288 Yuan's Work of Conkind Feiao Lightning Interface Decoding Ear FiiO i1 Hand Play

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FiiO i1, the Lightning interface device external audio decoding ear released by Feiao last autumn, will be shipped recently (Apple's MFi certification has finally been completed). Mrs. Ma sent the samples in advance, and after some experience, she felt a little bit. Perhaps this kind of portable external decoding earpiece specially developed for Apple devices is too selective, or perhaps the built-in audio decoding design of Apple devices is too bland. The sound quality after FiiO i1 processing, both on iPad and iPhone, has been significantly improved compared with the original sound quality. If it weren't for its long wire, I think I would have carried it with me at any time.

FiiO i1 was announced as early as last year at the new product launch conference in the autumn of Feiao, including some of its technical parameters and features. The pricing of 288 yuan can be said to be a continuation of FiiO's consistent high price route. The Lightning connector it uses has passed Apple's official certification, so we don't have to worry about the problem of failure with the upgrade of the device system. This is the biggest difference between it and those fake products.

the packaging design of FiiO i1 is not simple, there are not many things in the box. besides i1 itself, there is only a small plastic clip with thread arrangement and two instruction manuals. As a "well-known accessory factory" in China, this time Feiao is really a bit surprising. Imagine how can there be a portable flannel bag or something.

i1 adopt a split design, with a data connection line up to 80cm in length in the middle. Feiao's original intention is that i1 is used as a part of the earphone cable and also as a cable controller. However, the length of the connecting wire for the existing earphone products is about 1m. After adding i1, the overall connection will be very long, which is more inconvenient to use. Therefore, the author said at the beginning of the article that if the i1 wire is not too long, I will take it with me. After all, the iPhone should be carried with you, and you can also experience quality sound after listening to songs with i1.

the decoding ear part of i1, its shell is made of a whole metal aluminum rod, without any seam in the middle, the length of the finished product is 45.5mm, the diameter is only 9.5mm, which is equivalent to the size of an earphone wire control in the past. And its overall weight is only 11.5g.

button is exactly the same as the wire control of the original Apple headset. It does not require any learning and adaptation, and can be used smoothly. When we connect the earphone with wire control to i1, the wire control on the earphone will fail, and all operations are completed on i1.

, as a plug-Lightning product, FiiO i1 is not only designed for iPhone 7 (iPhone 7 does not have a traditional headphone jack, and headphones must be connected through an external decoding amplifier). FiiO i1 supports both iPod and iPad, and can be connected and used as long as it is an Apple device with a Lightning interface.

is connected for the first time, a prompt will pop up. It is recommended to install FiiO's management software. The main function of this software is to upgrade the firmware for i1. Yes, i1 supports the firmware upgrade function. It can be said that the sparrow is small and has all five internal organs.

i1 provides a 3.5mm standard earphone jack, which can automatically identify three-segment and four-segment earphone plugs. I tried several earphones on my hand, including self-controlled earphones with wire control, without any problems.

When i1 detects that there is no earphone connection, it can also work and realize all the functions of wire control, such as controlling music playback, switching up and down tracks, volume adjustment and even calling Siri. At this time, the sound will come from the speaker of the mobile phone.

i1 supports deep sleep. You can also set standby mode and sleep mode in the software to reduce the consumption of battery power by i1. When waking up, you only need to press a key or light up the screen of the mobile phone.

FiiO i1 uses a NAU88L25 decoding chip, its frequency response range is 20Hz-20KHz, and its output power can reach 30mW under 16 ohm impedance. Decoding is limited by the sampling rate supported by Apple LAM module. Currently, it can only support lossless music up to 48KHz. If LAM is opened or upgraded later, i1 can support higher sampling frequency. The data given by Feiao official is up to 24bit/192KHz.

In terms of software, i1 supports mainstream apps such as Apple Music, NetEase Cloud Music, QQ Music, and Cool Dog Music. Compared with the sound quality of iPhone 6P or iPad Air built-in decoding, i1 has richer details of the intermediate frequency of sound, slightly larger vertical sound field and better spatial performance, especially listening to human voice songs, which are not as close to the ear as when built-in decoding. Of course, the improvement of low frequency is also obvious. The low frequency of i1 has stronger cohesion, and its performance is better in both texture and quantity.

if you usually use iPhone, iPad or iPod to listen to more songs and don't mind the length of the connection line, FiiO i1 is a good choice. after all, its price is very low and the improvement of sound quality is obvious. it is a cost-effective product.

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