P7 is best understood as an over-the-ear version of P5, one of very few on-ear headphones we’ve ever enjoyed wearing. Although both models use 40-millimeter speaker drivers, P7 houses them inside earcups that look nearly twice the size, a change that contributes to an added 95 grams (0.2 pounds) of additional weight—not enough to be obvious on your head, but clearly different when both headphones are held in separate hands. Just as before,…