano package includes the following components:
- 1 x 88-Key Digital Piano (SEP-150)
- 1 x Double-X Piano Stand
- 1 x Sustain Pedal
- 1 x Music Rest
- 1 x Power Adapter
- 1 x Headphones
- 1 x Instruction Manual (this document)
- 1 x Keyboard Stickers

Setup Instructions
- Assemble the Stand: Unfold the double-X stand and adjust it to your desired height. Ensure the locking mechanism is securely engaged.
- Place the Piano: Carefully place the SEP-150 digital piano onto the assembled stand. Ensure it is centered and stable. The stand includes straps to secure the piano in place.
- Connect Power: Insert the power adapter into the DC IN port on the back of the piano and plug it into a standard electrical outlet.
- Connect Sustain Pedal: Plug the sustain pedal into the dedicated sustain pedal input on the back of the piano.
- Connect Headphones (Optional): For private practice, plug your headphones into the 3.5mm headphone jack.
- Attach Music Rest: Slide the music rest into the slot on top of the piano.


Operating Instructions
Power On/Off
Press the POWER button located on the left side of the control panel to turn the piano on or off. The LED display will illuminate upon power-on.

Adjusting Volume
Rotate the VOLUME knob clockwise to increase volume and counter-clockwise to decrease it. This knob is located on the right side of the control panel.

Selecting Tones (Voices)
The SEP-150 offers 900 different tones. Press the TONE button, then use the SELECT + or SELECT - buttons to browse through the available instrument sounds. The selected tone number will appear on the LED display.

This video demonstrates how to select different tones on the STRICH SEP-150 digital piano, showcasing the variety of sounds available.
Using Rhythms
Access 700 built-in rhythm patterns by pressing the RHYTHM button. Use SELECT + or SELECT - to choose a rhythm. Press START/STOP to begin or end the rhythm playback.
Recording and Playback
To record your performance, press the REC button. Play your desired piece. To stop recording, press REC again. To play back your recorded performance, press the PLAY button.
Connectivity
The SEP-150 features various connectivity options:
- USB 2.0: Connect to a computer or smart device for MIDI functionality and app integration.
- Audio Output: Connect to external speakers or amplifiers.
- Audio Input: Connect external audio sources (e.g., MP3 player) to play along.
- Headphone Output: For silent practice.

This video provides an overview of the STRICH SEP-150 digital piano's features, including its velocity-sensitive keys and various connectivity options.
Maintenance
- Cleaning: Use a soft, dry cloth to wipe down the piano's surface. Do not use abrasive cleaners or solvents.
- Storage: When not in use, cover the piano to protect it from dust. Store in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling: Always handle the piano with care. Avoid dropping or subjecting it to strong impacts.
- Power Adapter: Use only the provided power adapter. Disconnect the adapter from the outlet when not in use for extended periods.
- Disassembly: Do not attempt to disassemble the keyboard components. Refer to qualified service personnel for repairs.
Note: To ensure product integrity, reinforced packaging is used. Please check all packaging carefully for accessories and the manual before disposal.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No Sound | Power not connected, volume too low, headphones plugged in. | Ensure power adapter is securely connected. Increase volume. Unplug headphones if using speakers. |
| Sustain Pedal Not Working | Pedal not fully inserted, faulty pedal, selected tone does not support sustain. | Check pedal connection. Test with another tone. If issue persists, contact support. |
| Keys Feel Too Light/Heavy | Dynamic touch sensitivity setting. | Adjust the "SET UP/DYNAMIC" settings to your preference. |
| Accessories Missing | Items overlooked in packaging. | Carefully check all reinforced packaging materials before discarding. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | SEP-150 |
| Number of Keys | 88 |
| Key Type | Semi-Weighted, Touch-Sensitive |
| Tones | 900 |
| Rhythm Patterns | 700 |
| Polyphony | 128-bit |
| Speakers | 2 x 10W |
| Connectivity | USB 2.0, MIDI, Audio In/Out, 3.5mm Headphone Jack |
| Power Source | Corded Electric |
| Item Weight | 21.4 pounds (approx. 9.7 kg) |
| Package Dimensions | 55 x 17 x 6.2 inches |
Warranty & Support
For warranty information, technical support, or service inquiries, please refer to the contact details provided on the product packaging or visit the official STRICH website. Keep your purchase receipt as proof of purchase for warranty claims.





