FiiO FT3 HiFi Studio 32ohm Wired Over-Ear/Open-Back Headphone, 60mm High-Performance Dynamic Driver Headset 3.5mmSE/4.4mm/6.35mm for Audiophiles/Stereo, Great-Sounding (32ohm) (32 ohm version) Large Dynamic High-Res Over-Ear Headphones 60mm, with large dynamic driver. LCP aluminum metal plated+aluminum metal diaphragm 32Ω impedance With a 1.5m long, 23AWG thick in diameter cable made up of 392 silver-plated monocrystalline copper wires. Asymmetric internal and external magnetic circuit system. 4 different audio plugs included, as well as leather case and 2 sets of earpads Sensitivity: 110dB | Frequency Response Range: 7Hz-40kHz Meet FiiO FT3 The FiiO FT3 is a large diaphragm headphone that boasts innovative design and exceptional sound quality. With its rare 60mm dynamic driver, it offers consumers a unique listening experience that is unmatched by other products on the market. 60mm large dynamic driver 32Ω impedance design LCP aluminum metal plated+aluminum metal diaphragm 4 different audio plugs included Sensitivity: 110dB | Frequency Response Range: 7Hz-40kHz FiiO established in 2007, is a high-tech enterprise focusing on research and development of portable music products. FiiO places great importance on users' needs and ceaselessly pursues perfection in product design and manufacturing, to supply users with the best audio products at the best prices. 60mm large dynamic driver Compared to a smaller driver, the FT3 can push more air and convert energy into the sound more efficiently – resulting in a more natural yet robust sound with an expansive soundstage. 32Ω impedance The FT3 32Ω version focuses on providing lush yet highly textured mids and bass. The bass is quite present and robust, yet highly controlled with lots of detail. Similarly, the mids have been designed to be lush and relaxed, making the FT3 very easy to listen to. LCP aluminum-plated+aluminum metal composite diaphragm FT3 with a LCP aluminum-plated + aluminum metal composite diaphragm that not only makes the FT3 32Ω version easy to drive, but crucially allows it to retain high-quality sound