Bontempi 154900
Bontempi 15 4900 49-Key Digital Keyboard User Manual
Model: 154900
Important Safety Information
WARNING: Not suitable for children under 5 years of age.
Please read all safety instructions carefully before using the product. Keep this manual for future reference.
- Do not expose the keyboard to water or excessive moisture.
- Avoid placing the keyboard near heat sources.
- Use only the provided power adapter or specified batteries.
- Ensure proper ventilation around the device.
- Do not attempt to disassemble or modify the keyboard.
Product Overview
The Bontempi 15 4900 is a 49-key digital keyboard designed for musical exploration. It features a variety of sounds, rhythms, and pre-recorded songs, along with USB connectivity for MP3 playback.
Key Features:
- 100 selectable sounds
- 100 selectable rhythms with easy chord management
- 10 pre-recorded songs
- "Any Key Play" function
- USB socket for MP3 playback
- Power adapter included
- Microphone input (microphone not included)
- Operates with 4 x 1.5V R6/AA batteries (not supplied) or included power adapter
Setup
1. Powering the Keyboard
The keyboard can be powered in two ways:
- Using the AC Adapter: Connect the included power adapter to the DC IN socket on the back of the keyboard and then plug it into a standard wall outlet.
- Using Batteries: Open the battery compartment on the underside of the keyboard. Insert 4 x 1.5V R6/AA batteries (not supplied), ensuring correct polarity (+/-). Close the battery compartment securely.

Image: The Bontempi 15 4900 keyboard showing the included power adapter and the USB socket for external devices.
2. Connecting a Microphone (Optional)
A condenser microphone (not supplied) can be connected to the dedicated microphone input jack on the keyboard. This allows for singing along while playing.
3. Connecting a USB Device (Optional)
Insert a USB flash drive containing MP3 audio files into the USB socket. This enables playback of your favorite songs through the keyboard's speakers.
Operating Instructions

Image: Close-up of the Bontempi 15 4900 keyboard's control panel, showing buttons for sounds, rhythms, songs, recording, and playback.
1. Power On/Off
Press the POWER button to turn the keyboard on or off.
2. Adjusting Volume
Use the VOLUME +/- buttons to increase or decrease the overall sound level.
3. Selecting Sounds (Tones)
Press the SOUNDS button. Use the number keys (0-9) to select one of the 100 available instrument sounds. The selected sound number will be displayed on the screen.
4. Selecting Rhythms
Press the RHYTHMS button. Use the number keys (0-9) to select one of the 100 available rhythm patterns. Press START/STOP to begin or end the rhythm.
Rhythm Controls:
- SYNC: Synchronizes the rhythm start with the first key press.
- FILL IN: Adds a short drum fill to the current rhythm.
- CHORD: Activates easy chord play.
- SINGLE/FINGER: Selects single-finger or fingered chord mode.
5. Playing Pre-recorded Songs (Demos)
Press the DEMO SONGS button. Use the number keys to select one of the 10 pre-recorded demonstration songs. Press PLAY/PAUSE to start or pause the song. Press DEMO ALL to play all demo songs consecutively.
Any Key Play Function:
When a demo song is playing, activate the ANY KEY PLAY function. You can then press any key on the keyboard to advance the melody of the song, allowing for simplified play-along.
6. USB MP3 Playback
With a USB flash drive inserted into the USB socket, press the USB button. Use the PREV/NEXT buttons to navigate through MP3 files. Press PLAY/PAUSE to control playback.
7. Recording and Playback
The keyboard allows you to record your performances.
- Press the RECORD button to start recording. The record indicator will light up.
- Play your desired melody or chords on the keyboard.
- Press PLAY to stop recording and play back your recorded performance.
8. Sustain and Vibrato
Press the SUSTAIN button to add a lingering effect to the notes. Press the VIBRATO button to add a wavering effect to the notes.
Maintenance
Cleaning:
Wipe the keyboard with a soft, dry cloth. Do not use abrasive cleaners, solvents, or waxes, as these can damage the finish. For stubborn dirt, a slightly damp cloth can be used, followed by a dry cloth.
Storage:
When not in use, store the keyboard in a cool, dry place away from direct sunlight and extreme temperatures. If storing for an extended period, remove the batteries to prevent leakage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound |
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| Distorted sound |
|
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| USB MP3 playback not working |
|
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Specifications
| Feature | Detail |
|---|---|
| Brand | Bontempi |
| Model Name | Organo (Model 154900) |
| Number of Keys | 49 |
| Color | Grey |
| Sounds | 100 |
| Rhythms | 100 |
| Pre-recorded Songs | 10 |
| Special Features | Portable, Any Key Play, USB MP3 Playback |
| Connectivity Technology | USB |
| Power Source | 4 x 1.5V R6/AA batteries (not supplied) or AC adapter (included) |
| Dimensions (D x W x H) | Approx. 7.2 x 17.2 x 57 cm |
| Included Components | 1 x Keyboard, 1 x Power Adapter |
| Age Recommendation | Not suitable for children under 5 years |
Warranty and Support
This product comes with a 2-year manufacturer's warranty from the date of purchase. Please retain your proof of purchase for warranty claims.
For technical support or warranty inquiries, please contact Bontempi customer service through their official channels. Refer to the product packaging or Bontempi's official website for contact details.
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