now, Ripple F9 series earphones undoubtedly occupy a very important position in Feiao's earphone product line strategy, because after successively launching F9 and F9 SE earphones, which are aimed at different consumer needs, Feiao soon brought the third work in this series, which is also the top product in this series so far -- F9 PRO.

product information

type: 1 circle (Ф 9.2mm PEK diaphragm moving coil),2 moving iron (U.S. Lou's-knowles composite double-moving iron unit TWFK-30017-000)

color: titanium

Replaceable line design: Yes (standard MMCX interface)

frequency response: 15Hz ~ 40kHz

Sensitivity: 106dB/mW

Impedance: 28 Ω

Line length: 1.2m

single weight: about 3.76g (excluding wire)

wire is equipped with 2 wires, including single-ended wire (with wire control function, black outer TPE material, wire core material is enameled copper), balance wire (four-core wound braided black wire, 5N oxygen-free copper silver plating material)

plug are L-shaped elbows, and the MMCX male head is added with a left blue and right red identification metal ring, in which the balance line (2.5mm four-pole plug, definition of balanced wire connection) and the single-ended line (3.5mm four-pole plug, definition of single-ended wire connection)

Other main accessories: storage box, 12 pairs of earphone covers (three pairs of balanced low-frequency vocal memory sponge covers), black diving cloth storage bag

reference price: 998 yuan

color matching, more accessories

Since MC has conducted an in-depth evaluation of Feiao F9 before, in this article, I would like to mainly talk about the "evolution" of F9 PRO compared with the other two products in this series. First of all, let's talk about the most intuitive part. It is actually very simple to distinguish F9 PRO from the other two products at a glance, because it has its own color matching-titanium color. Stronger metal texture, more delicate surface technology and the gradual visual level of light shining on it have all improved the visual and tactile level of F9 PRO.

shell and the identification metal ring of the male head of the earphone line with left blue and right red are also the special features of Feiao in F9 PRO design. Of course, in addition to design, F9 PRO, as the highest-positioned product in the current series, also enjoys higher treatment in other aspects. Only its black diving cloth storage bag and 12 pairs of earphone covers twice as many as the other two products will make consumers feel that it is worth the money.

▲ Single-ended wire with wire control is convenient for users to use with mobile phones.

▲ L-shaped elbow used in wire is more convenient to use

▲ F9 PRO comes standard with one single-ended and one balanced earphone line, and one storage box and one storage bag, which is convenient for users to choose accessories and headphones suitable for them.

▲ Earplug covers are as many as 12 pairs, worthy & ldquo; Accessories factory & rdquo; The name.

thousand yuan

, of course, compared with other products in this series, the change that the majority of players attach more importance to is undoubtedly that F9 PRO adopts Lou's moving iron unit. It still continues the F9 series 1-turn 2 moving iron hybrid 3-unit design, but the 2 moving iron units have been replaced with TWFK-30017-000 units of the American Lou knowles that have attracted much attention.

on F9 PRO, these two Lou's moving iron units are mainly responsible for high frequency and extremely high frequency performance. The moving coil unit adopts a 9.2mm diameter PEK polymer nanocomposite diaphragm, which is mainly responsible for medium and low frequency output. Well, having said so much, how is the sound quality of F9 PRO after changing the unit? I used it to match Feiao's flagship lossless music player X7 Mark II, and used a balance line that can better play its sound quality.

F9 PRO continues the sound style I felt on F9-Zhongzheng, calm, and outstanding high resolution. With the blessing of the Lou's moving iron unit, this style has been strengthened and helped its overall sound quality rise to a higher level. Among them, the upgraded moving iron unit makes the F9 PRO more delicate and clear in the details and line sense of the high-frequency part of the music.

, I enjoy listening to violin-based music such as Acardo's "Devil's Vibrato" with F9 PRO. When the music extends to extremely high frequencies, it will not have harsh listening feeling, but can catch its excellent overtones with ears, and its transient performance will also add points. The outstanding analytical power makes the voice of the intermediate frequency part more real. Its voice is slightly close to the ear. The tuning style exists to restore the original face of the sound. Although it does not belong to the type that makes people amazing with one ear, you will catch its taste carefully-all the details of the singer's voice will make you better integrate into the music.

is really not what F9 PRO is good at. Feedback on sound details is still an advantage. At the same time, there is not much problem in creating atmosphere, but it is still not thick enough in terms of quantity.

F9 PRO has further expanded Feiao's layout in the earphone market. The blessing of Lou's unit on its products has given it more confidence in the subdivision of ring iron earplugs. As far as F9 PRO itself is concerned, its better workmanship, richer accessories and better units all reflect the sincerity of Feiao. After listening to it, its overall sound quality is outstanding within 1,000 yuan. So now if you ask me to recommend an earplug within 1000 yuan, then F9 PRO will be a member of my recommendation list. Of course, whether it is suitable for you depends on your listening preference.

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