Woopker Digital Amplifier Decoder Board 25-30W Bluetooth Audio Amplifier DIY USB FM Radio TF Player Subwoofer 110V 220V

Feature:

- Playing Mp3 music from TF-card, U-disk, Bluetooth.

- Adjustment of Treble, Bass and Master volume.

- Built-in Bluetooth Receiver and FM Radio Function.

- With AUX Port, can be connected to the PC / Phone / CD.

- Input Voltage AC 110-220V or DC 12-24V.

Specification:

Bluetooth Version: 2.1+EDR
Input Voltage: AC 110-220V
Working Voltage: 9-20V
Working Power: 25-30W
Codec: SBC
Impedance: 4Ω
Loudspeaker unit: 133mm
Sensitivity: 200hv
Frequency Response: 20-20000

How to Connect Bluetooth ?

1. Press ''MODE'' button to switch it to Bluetooth status.
2. Open phone Bluetooth, search the Bluetooth device and connect.
3. You can use it after pairing successfully.

How to use Radio ?

1. Hang up the Radio Antenna.
2. Press ''MODE'' button to switch it to the radio state.
3. Press the ''Play'' button to search the entire channel and save.
4. Press the previous / next track to switch to use.

TIPS: This is not professional radio, no good effect, pls understand!

Power Wiring Instruction :

1. The DC12V/24V Port can be connected to DC 12V-24V, the Current needs more than 3A (Available battery / power adapter).
2. The AC110-220V Port can be connected to AC 100V-240V.

Warning: Pls select only one connection method !!!

Notice:

Please turn off the small master volume before test, then increase the volume slowly after power-on.

-> If the sound is intermittent or hoarse and distorted during increasing the volume, it means the speaker and amplifier are not matched. Please use small sound or change a suitable one.