FiiO FT13 Closed-Back Headphones speaker EQ and amp circuits for

EQ and amp circuits for next generation xMEMS headphone driver technology

via its HD USB input

35 mm port Power parameters Power supply DC 12V/2A Battery capacity / Audio parameters Line output performance parameters Frequency response 20Hz~20KHz：±＜0

PSquared / Pentaconn Superior Plugs

and save EQ curves

FiiO FT13 Closed-Back Headphones speaker EQ and amp circuits forFT13 Closed Back Headphones Natural purpleheart wooden earcups Large 60mm dynamic driver Wool composite nano fiber wood diaphragm W shaped diaphragm Closed back design U shaped damping tube Low impedance, high sensitivity, easy to drive Furukawa monocrystalline copper + silver plated oxygen free copper braided cable Lambskin Suede earpads included Naturally magical colors Gracefully charming purple Creation of the FT13's Wooden Earcups After the