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  1. JamesFiiO

    FiiO M11Pro | Dual AK4497 | THX AAA 78 Headpone Amp | 5.15" 18:9 720P | Exynos 7872 | 3G Ram+64G Rom |

    The Pro version based on FiiO's M11, will launch market in the coming soon!
  2. JamesFiiO

    The future of FiiO's AMP&DAC --Written on the day when FiiO passed the MFi Certification Program

    The future of FiiO's AMP&DAC --Written on the day when FiiO passed the MFi Certification Program Dear Respected Head-Fi Members, Words could not express my appreciation to you. The Portable Headphone Amplifier section is where FiiO takes off. In this lovely forum, I spent a large amount of...
  3. JamesFiiO

    i1, born for iPhone7, the first " MFi " headphone amplifier from FiiO

    We are applying MFi from Apple company, and will design a new headphone amp for iPhone with lightning connector. for example, iphone 6, iphone6s, and especially, there are news say that iPhone 7 may remove the 3.5mm headphone jack。       here is the main features:   1, bulild in DAC and...
  4. JamesFiiO

    The Upcoming FiiO T3 | Dual SD slot | 3.2 inch full touch screen | Optical/Coaxial/USB digital output | Slim design | APT-X | TYPE C |

    Hi, guys,   When we first be a member of head-fi'er, most of us were use iPod Classic as music source and bundled with an DAC/AMP or AMP only, but as you can see that now there are so many DAPs designed for audiophiles .     but it it quite interesting that we found lots of our fans and...
  5. JamesFiiO

    FiiO M3, Ultra-Portable|8G+64G|2.0" 320*240 TFT|50mW|FLAC/APE/AIFF|In line control|OGG, MP3, AAC, WMA |24 Hours|HiFi Earbuds

        MSRP,  $55   Memory:  8G ( build in )   Micro SD card: supports up to 64g   Output power:  50mW @ 16ohms   DAC:  CS42L51 from Cirrus Logic   Battery life:  24 hours   ...
  6. JamesFiiO

    FiiO Q5, Flagship DAC/Amp, an Dual DAC, USB/Optical/Coaxial/Line in, share the same amp module with X7.

    We are developing a new DAC/AMP , it is our flagship DAC/AMP and there are some new features will be added as below, as usual, waiting for your feedback so we can make the best for your guys.   1, First Dual DAC in our line ups. the DAC has not decided yet, maybe dual 1792A or ESS9018K2M or...
  7. JamesFiiO

    Need help to test the 20,000 sound tracks music library firmware for X5 !

    Some people asked us to unlimited the total number of the music library from 5,800. now we have a beta firmware which can allow add about 20,000 sound tracks into the music lib . but we need more people to help us test it whether it is stable or now.   and please noted that the system may...
  8. JamesFiiO

    About balanced portable headphone amplifier/dac

    Since there are more and more portable source includes a balanced output, but there are only very few balanced portable amp/dac, and the most important is they all are very expensive.   so I am considering to develop an balanced headphone amplifier. but there are over 99% headphone/earphone is...
  9. JamesFiiO

    In favor of double ES9018M2K or single ES9018?

    In favor of double ES9018M2K or single ES9018?   For some reason, currently we would only consider ES9018 or ES9018M2K for the DAC chip.   ES9018 is a desk type that has the highest performance indicator among the DAC chips on the market, while the ES9018M2K is a mobile type. The main...
  10. JamesFiiO

    In favor of replaceable battery or built-in one?

    It is recommended to adopt replaceable battery to solve the issues of battery life, dimension and weight. On the contrary, we can see the built-in lithium battery is more widely used than the replaceable one in most of the current digital electronic products. There are several reasons: 1...
  11. JamesFiiO

    How powerful do you want your dream player to be?

    In terms of headphone driving power, hi-fi DAPs have recently seen a divide into two schools:   1.   “Lite” players from e.g. Sony and iRiver / Astell & Kern, which have support for a wide range of formats, with good sound quality, build and UI, and combine small size with good battery life. ...
  12. JamesFiiO

    What’s the shortest playback time can you accept for a player?

    Under current technology, a player’s sound quality is proportional to its power consumption. Many famous DAC chip on the market go with 5V power supply since desktop device has very large operating current. Meanwhile, the high quality headphone amplifier also requires high voltage and current...
  13. JamesFiiO

    How big a music player can you accept?

    The dimension and thickness of the player are also important to its sound quality.   With very small size and thickness, it’s hard to embed high capacity battery, and it has very strict requirements to the heat dispersion of its DAC and OPAMP chips.   On the contrary, if the player adopts...
  14. JamesFiiO

    FiiO X7 | DXD | DSD | 384K/64B | ESS9018+ Android | WiFi | Bluetooth | 4 AMP modules | Balanced Out |

    Call for third party X7 expansion module developers --by James Chung, CEO of FiiO Any interested designers / companies may email us directly at! As you may know, one big selling point of the X7 is its patented interchangeable expansion module. The expansion capability of...
  15. JamesFiiO

    How heavy can you accept in order to achieve better sound and appearance?

    As is known to us all, the sound and appearance of the player could be a contradiction to its weight.   Firstly, as to the appearance, it is widely believed that the metal material has higher sense of value than that of plastic. However, even the relative light aluminum magnesium alloy...
  16. JamesFiiO

    How much will you be willing to pay for your dream player?

    For a few decades of making products, there are two things that annoying me most. One is the target cost limit that might block the project to be perfect; the other is the technology or source limits that disable the thoughts to become true.   Thus, the first and foremost issue requires all of...
  17. JamesFiiO

    The FiiO X1 Discussion and Help and Support Thread |192K/24B|100mW | LO | inline remote

          As you all known that we will release our new DAP X5 in next month, and at the same time, another team already start a new project called X1.   I knew it may not suitable to discuss X1 right now because we should focus on X3/X5, but I want to make it as the co-working project with...
  18. JamesFiiO

    Campaign regarding X3 theme beautification

    Statement: In order to bring more fun in using X3 and meet more personalized requirements, we have developed one firmware unpacking tool. With this tool, customers can design the theme’s elements according to specified formats and sizes, so as to create one new personalized firmware. After...
  19. JamesFiiO

    DIY your own Theme for your lovely X3

    We just developed a firmware tools so people can un package the firmware, and them you can replace the origianl theme, includes fonts, color, icon, and background with your own design.   Please downloda the tools from   I hope people can discuss how...
  20. JamesFiiO

    two program may help you format the 64g TF card to FAT32

    please try GUIformat or verbatim format tool Link to the verbatim format tool:
  21. JamesFiiO

    Reply to some bugs of X3’s new firmware and new function suggestions from our end-users!

    To all the respected X3 users and the potential customer,   Ever since the launch of X3, its powerful ability in supporting various lossless music format and 192K/24B master recordings format, its beautiful sound quality, its small size and its great value are all widely welcomed and supported...
  22. JamesFiiO

    How to delete the database in the X3 disk?

    How to delete the database in the X3 disk? 1. Please connect the X3 with your computer via the USB cable first, and find the X3 disk in the computer after the X3 has been regconized. 2. Double click the X3 disk to enter the X3's internal memory. On the pop up dialog box, please go to...
  23. JamesFiiO

    FAQ and Advice of X3