SUPNIU A25 Portable Bluetooth Speaker Instruction Manual

1. Introduction

Thank you for purchasing the SUPNIU A25 Portable Bluetooth Speaker. This manual provides essential information for the safe and efficient operation of your device. Please read it thoroughly before use and retain it for future reference.

The SUPNIU A25 is designed to deliver rich, powerful sound with deep bass, making it suitable for various environments, from home use to outdoor gatherings. It features advanced Bluetooth 5.0 connectivity, multiple input options, and a long-lasting battery.

2. Package Contents

Please check the package for the following items:

• 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

Image: Package contents including the A25 speaker, remote, AUX cable, USB cable, and user manual.

3. Product Overview and Features

The SUPNIU A25 speaker is equipped with a robust audio system and versatile connectivity options.

Key Features:

• Powerful Audio Output: 40W (60W peak) with dual woofers and dual tweeters for rich, clear sound and heavy bass.
• Bluetooth 5.0: Stable wireless connection up to 100 feet for seamless audio streaming.
• Multiple Playback Modes: Supports Bluetooth, AUX-in, USB flash drive, and TF/SD card playback.
• Integrated Controls: Digital display, volume, bass, treble, and microphone echo/volume tuning.
• Long-lasting Battery: Built-in 8000mAh rechargeable battery provides up to 10 hours of playtime (at 50% volume).
• Portability: Features a convenient handle for easy transport.
• Phone Stand: Integrated stand on top for mobile phones and tablets.
• Karaoke Function: Microphone input for karaoke use.

Image: Internal speaker configuration highlighting the dual woofers and dual tweeters for enhanced sound.

Image: The multi-functional speaker with a phone stand, illustrating various input options like microphone, TF card, AUX, and USB.

4. Setup

4.1 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 5V-1A USB power adapter (not included). The charging indicator will illuminate. A full charge typically takes 2-4 hours.

4.2 Remote Control Battery Installation

The remote control requires 2 AAA batteries (not included). Open the battery compartment on the back of the remote and insert the batteries, ensuring correct polarity.

4.3 Powering On/Off

Locate the power switch on the speaker. Slide it to the "ON" position to power on the device. Slide it to "OFF" to power off.

5. Operating Instructions

5.1 Controls Overview

Image: Front control panel with digital display, master volume knob, and mode selection buttons.

• Master Volume Knob: Rotate to adjust the overall volume.
• Mode Button: Press to cycle through Bluetooth, AUX, USB, TF Card, and FM Radio modes.
• Play/Pause Button: Press to play or pause audio.
• Previous/Next Track Buttons: Press to skip tracks.
• EQ Button: Press to cycle through different equalizer presets.
• Bass/Treble Knobs: Adjust bass and treble levels (located on the side/rear, or via remote).
• Microphone Volume/Echo Knobs: Adjust microphone volume and echo effect (if applicable, usually on the side/rear or remote).

Image: Detailed view of the five tuning controls available on the speaker for sound customization.

5.2 Bluetooth Mode

1. Power on the speaker. It will automatically enter Bluetooth pairing mode, indicated by a flashing "BLUE" on the display.
2. On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
3. Select "SUPNIU A25" from the list. Once connected, the speaker will emit a confirmation sound, and "BLUE" will stop flashing.
4. You can now play audio from your device through the speaker. Use the speaker's controls or your device's controls to manage playback and volume.

5.3 AUX-in Mode

Connect one end of the supplied 3.5mm AUX cable to the speaker's AUX-in port and the other end to the audio output jack of your external device (e.g., PC, TV, MP3 player). The speaker will automatically switch to AUX mode, or you may need to press the Mode button to select AUX.

5.4 USB/TF Card Playback

Insert a USB flash drive or a TF/SD card into the corresponding port on the speaker. The speaker will automatically detect the storage device and begin playing audio files. Use the Play/Pause and Previous/Next buttons to control playback.

5.5 Microphone Connection (Karaoke)

Connect a microphone (not included) to the microphone input port on the speaker. Adjust the microphone volume and echo effect using the dedicated knobs or remote control for karaoke functionality.

5.6 EQ Sound Effects

The speaker offers various EQ sound effects to optimize your listening experience. Press the EQ button on the speaker or remote control to cycle through available presets (e.g., Jazz, Pop, Rock, Classical, Country, Normal). Each preset adjusts the audio frequencies for different music genres.

Image: Visual representation of different EQ sound effects suitable for various music genres.

6. Maintenance

6.1 Cleaning

Wipe the speaker with a soft, dry cloth. Do not use abrasive cleaners, waxes, or solvents as they may damage the finish. Avoid exposing the speaker to water or excessive moisture.

6.2 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 charge the battery at least once every three months to maintain its lifespan.

6.3 Battery Care

To prolong battery life, avoid fully discharging the speaker frequently. Charge the speaker when the battery low indicator appears. Do not attempt to replace the internal battery yourself.

7. Troubleshooting

• No Power:
  • Ensure the speaker is charged. Connect the USB charging cable and allow it to charge for a few minutes before attempting to power on.
  • Check if the power switch is in the "ON" position.
• No Sound:
  • Increase the volume on both the speaker and your connected device.
  • Ensure the correct input mode (Bluetooth, AUX, USB, TF) is selected.
  • If using Bluetooth, ensure the device is properly paired and connected.
  • If using AUX, check the cable connection and ensure it is fully inserted.
• Bluetooth Disconnection/Cannot Pair:
  • Ensure the speaker is within the 10-meter (33 feet) Bluetooth range of your device.
  • Move the speaker and your device away from other electronic devices that may cause interference.
  • Turn off Bluetooth on your device, then turn it back on and try pairing again.
  • Restart both the speaker and your device.
  • Clear the "SUPNIU A25" from your device's Bluetooth history and attempt to pair again.
• Remote Control Not Working:
  • Check if the AAA batteries are inserted correctly and are not depleted. Replace if necessary.
  • Ensure there are no obstructions between the remote control and the speaker's IR receiver.

8. Specifications

9. Warranty and Support

This product comes with a standard manufacturer's warranty. For specific warranty details and return policies, please refer to the documentation provided at the time of purchase or contact your retailer.

For technical support or inquiries, please contact SUPNIU customer service through the contact information provided on the product packaging or the official SUPNIU website.

Note: The warranty does not cover damage caused by misuse, accident, modification, or unauthorized repair.