SUPNIU A50 Portable Bluetooth Karaoke Machine

1. Product Overview

The SUPNIU A50 is a versatile portable Bluetooth karaoke machine designed for both kids and adults. It features powerful sound output, vibrant LED lights, and comes with two wireless microphones, making it ideal for home parties, family gatherings, and outdoor entertainment. It supports multiple audio input methods including Bluetooth, TF/SD card, USB flash drive, and AUX-in.

Image: The SUPNIU A50 Karaoke Machine, showing the main speaker unit with LED lights, two wireless microphones, and the remote control.

2. Package Contents

Please check the package carefully to ensure all items are present:

• 1 x A50 Bluetooth Speaker
• 2 x Wireless Microphones
• 1 x Remote Control (requires 2*AAA batteries, not included)
• 1 x AUX Cable
• 1 x USB Charging Cable
• 1 x User Manual

3. Features

• Portable Bluetooth Speaker with built-in Bluetooth 5.0 wireless transmission, working distance up to 100ft.
• Compatible with all Bluetooth devices such as smartphones and tablet PCs.
• Connects to personal computers, MP3/MP4 players, and other audio equipment via 3.5mm stereo audio output interface.
• Supports TF/SD Card music playback.
• Supports USB Flash Drive music playback.
• Supports AUX line-in connection.
• Supports FM radio with automatic or manual channel control.
• Features Digital Display and Intelligent Remote Control.
• Supports microphone connection for karaoke.
• Equipped with two 2.5-inch woofers and two 3-inch tweeters for exceptional sound quality.
• Acoustic colorful LED lights change color and dance to the rhythm of the music.
• Portable design with a carrying handle and a 4000mAh rechargeable battery for extended use.

4. Specifications

5. Setup

5.1 Initial Charging

Before first use, fully charge the A50 speaker and both wireless microphones. Use the provided USB charging cable. The speaker's digital display will indicate charging status. The microphones have an indicator light that will change when fully charged.

5.2 Microphone Pairing

The wireless microphones are designed to automatically pair with the speaker when both are powered on. Simply turn on the speaker and then turn on each microphone. They should connect automatically.

Image: Illustration of the two wireless microphones, highlighting their automatic connection feature and battery life (2-3 hours charging, 10-20 hours playing time).

6. Operating Instructions

6.1 Power On/Off

To power on the speaker, press and hold the power button located on the control panel. Repeat the action to power off. For microphones, use the power button on each microphone.

6.2 Bluetooth Connection

1. Turn on the A50 speaker. It will automatically enter Bluetooth pairing mode, indicated by a flashing 'BLUE' on the digital display.
2. On your smartphone or Bluetooth device, search for Bluetooth devices and select "A50" from the list.
3. Once connected, the 'BLUE' indicator will stop flashing and remain solid. You can now play audio from your device through the speaker.

6.3 Audio Playback Modes

The A50 supports various audio input modes. Use the 'MODE' button on the speaker or remote control to switch between modes:

• Bluetooth Mode: (Default) Connect wirelessly to your device.
• TF/SD Card Mode: Insert a TF or SD card into the designated slot. The speaker will automatically switch to this mode and begin playing audio files.
• USB Flash Drive Mode: Insert a USB flash drive into the USB port. The speaker will automatically switch to this mode and play audio files.
• AUX-in Mode: Connect an external audio device (e.g., MP3 player, computer) using the provided 3.5mm AUX cable. The speaker will switch to AUX mode.
• FM Radio Mode: Press the 'MODE' button until 'FM' appears on the display.

6.4 FM Radio Operation

1. In FM mode, press the 'Play/Pause' button once to automatically scan and save available radio stations.
2. Use the 'Previous/Next' buttons to navigate between saved stations.

6.5 Microphone Usage

Once the wireless microphones are paired:

• Microphone Volume: Use the 'MIC VOL' knob on the speaker or the volume buttons on the microphone itself to adjust the microphone's output volume.
• Echo Effect: Use the 'ECHO' knob on the speaker or the echo button on the microphone to add or reduce echo effect for singing.
• Ensure the microphone is held close enough to your mouth for optimal sound pickup.

6.6 LED Lights Control

The A50 features dynamic LED lights. Use the 'LIGHT' button on the speaker's control panel or the remote control to cycle through different lighting modes or turn the lights off.

Image: The SUPNIU A50 Karaoke Machine showcasing its LED lights in different color patterns, illustrating the

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