DC12-24V TPA3116D2 bluetooth 5.0 High Power 2.0 Digital Professional Power Amplifier Board with Volume Adjustment

Features 1 This is a DC12 24V single power supply using TI s TPA3116D2 high performance digital power amplifier chip as the core can support 50W left channel 50W right channel dual channel output 2 Support Bluetooth audio receiver with an external audio input interface bass midrange high pitch tri tone tone potentiometer function control switch volume adjustment potentiometer 3 Wide operating voltage power saving design efficiency up to 90 Can use a good switching power supply laptop switching power supply you can also use the charge bottle or car power supply and so on 4 The board is a finished board that has been soldered and tested Connect the speaker box according to the diagram connect a suitable power supply connect a Bluetooth audio device or connect the correct audio input 5 Power on Default Bluetooth mode waiting for Bluetooth audio device connection 6 Source input player Bluetooth disconnected state Press volume potentiometer switch Switch to source input mode Technical parameters 1 Size L W H 110 83 25mm excluding the protruding part of the switch socket 2 Operating voltage range Direct current DC12 24V current 3 4A such as power requirements 20 24V 5 6A above If you use AC AC transformer power supply you must add rectifier filter to DC power supply Can be used Note that the DC no load voltage should not exceed 25 5V this is very important 3 Bluetooth receiving distance 8 m m Bluetooth version 5 0