New Delhi, Feb. 4 -- Picking up a premium pair of over-ear active noise cancellation headphones in 2026 is no walk in the park, a flurry of compelling launches in recent months from the likes of Sennheiser and JBL joining all the usual big names in personal audio. On one side, you have the Sennheiser Momentum 4 80th Anniversary Edition, an unexpectedly cheerful octogenarian celebration from a brand that's been perfecting sound since before many of our parents were born. On the other, there's the JBL Tour One M3, a feature-packed, do-it-all powerhouse that offers many cues about the future of headphones. So, which one deserves space in your backpack, and on your head? And do they do enough to challenge the current king of the hill, the Son...