FiiO has announced the FT13 closed-back headphones, featuring lacquered purpleheart wooden earcups, and birch wood drivers infused with carbon fiber threads and wool fibers, that allow the finer details of Hi-Res Audio music to shine. 4 Reviews ← exclude selected typesFiiO has launched the FT13 closed-ear headphones with South American purplewood earcups for the enjoyment of high-resolution music. The 60 mm birch wood drivers infused with carbon fiber threads and wool fibers produce a rich sound with improved treble detail, according to the company. The cable comes with detachable plugs and adapters, allowing the FT13 to be connected to 3.5 mm, 4.4 mm, 6.35 mm, and XLR-4 jacks. The FiiO FT13 purplewood headphones have an MSRP of $329.99 and are available on Amazon in natural purple or black with a Yaoli linen storage bag.