The low-frequency atmosphere sounded exactly like DIAMOND. I get the impression that the DIAMOND package has been reconfigured to make it easier to purchase. The cables and accessories are fairly rugged, but the build quality of the earpho…

It has a sound signature that should be a gentle U-shape, and there is a characteristic that the lows and the mids are somewhat intimate, and the three-dimensional effect tends to be ambiguous. It may give people the impression of being bu…