We were huge fans of the look and feel of Bowers & Wilkins' P5 on-ear headphones -- a genre that's particularly hard to nail due to comfort and style issues -- so we were naturally excited when the company announced C5 ($180), its first in-ear model, complete with innovations of its own. C5 uses glossy black-finished and uniquely shaped tungsten tubes to house drivers and filters that produce some seriously well-tuned sound, adding special adjustable…
