S715i continues the same industrial design themes Logitech introduced in S125i and S315i, eschewing the Apple-inspired rounded rectangular bodies of mm50 and Pure-Fi Anywhere in favor of a shape that looks somewhat like a bone, bulging at the sides and pinched in the center. A matte mesh black grille with subtle curves and interior accents focuses your eyes on six separate speaker drivers facing forwards, while a mix of glossy and matte black plastics…