Before the breakdown, they worked only 1 year and 4 months in the mode of gentle operation. With a warranty period - 12 months. Almost all this time, headphones were used only at home. The wires were not tangled and did not crumple. At the end of this period, the right earpiece stopped functioning. The reasons: one). Fracture or breakage of the wire in the area of the entrance to the case or inside the case due to ill-conceived fastening of the wire at the entrance to the case and poor fastening of the wire in the case (the wire moves freely "back and forth", it can be easily pulled out and pushed inside). 2). Poor quality wires. The sound quality, subjectively, according to the experience of using other, more expensive Sony headphones and cheaper non-names, is around 4 points. In principle, the sound quality suits me. I used headphones for listening to mp3 music, audio books, games and watching movies on a computer with an integrated sound card, on a phone and a regular, non-audiophile player. This model - MDR-EX15AP - is equipped with a microphone. Model MDR-EX15LP - no microphone. Many are confused. The microphone did not check, there are no comments. Total: Sound - 4 Reliability - 2 Build quality - 3.5 Soundproofing - 4 The retail price in many stores is too high. Some of the prices given in the reviews are generally wild. I believe that the fair price of these headphones (as of May 25, 2022, the exchange rate of the Central Bank of the 2022 is 61.6 / USD) should not exceed 600 . 650. : I read about the problem with the deterioration of the volume in some reviews. The deterioration of the sound volume in one of the headphones that I encountered during operation was usually due to clogging of the porous filter at the output of the sound channels of the headphones (they are attached to the "rubber" ear pads). These filters can be washed with alcohol / vodka :)) or (if they are completely clogged and cannot be washed) - gently pierce with a thin needle). The volume will be restored. This is a problem with many earplugs. The headphone capsules themselves usually do not decrease in volume over time. Especially after a few months.
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