I bought it for 99€, I think it's ok for the price but I definitely wouldn't pay more than 100€ for it. They appear to use a standard noise-cancelling chip, and there are cheaper options. On my last flight I had the opportunity to compare them side by side with the Bose QC35 II and the Bose performs much better than them. Monsters - Bose cuts out a lot of low frequency noise but is present in Monsters. As for the sound quality - I'd say it's decent, but that's entirely subjective. I also find the Bose a bit more comfortable - the cushions are softer and feel lighter. If you can buy them for less than $100 and can't fly more than 4 hours, that's probably good. As for everything else, I'd probably wait for some Bose offerings.
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