QFX PBX-311 Portable Bluetooth TWS Speaker User Manual

Introduction

Thank you for purchasing the QFX PBX-311 Portable Rechargeable Bluetooth TWS Speaker. This manual provides comprehensive instructions for the safe and efficient use of your new speaker. Please read this manual thoroughly before operating the device and retain it for future reference.

Image: Front view of the QFX PBX-311 Portable Bluetooth TWS Speaker, highlighting its dual 10-inch woofers and 1-inch tweeter with vibrant LED party lights. The speaker is black with a sturdy grille and a retractable handle visible at the top.

Safety Information

To ensure safe operation and prevent damage, please observe the following precautions:

• Do not expose the speaker to extreme temperatures, humidity, or direct sunlight.
• Avoid placing the speaker near heat sources or in areas with poor ventilation.
• Do not disassemble or modify the speaker. Refer all servicing to qualified personnel.
• Keep the speaker away from water and other liquids.
• Use only the provided power adapter for charging.
• Ensure proper ventilation when operating the speaker for extended periods.

Package Contents

Verify that all items are present in the package:

• QFX PBX-311 Portable Bluetooth TWS Speaker
• Microphone
• Remote Control
• Power Cord (AC 110V supply)
• AUX Cable
• User Manual (this document)

Product Overview: Controls and Ports

Familiarize yourself with the various controls and connection points on your PBX-311 speaker.

Image: Rear control panel of the QFX PBX-311 speaker. It features a digital display, main volume knob, buttons for power/input, TWS, and light control, along with Line In (AUX), USB, and microphone input ports. The AC power input is located at the bottom.

Control Panel Features:

• Display Screen: Shows current mode, volume level, and other indicators.
• Power/Input Button: Press to turn on/off or switch between input modes (Bluetooth, FM, USB, AUX).
• TWS Button: Initiates True Wireless Stereo pairing.
• Light Button: Controls the LED party lights modes.
• Main Volume Knob: Adjusts overall volume. Can also control Bass/Treble/Mic Volume depending on mode.
• Previous/Next Track Buttons: For media playback control.
• Play/Pause Button: For media playback control.
• Line In (AUX) Port: Connect external audio devices via the provided AUX cable.
• USB Port: Insert a USB drive for MP3 playback.
• Microphone Input: Connect the included microphone for karaoke or announcements.
• AC Power Input: For charging the speaker and powering it from a wall outlet.

Image: Bottom view of the QFX PBX-311 speaker, highlighting the integrated wheels for easy portability.

Image: Side view of the QFX PBX-311 speaker, illustrating the robust side handle designed for convenient lifting and transport.

Setup

1. Charging the Speaker

1. Connect the provided power cord to the AC Power Input port on the rear of the speaker.
2. Plug the other end of the power cord into a standard AC 110V wall outlet.
3. The charging indicator on the display will show the charging status. Allow sufficient time for a full charge before first use (approximately 6-8 hours).

2. Initial Power On

• Press and hold the Power/Input button to turn on the speaker.
• The speaker will announce the current mode (e.g., "Bluetooth Mode").

3. Bluetooth Connection (Single Speaker)

1. Ensure the speaker is in Bluetooth mode. If not, press the Power/Input button to cycle through modes until "Bluetooth Mode" is announced.
2. Enable Bluetooth on your mobile device (smartphone, tablet, etc.).
3. Search for "QFX PBX-311" in your device's Bluetooth settings and select it to pair.
4. Once successfully paired, the speaker will indicate a successful connection.

4. True Wireless Stereo (TWS) Pairing (Two PBX-311 Speakers)

TWS allows two PBX-311 speakers to connect wirelessly for a true stereo sound experience. Note: TWS is a Bluetooth-only feature and does not work with FM radio or USB/Micro-SD inputs.

1. Place both PBX-311 speakers within close proximity (e.g., 1-2 meters).
2. Turn on both speakers and ensure they are in Bluetooth mode.
3. On one of the speakers (this will be your primary speaker), press and hold the TWS button for a few seconds. The speaker will emit a pairing tone.
4. The primary speaker will automatically search for and connect to the second speaker. Once connected, both speakers will announce "TWS Connected" or similar.
5. Now, connect your mobile device to the primary speaker via Bluetooth as described in step 3 above. Audio will play through both speakers in stereo.

5. Connecting via AUX Input

• Connect one end of the provided AUX cable to the Line In (AUX) port on the speaker.
• Connect the other end of the AUX cable to the audio output (headphone jack) of your external device.
• Press the Power/Input button to switch the speaker to AUX mode.

6. Connecting via USB Input

• Insert a USB flash drive containing MP3 audio files into the USB Port on the speaker.
• The speaker will automatically switch to USB mode and begin playing the first compatible audio file. If not, press the Power/Input button to select USB mode.

7. Microphone Connection

• Plug the included microphone into the Microphone Input port on the speaker.
• Adjust the microphone volume using the main volume knob or dedicated microphone volume control if available (refer to the display for options).

Operating Instructions

Basic Audio Playback

• Volume Control: Rotate the Main Volume Knob to increase or decrease the overall volume.
• Mode Selection: Press the Power/Input button repeatedly to cycle through available modes: Bluetooth, FM Radio, USB, AUX.
• Track Navigation (Bluetooth/USB): Use the Previous/Next Track buttons to skip between songs.
• Play/Pause: Press the Play/Pause button to pause or resume playback.

FM Radio Operation

1. Switch the speaker to FM Radio mode using the Power/Input button.
2. Press and hold the Play/Pause button to initiate an automatic scan for available FM stations. The speaker will save found stations.
3. Use the Previous/Next Track buttons to navigate through the saved FM stations.

LED Party Lights Control

• Press the Light button to cycle through different LED light modes and patterns.
• Continue pressing the button to turn the lights off or select your preferred mode.

Using the Speaker Pro App

The QFX PBX-311 speaker is compatible with a dedicated Speaker Pro app for enhanced control. Refer to the app's instructions for detailed features, which may include EQ adjustments, light control, and mode selection directly from your smartphone.

Maintenance

• Cleaning: Use a soft, dry cloth to clean the exterior of the speaker. Do not use abrasive cleaners or solvents.
• Storage: When not in use for extended periods, store the speaker in a cool, dry place, away from direct sunlight and extreme temperatures.
• Battery Care: To prolong battery life, fully charge the speaker before storing it for long periods. Recharge the battery at least once every three months if not in regular use.

Troubleshooting

Specifications

Warranty and Support

For warranty information and technical support, please refer to the warranty card included with your product or visit the official QFX website. You may also contact QFX customer service for assistance with product operation or troubleshooting beyond the scope of this manual.

QFX Official Website: www.qfxusa.com