Assertion: planar magnetic headphone | /r/HasAspect | spherical divers
Facets:
value: with a focused sound wavefront
type: OTHER
value: relatively
type: DEGREE
Source sentences:
text: It's a noticeable effect, but it may not be as significant, as newer closed-back planar magnetic headphones like the Oppo PM-3 also have relatively spherical divers with a focused sound wavefront.