When Bowers & Wilkins introduced its first true-wireless earbuds in April 2021, they were among the very best-sounding models in that highly competitive headphone space. Now we get the next generation of those buds, the PI7 S2 ($399, £349, AU$700) and PI5 S2 ($299, £249, AU$450) — and they manage to be both quite impressive and a tad disappointing at the same time.
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