DC12V-24V 2.1 Channel TPA3116 Subwoofer Amplifier Board High Power Bluetooth Audio Amplifier Board 2x50W+100W(2x50W+100W)

DC12V-24V 2.1 Channel TPA3116 Subwoofer Amplifier Board High Power Bluetooth Audio Amplifier Board 2*50W+100W Note: Aux insert will automatically detect. When aux is inserted, Bluetooth will break, aux priority, audio is input, not mixed. Product description: 1.This is a support for Bluetooth audio receiver board, with preamp amplification, bass frequency processing. With bass, left and right channel volume adjustment, treble adjustment, the total volume potentiometer control 2.1 amplifier board. 2.DC power supply 12-24V power supply, maximum support 50W (left channel) +50 W (right channel) +100 W (bass channel) three-channel output. 3. Use of the United States TI company TPA3116D2 digital amplifier chip as the core, a parallel bridge subwoofer output, do a left and right channel output. 4..Wide operating voltage efficiency up to 90%. Can use good performance switching power supply, laptop switching power supply, you can also use the charging bottle, or car power supply, etc. 5.Bluetooth 4.2 version. The main product parameters: Size (L * W * H): 101 x 100 x 25mm, excluding potentiometer and socket projection Operating voltage range: DC 11-25V (current 3-4A, or 19-24V / 4-5A, such as high power requirements 20-24V / 8-9A above) Bluetooth receiving distance:> 8 m (meters) Audio input sensitivity: 600-800mV Frequency response range: 20Hz-20KHz Speaker impedance: left and right channel speakers: 4-8 ohm, bass speaker impedance: 2-8 ohm Function switch Instructions for use: 1. Plug in the power on default Bluetooth mode 2. Bluetooth disconnected, long press the switch can switch to the audio input mode 3. Bluetooth play status, short press the switch to pause / play Note:When aux is inserted, Bluetooth will break, aux priority, audio is input, not mixed Package included: 1PC TPA3116 Subwoofer Amplifier Board

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