Description <br> Chip type: TPA3116D2 <br> Power supply: DC 12-24V <br> Channel amount: Dual 50W <br> <br> Note: <br> If Your Power Supply And The Audio Equipment Are Common Ground, When Connecting The TV Box, There Will Be A Little Current Noise Because This Amplifier Board Does Not Have Noise Isolation Function For Power Supply. So, You Need A Common Ground Isolation Board; <br> Please Enhance The Heat Dissipation Such As Adding A Little Heatsink Chip On The Amplifier Board When Your Power Is Relatively Higher Or Your Amplifier Board Has Been Used For A Long Time. <br> Due To Different Batches, There May Be Differences In Product Appearance, Color, And Printed Text, Which Will Not Affect The Use. <br> Colour:Blue <br> Material:PCB <br> <br> Package Contents: <br> 2x Amplifier Board <br> <br> Only the above package content, other products are not included. <br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. <br>