1. Introduction
Thank you for choosing the Bontempi SonicSync Wireless Amplifier with Dual Microphones. This device is designed to amplify sound and provide an engaging musical experience with wireless freedom. This manual provides essential information for the safe and effective use of your amplifier.
The Bontempi SonicSync amplifier features wireless connectivity, two microphones with echo effects, light effects, and intuitive controls for adjusting music and microphone volume. It is compatible with Bluetooth-enabled devices such as smartphones, tablets, laptops, and PCs, and also includes an MP3 cable for wired connections.
2. Safety Warnings
- This product is recommended for ages 3 years and up. Adult supervision is advised for younger children.
- Do not expose the device to water or excessive moisture.
- Do not attempt to disassemble or modify the amplifier. This may cause damage and void the warranty.
- Use only the specified battery type and ensure correct polarity during installation.
- Remove batteries if the device will not be used for an extended period.
- Keep microphones away from the amplifier speaker to prevent feedback.
3. Product Overview
The Bontempi SonicSync Wireless Amplifier is a portable unit designed for musical entertainment. It includes the main amplifier unit and two wired microphones.

Figure 3.1: Bontempi SonicSync Wireless Amplifier with two wired microphones.
3.1. Amplifier Controls and Ports
Familiarize yourself with the various controls and connection points on your amplifier unit.

Figure 3.2: Detailed view of the amplifier's control panel.
- MIC 1 Input: Port for connecting the first microphone.
- MP3 Input: 3.5mm jack for connecting external audio devices via MP3 cable.
- MIC 2 Input: Port for connecting the second microphone.
- ON/OFF Switch: Power switch for the amplifier.
- Music Volume Knob: Adjusts the volume of connected music sources (Bluetooth, MP3).
- Mic Volume Knob: Adjusts the volume of the connected microphones.
- Light Effects: Integrated lights that activate during use.
4. Setup
4.1. Battery Installation
The Bontempi SonicSync amplifier is battery-powered. Batteries are not included and must be purchased separately.
- Locate the battery compartment on the back or bottom of the amplifier unit.
- Open the battery compartment cover.
- Insert the required batteries (e.g., AA or C, refer to the compartment label for exact type and quantity) ensuring correct polarity (+/-).
- Close the battery compartment cover securely.
4.2. Connecting Microphones
The amplifier comes with two wired microphones.
- Plug the cable of the first microphone into the MIC 1 Input port on the amplifier.
- Plug the cable of the second microphone into the MIC 2 Input port on the amplifier.
5. Operation
5.1. Powering On/Off
To turn the amplifier on, slide the ON/OFF Switch to the 'ON' position. To turn it off, slide the switch to the 'OFF' position.
5.2. Connecting via Bluetooth
The amplifier supports Bluetooth connectivity for wireless audio streaming.
- Ensure the amplifier is powered on.
- Activate Bluetooth on your external device (smartphone, tablet, PC).
- Search for available Bluetooth devices. The amplifier should appear as "Bontempi SonicSync" or a similar name.
- Select the amplifier from the list to pair. A confirmation sound may indicate successful pairing.
- Once connected, you can play music from your device, and the audio will be amplified through the SonicSync.
5.3. Connecting via MP3 Cable
For devices without Bluetooth or for a wired connection, use the included MP3 cable.
- Connect one end of the MP3 cable (3.5mm jack) to the MP3 Input port on the amplifier.
- Connect the other end of the MP3 cable to the headphone jack or audio output of your external device.
- Play music from your device. The audio will be amplified through the SonicSync.
5.4. Adjusting Volume
- Music Volume: Use the Music Volume Knob to increase or decrease the volume of the background music from your connected device.
- Mic Volume: Use the Mic Volume Knob to increase or decrease the volume of your voice through the microphones.
5.5. Using Microphones and Effects
Speak or sing into the connected microphones. The amplifier provides echo effects to enhance the vocal performance. The integrated light effects will also activate during use, adding to the experience.
6. Maintenance
- Clean the amplifier and microphones with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Keep the device free from dust and debris.
- Store the amplifier in a cool, dry place when not in use.
- Ensure microphones are stored safely to prevent damage to their cables or heads.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Amplifier does not turn on. | No batteries, dead batteries, or incorrect battery installation. | Check battery installation, replace with fresh batteries. |
| No sound from microphones. | Microphones not connected, Mic Volume knob too low, or microphone faulty. | Ensure microphones are securely plugged in. Increase Mic Volume. Test with another microphone if available. |
| No music from connected device. | Music Volume knob too low, device not paired (Bluetooth), or cable not connected (MP3). | Increase Music Volume. Re-pair Bluetooth device. Check MP3 cable connection. Ensure music is playing on the source device. |
| Poor sound quality or feedback. | Microphone too close to speaker, or volume levels too high. | Move microphones further from the amplifier speaker. Reduce Mic Volume or Music Volume. |
| Bluetooth connection issues. | Device too far, interference, or amplifier not in pairing mode. | Ensure device is within range (approx. 10 meters). Turn amplifier off and on again. Disconnect and re-pair Bluetooth on your device. |
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | 486000 |
| Brand | Bontempi |
| Dimensions | 280x260x70 mm (approximate) |
| Connectivity Technology | Bluetooth, 3.5mm Jack |
| Power Source | Battery Powered (Batteries not included) |
| Number of Microphones | 2 (Wired) |
| Audio Input | Wired and Wireless Microphones, MP3 (3.5mm Jack) |
| Material | Plastic |
| Recommended Age | 3 years and up |
| UPC | 047663366746 |
9. Warranty and Support
For warranty information and customer support, please refer to the documentation included with your purchase or visit the official Bontempi website. Keep your proof of purchase for any warranty claims.
10. Official Product Videos
No official product videos from the seller were found for this item in the provided data.





