My personal review today about the product Sennheiser HD280PRO Headphone New Model. In general, decent, but with the top bust. I assembled an amplifier on germanium transistors. They are known to have fat bass. So with this amplifier, the headphones began to sound even, the tonal balance leveled off. Raised bottoms of the amplifier plus lifted tops of the headphones - in general, the picture turned out to be audible. Itโs funny.