Description
Parameters:
Operating voltage range: Operating voltage range: DC 9-25V (Current 3-4A or more, such as the need for more power recommended 19-24V / 4-5A above)
Maximum output power: 50W(Left CH)+50W(Right CH)+100W(BASS CH)
Core Chip: TPA3116D2
Audio input sensitivity: 600-800Mv
Frequency response range: 20Hz-20KHz
Speaker impedance: L/R CH speaker 3.5-8Ω ， BASS speaker 2-8Ω
Instructions:
1. The power supply can be accessed from DC socket, or Terminal block socket.
2. Audio from 3.5mm socket 1, or 3P socket 2 audio input interface, such as: computers, MP3 players, etc.
3. Bass volume potentiometer, can independently adjust the bass output volume.
4. Left and right channel volume potentiometer, which can adjust the left and right channel output volume.
5. Treble adjustment potentiometer, adjustable left and right channel treble gain output.
6. 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.
Precautions:
1. Board is the use of DC power supply, with positive and negative reverse protection, the positive and negative reversed is not powered.
2. The power does not allow wrong connection to the speaker output interface, which will cause damage to the amplifier chip.
3. The maximum working voltage 25V (Note: TPA3116 amplifier chip maximum operating voltage is 26V, when used not more than 26V.
4. The board is powered by DC power supply.Please use a good DC power supply.If the power supply performance is poor,hum or current sound may appear.
5. Such as the use of ordinary AC adapter power supply must be rectified and filtered before they can be connected to use.(Note: no-load voltage after rectification not more than 26V)
Package include:
1x TPA3116 2.1 50W+50W+100W Audio Amplifier Board
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