FiiO FT3 Over-Ear Open-Back Headphones - Discontinued 6.35mm male The channel input section is

The channel input section is equipped with an ESS Technology 32-bit high-quality A/D converter for crystal-clear

replaceable ear pads made from protein-coated leatherette with memory foam

Compatible with all smartphones

The smooth shells easily fit into most average-sized ears and sit securely and tightly

Maximum Output Level 7dBu

FiiO FT3 Over-Ear Open-Back Headphones - Discontinued 6.35mm male The channel input section isFT3 Large Dynamic High Res Over Ear Headphones 60mm large dynamic driver Beryllium plated gasket + DLC diaphragm 350 high impedance Asymmetric internal and external magnetic circuit system Open back design Furukawa monocrystalline copper cable Aluminum alloy construction Lightweight hollow design 4 different audio plugs included Art of harnessing energy for great sound 60mm large dynamic driver The FT3s large dynamic driver also has other benefits.