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<br />Features:
<br />    The amplifier board uses TPA3116D2 chip as core which is a high-performance digital power amplifier chip.
<br />    Wide voltage power supply from 12V to 24V DC, energy saving design, the efficiency is as high as 90%. The highest bass sound channel output can support 100W.
<br />    It can be powered by a good performance switch power adaptor, laptop switch power supply, transformer power supply after rectifying filter, rechargeable source or car power supply.
<br />    Impact protection design when power on ensures not popping sound.
<br />    The board is already finished and tested and can be used directly after connected to speaker, audio input and power. 
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<br />Specifications:
<br />Input Voltage Range: 9-25VDC(12-24V suggested)
<br />Input Current Range: 2-3A(for higher power, you can use 19-24V, >4A)
<br />Input Frequency Response: 20Hz-20KHz
<br />Output Frequency Response: 20Hz-180Hz
<br />Audio Input Sensitivity: 500mv
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<br />Bass Speaker Impedance: 2-8 
<br />Size: 83 x 55 x 29mm / 3.26 x 2.16 x 1.14"
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<br />Package Includes:
<br />1 x Amplifier<p> <b><b><img src="https://contestimg.wish.com/api/webimage/58db309602cb6054eee5bc7c-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58db309602cb6054eee5bc7c-1-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58db309602cb6054eee5bc7c-2-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58db309602cb6054eee5bc7c-3-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58db309602cb6054eee5bc7c-4-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58db309602cb6054eee5bc7c-5-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58db309602cb6054eee5bc7c-6-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58db309602cb6054eee5bc7c-7-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58db309602cb6054eee5bc7c-8-large.jpg></b></b></p>