TPA3116 2.1 Digital Audio Amplifier Board HIFI DC 12-24V BASS Speaker 50W*2+100W

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TPA3116 2.1 Digital Audio Amplifier Board HIFI DC 12-24V BASS Speaker 50W*2+100W<br>Note: This board is not bluetooth version<br>Description:<br>This is with the pre-amplification, bass divider processing.<br>With bass, left and right channel volume adjustment, treble adjustment, total volume potentiometer control 2.1 power amplifier board<br>Using DC 12-24V power supply, Maximum support 50W(Left CH)+50W(Right CH)+100W(BASS CH) three channel output<br>Core Chip: TPA3116D2<br>Wide operating voltage, power-saving design, the efficiency of up to 90% or more<br>Boot anti-shock protection design, boot no POP burst sound<br>Size: 101mm x 100mm x 30mm / 3.97" x 3.94" x 1.18"<br>Parameters:<br>Operating voltage range: DC 9-25V (<br>Current 3-4A or more, such as the need for more power recommended 19-24V / 4-5A above<br>)<br>Audio input sensitivity<br>: 500-800mV<br>Frequency response range<br>: 20Hz-20KHz<br>Speaker impedance:    L/R CH speaker 3.5-8Ω ，  BASS speaker 2-8Ω<br>Maximum output power: 50W(Left CH)+50W(Right CH)+100W(BASS CH)<br>Power Voltage<br>Left/Right Channel Output<br>BASS Channel Output<br>Speaker impedance(Ω)<br>Output Power(W)<br>Maxi Output Power(W)<br>Speaker impedance(Ω)<br>Output Power(W)<br>Maxi Output Power(W)<br>12V<br>8<br>10<br>>12<br>8<br>10<br>>10<br>4<br>>15<br>>20<br>4<br>>19<br>>25<br>3<br>>22<br>>35<br>2<br>>30<br>>40<br>15V<br>8<br>15<br>>18<br>8<br>>15<br>>20<br>4<br>25<br>>28<br>4<br>>29<br>>40<br>3<br>>39<br>>50<br>2<br>>50<br>>60<br>19V<br>8<br>>22<br>>25<br>8<br>>24<br>>28<br>4<br>40<br>>45<br>4<br>>48<br>>70<br>>60<br>>80<br>>75<br>>90<br>24V<br>8<br>>30<br>>35<br>8<br>>38<br>>40<br>4<br>>50<br>>55<br>4<br>>75<br>>95<br>2-3<br>>95<br>>100<br>Operating<br>Instructions<br>:<br>The power supply can be accessed from DC socket, or Terminal block socket<br>Audio from 3.5mm socket 1 or 3P socket 2 input interface, such as: computer, MP3 player, etc.<br>Bass volume potentiometer, can independently reduce the sound output volume<br>Left and right channel volume potentiometer, which can adjust the left and right channel output volume<br>Treble adjustment potentiometer, adjustable left and right channel treble gain output<br>Switch / total volume potentiometer with switch to turn off the power amplifier / also can also reduce the sound and left and right channel output volume<br>"Lin"--<br>sound source left channel input<br>;     "G"--<br>Sound source public ground<br>;  "Rin"--<br>sound source right channel input<br>Audio can also be entered from "Lin G Rin" sockets, such as: computers, MP3 players, decoders, etc.<br>Speaker output "+" or "-" are independent, not common ground output, can not be connected to each other,<br>nd can not be connected to Ground<br>,<br>If the connection will appear sound is not normal.<br>Speakers output "+" or "-" wiring and speakers on the "