Using the new original TDA7850 amplifier chip
Using LC filter circuit design .
Use large current common mode inductors , 2 PCS 200uf filter capacitor ,.
Common mode inductance LC filter design, more effective filter out the interference caused by power .
4 horn output resistance between 2.8K-3.1K .
With 4-channel lotus seat adapter board , With ACC control interface .
Maximum output power: 4X50W
Operating voltage: DC 10V-15V
Channel: 4 channels
Board size: 100mm X 50mm.
If you need to buy 4-channel volume adjustment board , Please click on the link link
![TB28Km4oFXXXXXSXFXXXXXXXXXX_406947466_](https://ae01.alicdn.com/kf/HTB1XwPkQpXXXXbmaXXXq6xXFXXXS/220353547/HTB1XwPkQpXXXXbmaXXXq6xXFXXXS.jpg?size=70873&height=333&width=500&hash=a9db234c411ba12a3b26cdfd07a7e4f2/)
note:
1: board in the test machine before the IC to install the heat sink (IC heat sink to buy their own)
2: If you do not use the ACC control side, it is necessary to connect the ACC side and the power supply positive, otherwise it is standby.
![1](https://ae01.alicdn.com/kf/HTB1IpPHQpXXXXX.XpXXq6xXFXXXG/220353547/HTB1IpPHQpXXXXX.XpXXq6xXFXXXG.jpg?size=175332&height=800&width=800&hash=cefc37ba6bb824354e8593d42a9b86f6/)
![1](https://ae01.alicdn.com/kf/HTB1IpPHQpXXXXX.XpXXq6xXFXXXG/220353547/HTB1IpPHQpXXXXX.XpXXq6xXFXXXG.jpg?size=175332&height=800&width=800&hash=cefc37ba6bb824354e8593d42a9b86f6/)
![1](https://ae01.alicdn.com/kf/HTB1VCG_QpXXXXcUaXXXq6xXFXXXa/220353547/HTB1VCG_QpXXXXcUaXXXq6xXFXXXa.jpg?size=174269&height=800&width=800&hash=341f2a42dacc9f38d1d64d7371ba7c23/)
![1](https://ae01.alicdn.com/kf/HTB1NxngQpXXXXbWaXXXq6xXFXXX2/220353547/HTB1NxngQpXXXXbWaXXXq6xXFXXX2.jpg?size=205434&height=800&width=800&hash=07456ed60df796be696cc3977a640e7b/)
![1](https://ae01.alicdn.com/kf/HTB1RmztQpXXXXc3XFXXq6xXFXXXh/220353547/HTB1RmztQpXXXXc3XFXXq6xXFXXXh.jpg?size=160664&height=800&width=800&hash=7efce6a72e5edd540fb6b7b848a899b6/)
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