TPA3116 Subwoofer Amplifier Board 2.1 Channel High Power Bluetooth 4.2 Audio Amplifiers DC12V-24V 2*50W+100W Amplificado

Three types to choose please confirm the purchased option before placing an order Board CaseBoard OnlyCase OnlyProduct description 1 This is a DC powered 12 24V power supply using TI s TPA3116D2 high performance digital power amplifier chip as the core one to do parallel bridged bass channel power amplification output one to do left and right channel power amplification output support 100W bass channel 50W left channel 50W right channel three channel output 2 Support Bluetooth audio reception external audio input interface with a preamplifier bass crossover processing bass volume bass frequency left and right channel volume treble function control switch total volume 5 adjustment potentiometers 3 Wide working voltage energy saving design efficiency up to 90 You can use a good performance switching power supply laptop switching power supply you can also use a charging bottle or car power supply etc 4 The board is a finished board that has been soldered and tested Connect the speaker box according to the picture connect the appropriate power supply connect to the Bluetooth audio device to play or connect the sound source input correctly ​5 Bluetooth 4 2 version The main product parameters Size L W H 101 x 100 x 25mm excluding potentiometer and socket projectionOperating voltage range DC 11 25V current 3 4A or 19 24V 4 5A such as high power requirements 20 24V 8 9A above Note that the