220V Bluetooth HiFi Subwoofer Audio Amplifier Speaker USB TF MP3 FM Subwoofer Speaker Amplifier Board Car Accessories

Description

Functions:

● Plays MP3 music from TF cards, USB flash drives, and Bluetooth.

● Adjustable treble, bass, and master volume.

● Built-in Bluetooth receiver and FM radio function.

● Equipped with an AUX interface for connecting to computers/mobile phones/CD players.

● Supports AC 110-220V or DC 12-24V input voltage.

How to Connect via Bluetooth?

1. Press the “MODE” button to switch to Bluetooth mode.

2. Turn on your phone's Bluetooth, search for Bluetooth devices, and connect.

3. Once paired successfully, it is ready to use.

How to Use the Radio?

1. Hang up the radio antenna.

2. Press the "Mode" button to switch to radio mode.

3. Press the "Play" button to search for and save all channels.

4. Press the previous/next track button to switch songs.

Power Connection Instructions:

1. The DC12V/24V interface can be connected to a 12V-24V DC power supply with a current greater than 3A (batteries/power adapters can be used).

2. The AC110-220V interface can be connected to a 100V-240V AC power supply.

WARNING: Please select only one connection method!!!

Note:

Please turn the volume down before testing, and then slowly increase the volume after powering on.

-> If the sound is intermittent, hoarse, or distorted during volume increase, it indicates that the speaker and amplifier are incompatible. Please try using a speaker at a lower volume or replace it with a suitable speaker.