Introduction
This manual provides essential instructions for the safe and efficient use of your Trevi XFest XF 4400 DJ Speaker. Please read this manual thoroughly before operating the device and retain it for future reference.
Package Contents
Verify that all items listed below are included in your package:
- Trevi XFest XF 4400 DJ Speaker
- Power Cable
- Microphone
- Antenna Cable
- Remote Control
- 3.5mm Jack Cable
- User Manual (this document)

Figure 1: Package Contents. Includes the XF 4400 DJ speaker, full control remote with cables, and a multilingual user manual.
Setup
Unpacking and Placement
- Carefully remove the speaker and all accessories from the packaging.
- Place the speaker on a stable, flat surface. Ensure adequate ventilation around the unit.
- The speaker is designed for floor placement.
Power Connection
- Connect the provided power cable to the AC input on the rear of the speaker.
- Plug the other end of the power cable into a standard electrical outlet (100-240V~50/60Hz).
- Press the power button on the control panel or remote to turn on the speaker.
Connecting Audio Sources
The Trevi XF 4400 DJ speaker supports multiple audio input methods:
- Bluetooth: Enable Bluetooth on your device (smartphone, tablet, etc.) and select "Trevi XF 4400 DJ" from the list of available devices to pair.
- USB: Insert a USB drive containing MP3 audio files into the USB port. The speaker will automatically detect and play the files.
- AUX-IN: Use the 3.5mm jack cable to connect external audio devices (e.g., MP3 player, computer) to the AUX-IN port.
- Microphone: Connect the included dynamic microphone to one of the two microphone input jacks. Adjust microphone volume and echo using the dedicated controls.

Figure 2: Control Panel. Shows the input selection, volume controls, and various connectivity options.
Operation
Basic Controls
The speaker can be controlled via the top panel or the remote control.
- Power Button: Turns the unit on or off.
- Input Selector: Switches between USB, AUX, Bluetooth, and FM radio modes.
- Volume Control: Adjusts the master volume.
- Microphone Volume/Echo: Dedicated knobs for microphone volume and echo effect.
- EQ: Equalizer settings to adjust bass and treble.
- Play/Pause, Next/Previous: Standard media playback controls.
- Light Button: Toggles the Discolight feature.

Figure 3: Remote Control. Provides full control over speaker functions from a distance.
Karaoke Function
Connect a microphone to one of the MIC inputs. Adjust the microphone volume and echo effect to enhance your vocal performance. The integrated Discolight will synchronize with the music, creating an engaging atmosphere.

Figure 4: Karaoke Party with DJ Set. Illustrates the use of microphone inputs and integrated Disco Light for entertainment.
True Wireless Stereo (TWS) Function
To achieve a more immersive stereo sound, you can connect two Trevi XF 4400 DJ speakers wirelessly using the TWS function. Follow these steps:
- Ensure both speakers are powered on and not connected to any Bluetooth device.
- Press and hold the TWS button on one speaker until you hear a confirmation tone. This speaker will become the primary unit.
- Repeat the process on the second speaker. It will automatically search for and connect to the primary speaker.
- Once connected, pair your Bluetooth device to the primary speaker. Audio will now play in stereo through both units.

Figure 5: Automatic Mix from Two Sources. Demonstrates the speaker's capability for versatile playback and TWS connection.
Mixing from Dual Sources
The integrated mixer allows for seamless transitions between two independent audio sources (A and B). Use the digital selector to switch between USB and AUX-IN for each source, enabling continuous music playback or DJ-style mixing.
Maintenance
Cleaning
- Always unplug the speaker from the power outlet before cleaning.
- Use a soft, dry cloth to wipe the exterior surfaces.
- Do not use liquid cleaners, aerosols, or abrasive chemicals, as these may damage the finish.
- Keep the speaker free from dust and debris to ensure optimal performance.
Storage
When not in use for extended periods, store the speaker in a cool, dry place, away from direct sunlight and extreme temperatures. It is recommended to use the original packaging for storage to protect the unit.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cable not connected; Power outlet not active. | Ensure power cable is securely connected. Check if the power outlet is working. |
| No sound | Volume too low; Incorrect input selected; Audio source not playing. | Increase volume. Select the correct input source. Ensure the audio source is playing. |
| Bluetooth not pairing | Speaker not in pairing mode; Device too far; Bluetooth disabled on source. | Ensure speaker is in Bluetooth mode. Keep devices within range. Enable Bluetooth on your device. |
| Microphone not working | Microphone not connected; Microphone volume too low. | Connect microphone securely. Increase microphone volume. |
| TWS connection failure | Speakers not in TWS pairing mode; Already connected to another device. | Ensure both speakers are in TWS pairing mode and not connected to other Bluetooth devices. |
Specifications
| Feature | Detail |
|---|---|
| Brand | Trevi |
| Model Name | XF 4400 DJ |
| Speaker Type | Portable Speaker, Floor-standing |
| Connectivity Technology | Bluetooth, AUX, USB |
| Max Output Power | 500 Watts |
| Audio Output Mode | Stereo |
| Input Voltage | 100-240V~50/60Hz (AC) |
| Woofer Diameter | 12 Inches |
| Midrange Driver | 8 Inches |
| Tweeter Driver | 3 Inches |
| Control Method | Remote |
| Special Features | Dolby Enabled, Bass Boost, Hi-Res Audio, Karaoke Function, TWS, Discolight |
| Dimensions (DxWxH) | 42P x 40.5l x 108H cm |
| Item Weight | 27.6 Kilograms |
Warranty and Support
Warranty Information
This product comes with a 24-month manufacturer's warranty. Please retain your proof of purchase for warranty claims. The warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.
Customer Support
For technical assistance, troubleshooting, or warranty inquiries, please contact Trevi customer support. Refer to the official Trevi website or the contact information provided in your product packaging for the most up-to-date support details.
You can visit the official Trevi store for more information: Trevi Official Store
Safety Information
- Do not expose the speaker to water or excessive moisture.
- Do not block ventilation openings.
- Do not place near heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Only use attachments/accessories specified by the manufacturer.
- Unplug this apparatus during lightning storms or when unused for long periods of time.
- Refer all servicing to qualified service personnel.







