SUPNIU A25 Bluetooth Speaker User Manual

Introduction

The SUPNIU A25 Bluetooth Speaker is a portable audio device designed for versatile use, offering powerful sound with deep bass. It features advanced Bluetooth 5.0 connectivity, multiple playback options, and a long-lasting 8000mAh battery, making it suitable for both indoor and outdoor environments.

Package Contents

1 x SUPNIU A25 Bluetooth Speaker
1 x Remote Control (requires 2 AAA batteries, not included)
1 x AUX Cable
1 x USB Charging Cable
1 x User Manual

Product Overview

SUPNIU A25 Bluetooth Speaker with Remote Control — **Figure 1:** SUPNIU A25 Bluetooth Speaker and Remote Control. This image shows the main speaker unit alongside its dedicated remote control, highlighting the wireless operation capability.

**Figure 2:** SUPNIU A25 Speaker with 8000mAh Battery and Tuning Controls. The image emphasizes the speaker's long battery life (10 hours playtime) and the presence of five tuning controls for master volume, bass, treble, microphone echo, and microphone volume.

**Figure 3:** Multi-functional SUPNIU A25 Speaker with Phone Stand and Multiple Inputs. This view highlights the integrated phone/tablet stand on top and icons representing supported features like HD Mic, Microphone input, FM Radio, TF Card Play, AUX Play, and USB Play.

**Figure 4:** SUPNIU A25 Bluetooth Connectivity and Range. The image illustrates the speaker's Bluetooth support, showing a smartphone connected wirelessly, emphasizing stable transmission and a 100ft distance display.

**Figure 5:** SUPNIU A25 Digital Display and Remote Control. This image focuses on the speaker's digital display and the intelligent remote control, indicating ease of use and control over various functions.

**Figure 6:** SUPNIU A25 Speaker in Various Usage Scenarios. This collage demonstrates the speaker's versatility, showing it used for street dance, in an office setting, at a party, and during outdoor travel.

**Figure 7:** SUPNIU A25 Heavy Bass Guide Tube Design. A rear view of the speaker highlighting its heavy bass guide tube design, which contributes to its powerful audio output.

Setup

1. Charging the Speaker

Before first use, fully charge the speaker. Connect the supplied USB charging cable to the speaker's charging port and the other end to a compatible USB power adapter (DC 5V-1A recommended). A full charge typically takes approximately 2 to 4 hours. The battery indicator on the speaker will show charging status.

2. Inserting Remote Control Batteries

The remote control requires 2 AAA batteries (not included). Open the battery compartment on the back of the remote control, insert the batteries according to the polarity markings, and close the compartment securely.

3. Powering On/Off

Locate the power button on the speaker. Press and hold the button for a few seconds to turn the speaker on or off. A voice prompt or indicator light will confirm the power status.

Operating Instructions

1. Bluetooth Pairing

Turn on the SUPNIU A25 speaker. It will automatically enter Bluetooth pairing mode, indicated by a flashing Bluetooth icon or voice prompt.
On your device (smartphone, tablet, PC), enable Bluetooth and search for available devices.
Select "SUPNIU A25" from the list of found devices.
Once paired, the speaker will confirm the connection, and the Bluetooth indicator will become solid.
The speaker supports Bluetooth 5.0 for a stable connection up to 100 feet (30.5 meters) in an obstacle-free environment.

2. FM Radio Mode

Press the "Mode" button on the speaker or remote control to switch to FM Radio mode.
To automatically search and save available stations, long-press the "Play/Pause" button. The speaker will scan and store stations.
Use the "Previous/Next" buttons to navigate through saved stations.
Alternatively, use the numeric keypad on the remote control to manually enter a specific radio frequency.

3. TF/SD Card Playback

Insert a TF (Micro SD) card containing MP3 music files into the designated TF card slot on the speaker. The speaker will automatically switch to TF card mode and begin playing music.

4. USB Playback

Insert a USB flash drive containing MP3 music files into the USB port. The speaker will automatically switch to USB mode and begin playing music.

5. AUX Line-in Mode

Connect one end of the supplied 3.5mm AUX cable to the speaker's AUX input port and the other end to the audio output jack of your external device (e.g., MP3 player, computer, TV). The speaker will automatically switch to AUX mode.

6. Microphone Connection (Karaoke Function)

Connect a microphone (not included) to the microphone input port on the speaker. You can then use the speaker for karaoke or public speaking. Adjust microphone volume and echo using the dedicated tuning controls on the speaker.

7. Audio Controls

Volume Control: Use the master volume knob on the speaker or the volume buttons on the remote control to adjust the overall playback volume.
Bass & Treble Adjustment: The speaker features dedicated knobs for adjusting bass and treble levels, allowing you to customize the sound profile to your preference.
Equalizer (EQ): The speaker supports various equalizer presets (e.g., Rock, Soft, Pop) which can be selected via the remote control to enhance different music genres.

Maintenance

Cleaning: Use a soft, dry cloth to clean the speaker's exterior. Do not use abrasive cleaners, waxes, 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, avoid fully discharging the battery frequently. Charge the speaker regularly, even if not in active use.
Water Resistance: While the speaker is indicated as waterproof, avoid submerging it in water or exposing it to heavy rain for prolonged periods. Ensure all ports are securely covered if applicable.

Troubleshooting

Problem	Possible Cause	Solution
Speaker does not power on.	Low battery; Power button not pressed correctly.	Charge the speaker fully. Press and hold the power button for 3-5 seconds.
No sound from speaker.	Volume too low; Incorrect mode selected; Device not connected properly.	Increase volume. Ensure correct input mode (Bluetooth, AUX, TF, USB). Reconnect device.
Bluetooth connection unstable or fails.	Speaker too far from device; Interference; Device Bluetooth issue.	Move speaker closer to device (within 100ft). Avoid obstacles. Restart speaker and device's Bluetooth.
Remote control not working.	Batteries dead or incorrectly inserted; Obstruction between remote and speaker.	Replace AAA batteries. Ensure clear line of sight to the speaker's IR receiver.

Specifications

Feature	Detail
Product Type	Portable Bluetooth Speaker
Model Number	A25
Speaker Output Power	40W (Peak 60W)
Speaker Configuration	2 x 15W + 2 x 5W drivers
Frequency Response	60Hz - 20kHz
Bluetooth Version	Bluetooth 5.0
Wireless Range	Up to 100 feet (30.5 meters)
Battery Capacity	8000 mAh
Playtime	Approx. 6-10 hours (varies with volume)
Charging Time	Approx. 2-4 hours
Input Voltage	DC 5V-1A
Product Dimensions (L x W x H)	12.7 x 20.3 x 24.1 cm (5 x 8 x 9.5 inches)
Weight	1.7 Kilograms (3.75 lbs)
Connectivity Options	Bluetooth, TF/SD Card, USB, AUX Line-in, FM Radio, Microphone Input
Waterproof	Yes
Compatible Devices	Smartphones, Tablets, PCs, MP3/MP4 Players, TVs

Warranty and Support

For any issues or inquiries regarding your SUPNIU A25 Bluetooth Speaker, please contact our customer support. We are committed to providing 100% quality service and will respond to your concerns within 12 hours to assist you in resolving any problems.

Please refer to the contact information provided on the product packaging or the official SUPNIU website for the most up-to-date support channels.

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SUPNIU A25