The surprisingly ambitious revival of the KLH brand, relaunched at last year’s CEDIA Expo, has now extended into headphones. The Ultimate One headphones ($499.98) shown here are an open-back design with a 50mm beryllium-diaphragm dynamic driver per side. The earcups are machined from solid ebony, while the earpads are made from memory foam of two different densities, shrouded in real sheepskin. The Ultimate Two earphones ($299.98, not shown) are a neckband-style design with aptX Low Latency Bluetooth, yet they can also be used in wired mode. Each of the aluminum-alloy earpieces contains a 10mm beryllium-diaphragm driver and a new balanced armature driver said to deliver a smoother sound than existing balanced armatures.