Description
FiiO FT5 Open Back Planar Magnetic Headphones (Open Box) headphone cables Inside the K9 Pro ESS Material:Platan (6.3mm) 6.35mm male 4 PIN balanced headphone F1 HE6BCG3 Inside the K9 Pro ESS are 2 ES9038PRO DAC chips while the naturally vibrating toroidal transformer is mounted firmly onto a 2mm steel plate