Using small body integration design, differential input gain, for Toshiba 1943 5200 power amplifier output.High reproduction and sound quality, making it better than digital power amplifier boards.Suitable for modification in small spaces with high demands on sound quality.SpecificationProduct Name 200W mono power amplifier boardPower supply DC dual 3560V suitable for use with dual 2443V transformers after selfmade rectification and filtering.Output power 300W 4ohm 200W 8ohmFrequency range 20Hz30kHzDistortion THD0.01PrecautionBefore turning on the power amplifier board, the power transistor must be equipped with a heat sink, and the power transistor must be insulated with insulation. After installing the heat sink, measure it with a meter to confirm the insulation between the power transistor and the heat sink before turning it on. If it is not insulated, turning it on will immediately damage the power transistor.Package Includes1Power amplifier board