Based heavily on the earlier, excellent ATH-ANC7, Audio-Technica's new ATH-ANC7b ($220) is an enhanced pair of over-ear noise-cancelling headphones with a few new twists: new noise-cancelling technology, slightly larger earcups to better accommodate bigger ears, and a slightly different balance of silver and black plastic coloration. As before, ATH-ANC7b comes with a zippered carrying case, headphone port adapters, a AAA battery for power, and a cable…
