QFX PBX-BF25 - User Manual

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Summary

Panel Layout and Functions

LED Display and Charge Status

Displays function screen and charging status (Red=Charging, Green=Full).

Volume Knob and Sub-Menu Access

Controls master volume and allows access to sub-menus for EQ, Mic Volume, Reverb, etc.

Power;Input Toggle and Selection

Turns the unit ON/OFF and selects input sources like BT, LINE, USB, FM RADIO.

Playback Control and FM Scan

Plays/pauses tracks and initiates FM station auto-scan when held.

Power Supply and USB Output

Features DC 9V power input and a 5V 1A USB output for charging devices.

Track and Station Navigation

Allows switching between songs and FM stations (Previous/Next).

Microphone Inputs

Two 6.35mm TRS inputs for connecting microphones.

Line Input

A 3.5mm TRS input for connecting external audio devices.

Speaker Pro App Functions

Bluetooth Music Playback

Control music playback via Bluetooth, select songs, and return to the main page.

USB Card Playback

Play music from a USB drive, control playback, and view the track list.

LED Light Settings

Customize LED colors, brightness, and select from 12 preset light modes.

FM Radio Operation

Access FM radio, perform auto/manual scans, and tune frequencies.

Bluetooth Connection Management

Connect to the speaker via Bluetooth and manage connection settings.

Line Input Mute Function

Mute or unmute audio when using the line input source.

Equalizer and Microphone Settings

Adjust music/mic volume, EQ, reverb, delay, echo, and pitch settings.

MIC DSP Selection

Choose DSP modes (KTV, HALL, etc.) and adjust mic effects like reverb, echo, and pitch.

Summary

Panel Layout and Functions

LED Display and Charge Status

Displays function screen and charging status (Red=Charging, Green=Full).

Volume Knob and Sub-Menu Access

Controls master volume and allows access to sub-menus for EQ, Mic Volume, Reverb, etc.

Power;Input Toggle and Selection

Turns the unit ON/OFF and selects input sources like BT, LINE, USB, FM RADIO.

Playback Control and FM Scan

Plays/pauses tracks and initiates FM station auto-scan when held.

Power Supply and USB Output

Features DC 9V power input and a 5V 1A USB output for charging devices.

Track and Station Navigation

Allows switching between songs and FM stations (Previous/Next).

Microphone Inputs

Two 6.35mm TRS inputs for connecting microphones.

Line Input

A 3.5mm TRS input for connecting external audio devices.

Speaker Pro App Functions

Bluetooth Music Playback

Control music playback via Bluetooth, select songs, and return to the main page.

USB Card Playback

Play music from a USB drive, control playback, and view the track list.

LED Light Settings

Customize LED colors, brightness, and select from 12 preset light modes.

FM Radio Operation

Access FM radio, perform auto/manual scans, and tune frequencies.

Bluetooth Connection Management

Connect to the speaker via Bluetooth and manage connection settings.

Line Input Mute Function

Mute or unmute audio when using the line input source.

Equalizer and Microphone Settings

Adjust music/mic volume, EQ, reverb, delay, echo, and pitch settings.

MIC DSP Selection

Choose DSP modes (KTV, HALL, etc.) and adjust mic effects like reverb, echo, and pitch.

The PBX-BF25 is a portable battery speaker designed for versatile audio playback and performance. It features a robust set of functions, making it suitable for various entertainment and public address applications.

Function Description:

The PBX-BF25 offers comprehensive audio playback capabilities, including:

Speaker App Control: Allows for remote control and customization of speaker settings via a dedicated mobile application.
Bluetooth Player: Enables wireless audio streaming from Bluetooth-enabled devices.
FM Tuner: Provides access to FM radio stations.
USB Player: Supports audio playback from USB storage devices.
Line In: Offers a wired connection for external audio sources.
USB Output 5V1A: Functions as a power bank to charge external devices.
LED Display: Provides a visual interface for function selection and settings.
Light Party Lights: Incorporates dynamic lighting effects for an enhanced party atmosphere.
Digital 5 Band Graphic EQ: Allows for precise audio equalization.
Bass & Treble Control: Provides basic tone adjustments.
Microphone EQ: Offers equalization specifically for microphone inputs.
Microphone DSP (Digital Signal Processing): Includes advanced microphone effects such as:
- Pitch Shifter: Modifies the pitch of the vocal input.
- Voice Change Effect: Alters the vocal characteristics.
- Reverb: Adds a spacious, echoing effect.
- Delay: Creates a repeating echo effect.
- Echo: A general echo effect.
Portable Design with Rechargeable Lithium Battery: Ensures mobility and extended use without a constant power source.

