I returned it and required a replacement order. Overall, they are not a bad choice for the MDR-XD100 if you dont mind the look of them being a bit oversized. Id also like to note that yeah, you tend to be more likely to recieve a dud on wholesale products like these. "Trae 20 tornillos para montarlo, y pues no sé si eres de lo que los fijan a puro dedulce. They were extremely comfortable and withstood both dry hot conditions and wet Monsoon rain conditions perfectly. Listen to any normal speech on TV or on radio. At least theyre smaller than I expected! They are comfortable & well made! 5 so with the reviews I saw to go up a little. They are both plugged in and I alternate depending on what I want.