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TPA 3255 is the latest Texas Instruments integrated 4 channels class d power amplifier with max documented power capability of 300W.
There are several boards in the market to choose from.
How to pick the right one. In this video analyze reference design and look at some real boards to find out how close they are to reference design.
00:00:00 Boards in the market
00:02:46 Audio science review measurements
00:04:32 ICEpower 200AS2 good TPA3255 example
00:11:35 TPA32 reference design
00:14:03 TPA3255 schematics
00:26:42 TPA3255 output filter calculator