KLH Audio Ultimate One
KLH Audio is known to audiophiles as the creators of the world’s first full-range electrostatic loudspeaker, the Model Nine. After a corporate takeover by Kelley Global Brands, at CEs 2019, the rebranded KLH Audio announced a $499 full-range open-back Ultimate One. The planar magnetic headphone boasts a pure beryllium 50mm dynamic and comes with both a balanced cable (with SE adapters) and a hard case. They also announced the Ultimate Two wireless IEM, priced at $299.