Universal Car Subwoofer 30W Hi-Fi Bass Power Amplifier Board With TF USB bluetooth Function

Notice: If you want to use the bluetooth function, then you need to add a bluetooth stick on the board. The switching function is useful only in 220V, DC state is invalid. Features: With breakpoint memory play function Support reading MP3 format file in TF card or U flash driver Support adjusting treble, bass and master volume independently Support DC 12V/24V or AC 110-220V voltage With AUX input, can be connect to PC, cell, DVD, CD, etc. Traditional hi-fi amplifier, rated power 30W, can be used together with 4 ohm speaker. Specifications: Voltage: DC 12V/24V or AC 110-220V voltage Mounting cutout: 70 x 57mm Overall size: 118 x 88 x 99mm Package includes: 1 x Amplifier board 1 x DC power line 1 x Remote control