The F9 utilizes a dynamic driver made of PEK (polyether ketone) polymer nanocomposite, known for not only being tough but also being light. This allows the F9's dynamic driver to be highly capable of producing quick, detailed, and extended bass.

2019年1月6日 · 飞傲（fiio）f9 pro 三单元圈铁耳机外观识别度非常高，佩戴起还是比较舒服的不会挤压到耳朵，耳机搭配一圈铁+两动铁楼氏knowles的30017单元特别适合听一些流行音乐，另外就是在价位上要比国产其他耳机厂商贵上一点，最好是在有活动的时候下手购买是个不错的 ...

With the F9 SE, you can easily get lost within your music for hours without fatigue. We conduct dozens of stringent quality tests, thousands of times, so that you may cast your worries away and your fears are allayed. The F9 SE comes with a whole host of other accessories all designed to tailor and safeguard your listening experience.

喚醒耳朵的漣漪【FiiO F9 標準MMCX接頭2.5/3.5mm可換線三單元圈鐵入耳式線控耳機】榮獲Hi-Res Audio高品質音頻產品標準認證，水波紋仿生設計漣漪感外殼，採用鋁合金材質CNC精密打磨、噴砂、陽極氧化等處理，展現滑順細膩的柔和金屬之美。

2017年11月17日 · Buy FiiO F9 PRO Best Over The Ear Headphones/Earphones/Earbuds Detachable Cable Design Triple Driver Hybrid (1 Dynamic + 2 Knowles BA) in-Ear Monitors with Android Compatible Mic and Remote (Titanium) ...: Earbud Headphones - Amazon.com FREE DELIVERY possible on eligible purchases

FiiO F9 and FiiO F9 Pro are noise-isolating earphones manufactured and marketed by FiiO Electronics Technology. They are aimed at listeners who prefer strong bass and are rated as one of the best earphones in its price range by CNET.

2017年8月25日 · FiiO F9 + iDSD Nano BL - One of the best pairings out there, as iDSD Nano BL is as portable as F9 is, making any Smartphone or Tablet a truly enjoyable audiophile experience. The depth of F9's soundstage is amazing with this pairing, along with the definition of each musical note, and with the general detail and resolution of F9. iDSD BL has ...