Campfire Audio Astrolith (Like New)Campfire Audio Astrolith Overview The latest from the acoustics team at Campfire Audio, Astrolith represents the tip of the spear for IEMs using a pure planar magnetic architecture. Further expanding on Campfires lineage of planar earphones, Astrolith incorporates two new drivers wrapped in our PPR and AAOI tuning elements. Combining the inherent advantages of planar magnetic drivers with decades of acoustic engineering experiences brings about an