Sennheiser's renowned HD 600-series performance, now on the go These are the Sennheiser wireless noise-canceling headphones I've always wanted to hear. You can read my full review of the Sennheiser HDB 630 headphones, but I'll spoil this part now: so

Details Sennheiser's renowned HD 600-series performance, now on the go These are the Sennheiser wireless noise-canceling headphones I've always wanted to hear. You can read my full review of the Sennheiser HDB 630 headphones, but I'll spoil this part now: sound-wise, they compare favorably to Sennheiser's wired audiophile HD 600 series. In fact, they share attributes with several models across the legendary line.