Important Technical Specifications:

Power Output: 20W
Frequency Response: 45Hz-20KHz
Power Supply: DC 9V
USB Output: 5V 1A

Usage Features:

The PBX-BF25 is designed for user-friendly operation with both physical controls and app-based management.

Panel Layout & Functions:

LED Display (1): The primary screen for displaying current functions and settings.
VOLUME KNOB (2): Controls the master volume. Pressing it allows access to a sub-menu for modifying Bass and Treble EQ, Mic Volume, Reverb, Delay, and LED Light Settings.
POWER/INPUT (3): A multi-function button to turn the unit ON/OFF and toggle between input sources (BT, LINE, USB, FM RADIO).
PLAY/PAUSE (4): Controls playback for tracks. In FM mode, pressing and holding initiates an auto-scan for FM stations.
POWER SUPPLY (5): The DC 9V input for charging and powering the unit.
NEXT (6) / PREVI (7): Buttons for navigating tracks or FM stations.
USB OUTPUT (8): The USB port for charging external devices.
LED CHARGE STATUS (9): An indicator light (RED for charging, GREEN for full).
MIC1 (10) / MIC2 (11): 6.35mm TRS inputs for microphones.
LINE INPUT (12): 3.5mm TRS input for external audio sources.

Operating Modes:

POWER/INPUT: Press and hold to turn ON/OFF. Short press to cycle through BT, LINE, USB, and FM RADIO inputs.
VOLUME KNOB: Rotate to adjust volume. Press to access sub-menus for detailed audio and light settings.
PLAY/PAUSE: Press to play/pause. In FM mode, press and hold to auto-scan for stations.
PREVIOUS/NEXT: Used to switch songs or radio stations.
USB: Functions as both a USB player and a 5V 1A power bank.

FM Operation:

Toggle to FM Radio mode using the POWER/INPUT button.
Press and hold PLAY/PAUSE to auto-scan for stations.

Bluetooth Connectivity:

Select Bluetooth mode via the POWER/INPUT button.
Search for "PBX-BF25" on your mobile device and connect.
For advanced control, download the "Speaker Pro" app.

Speaker Pro App Features:

The "Speaker Pro" app provides extensive remote control and customization options:

Bluetooth Music Play:
- Access the Bluetooth Music play page.
- "Pick songs to play" allows selection of music from your device.
- "Done" returns to the Bluetooth Music play page.
USB Card Play:
- Access the USB Card play page when a USB is inserted.
- "Play" starts music from the current selection.
- Previous, Next, and Volume keys control playback.
- "List" returns to the USB list page; "Back" returns to the main page.
LED Light Settings:
- Access the LED Light Control page.
- Select colors from a color wheel.
- Adjust brightness using a slider.
- Choose from 12 preset light modes.
- "<" returns to the main page.
FM Radio Control:
- Access FM radio mode.
- "SCAN" initiates automatic station scanning.
- Manual scan using " " and " ".
- Digital TUNER dial adjusts frequencies between 87.5MHz and 108.0MHz.
Bluetooth Connection:
- Access the Bluetooth Control connection page.
- Click "Speaker Pro BLUE" to connect to the speaker.
Line Input - Mute:
- Access the Line Input page.
- Mute music playback.
- "Back" exits to the main page.
Equalizer and Mic Settings:
- Access the Sound Settings page.
- Adjust volume for Music and Microphone.
- Music Tab: Adjust volume or equalizer settings.
- Microphone Tab: Adjust mic volume, EQ, echo, and delay settings.
- Select Mic DSP reverb, delay, and pitch data.
MIC DSP Selection:
- Signal Processing Mode: Offers 5 DSP modes: KTV, HALL, CAVE, CONCERT, STADIUM.
- MIX VOLUME: BYPASS, EFFECT adjustment.
- ECHO: Attenuation control and Delay millisecond adjustment.
- REVERB: Adjust reverb size (DRYWET, WIDTH, ROOM, DAMPING).
- VOICE CHANGE: Pitch and format settings.
- PITCH SHIFTER: Changes the frequency pitch.
- HOWLING CONTROL: Four presets: FREQUENCY SHIFTER, HOWLING, PRECISE, MASSIVE.

Maintenance Features:

The device is designed for portability with a rechargeable lithium battery, implying ease of charging and use in various locations. The USB output for charging other devices adds to its utility, reducing the need for multiple power sources on the go. The "Speaker Pro" app, while primarily for control, also allows for easy adjustment of settings, potentially simplifying troubleshooting or optimization without direct physical interaction with the unit's smaller controls. The clear LED charge status indicator (RED for charging, GREEN for full) provides straightforward information about the battery's state, aiding in timely recharging and preventing unexpected power loss during use.