, as a product of portable music players and portable earphones, is familiar to enthusiasts. Recently, the product line of headphones has obviously been placed in an important position in its product strategic planning. After perfecting the "Ripple" F9 series products and introducing the "Bright Eyes" FH1 and Bluetooth Headset FB1, which cover a wider range of market consumers, Feiao has brought us a new headset product -- FH5 again without stopping.

and F9 series products is the same, but the difference is that FH5 has no such relationship with FH1 previously introduced. It is a brand-new product. More importantly, FH5 replaced F9 Pro, once again raising the positioning of Feiao's earphone products to a new position.

FH5 specification parameters

way of wearing: around ear into ear

unit type: 1 turn 3 moving iron (Knowles)

frequency response range: 15Hz ~ 40kHz

horn impedance: 19 Ω

Headset sensitivity: 112dB/mW

Rated power: 100mW

Replaceable line design: Yes (standard MMCX interface)

Connection length: 120cm

plug type: 3.5mm gold-plated plug

Single weight: 8g

Other main accessories: storage box, carrying case, 12 pairs of earphone covers (three pairs each of equalization covers, low frequency covers, vocal covers and memory sponge covers), cleaning brushes

reference price: 1698 yuan

Design: Continuous Evolution

from F9 series to FH1, I have clearly felt its progress in earphone design since Feiao began to name these earphones in Chinese. For FH5, Feiao continues this tradition. Its exterior design is learned to be inspired by acoustic streamlines, and it presents the image element of roads and ravines formed after countless small rivers flow through, such as rolling hills-"converging into rivers and flowing endlessly". The design of FH5 does have some such artistic conception.

FH5 is relatively wide, with irregular streamlined shapes, and has a design style similar to a custom earphone male model. Its main body is made of precision aluminum alloy and five-axis CNC machining technology, with strong metal texture and warm and delicate hand feeling. The cavity shell is the fluid element design mentioned earlier, which has a strong three-dimensional effect and good refinement. The whole is metallic gray, and the cavity frame has a circle of gold trim strips, which outlines the outline of the headset and enriches the visual level. Compared with Feiao's previous earphone products, I can once again feel Feiao's progress in earphone design and technology on FH5. It is not too much to say that it is Feiao's best product in technology design at present.

▲ Aluminum alloy earphone shell is excellent in workmanship and texture.

▲ There is an air hole on the inside of the earphone housing

interchangeable lines has become standard for most of Feiao's earphone products, and naturally it will not be absent from the FH5, which is currently the most positioned. It is still a standard MMCX interface, and the number of optional headset upgrade lines and the convenience of plugging and unplugging are guaranteed. The standard earphone cable is a 3.5mm single-ended L-shaped metal shell plug. The left and right sides of the plug connected to the earphone unit are respectively distinguished by blue and red. At the same time, the corresponding positions of the earphone unit also have such color settings, which can quickly distinguish the left and right units during connection. The details are carefully designed.

▲ FH5 adopts an interchangeable wire design and provides a standard MMCX interface. There are many suitable wires.

earphone line adopts LC-3.5B single crystal copper silver plating upgrade line, which can effectively reduce distortion and loss in signal transmission. It is wrapped in transparent TUP material, and an additional layer of transparent material is added to the hanging ear part, which should be considered from the perspective of molding and wearing comfort. The overall workmanship is excellent. The earphone wire has no wire control function and is a pure listening wire. It can be said that this earphone line on FH5 should be the best standard earphone line in Feiao earphone product line, but it does not provide 2.5mm balanced earphone line, which is estimated to be from a cost perspective.

▲ FH5 standard LC-3.5B single crystal copper silver-plated earphone wire, 3.5mm single-ended L-shaped metal shell plug, transparent TPU material package, excellent workmanship materials.

▲ FH5 has a long earphone line, and the standard harness design is convenient for users to arrange the earphone line.

▲ "Accessories Factory" will naturally not be stingy. FH5 has as many as 12 pairs of earplug sleeves, which are divided into four types: balanced sleeve, low frequency sleeve, vocal sleeve and memory sponge sleeve.

▲ In addition to rich earplug covers, FH5 accessories include storage boxes, carrying cases, cleaning brushes and other practical tools.

: Quality Assurance from Structure to Components

have seen the exterior design, the interior of FH5 also has a lot to say. We all know that among the three major parts of a car, the chassis is the basis that determines the overall driving texture. In the design of FH5, Feiao also used the concept of "chassis.

FH5 adopts a patented structure called TRISHELL. The whole is composed of the front cover of the middle frame of the magnesium-aluminum alloy rear shell with five-axis metal processing, and three screws are used for three-point fixing. As can be seen from the official earphone structure explosion diagram, the screws hold several parts together well. The advantage of this solid and stable "chassis" structure is that it can reduce excess resonance, thereby greatly reducing distortion and providing a good guarantee for the purity of sound.

▲ FH5 is designed with three independent sound holes

patented technology is not only here, but also Feiao has adopted a unique design on the FH5 low-frequency sound tube. This S.TURBO acoustic turbocharged structure patented by Feiao uses the sound wave conduction characteristics to enhance the bass effect through the shape of the turbine, allowing the bass to have a deeper dive. At the same time, it also cleverly filters out the extra medium and high frequency information of the moving circle to ensure the smooth connection of low frequency and medium and high frequency timbre and make the listening feel more surging and thick.

Feiao also adopted more independent design of three-frequency sound holes for high, medium and low output tubes that can only be seen on high-end earphones on FH5. The high cost is high and the processing is difficult. Through reasonable design of the unit installation position and the length of the sound tube, accurate frequency division and adjustment can make the three-frequency connection smooth and better play the potential of the four units. I removed the earplug sleeve, and through the metal mesh cover, it was obvious that the three independent sound holes were arranged in a triangle.

in the unit part of FH5, Feiao continues to walk the ring railway line that can combine the advantages of low frequency of moving coil and medium and high frequency of moving rail. But this time it went further, using a three-moving iron design. Among them, the medium and high frequency are all driven by Lou's moving iron unit, the medium frequency is ED 30262 medium frequency unit, and the high frequency and extremely high frequency are 31082 further optimized on the 30017 composite double unit. The 10mm polymer composite membrane strong magnetic unit can better play the bass diving ability. This unit configuration makes me full of expectation for its sound performance.

Wearing Experience: Comfortable and Stable

mentioned earlier that the cavity of FH5 has a design style similar to custom earplugs, but in actual wearing, this design brings me a good feeling. Its outline fits the shape of the auricle, and it is comfortable to wear. At the same time, the part in contact with the ear is warm and smooth, and the touch is comfortable. In addition, the visual effect of this shape after wearing is more personalized and classy than ordinary in-ear headphones.

▲ In addition to the traditional letter identification of left and right units, FH5 also uses red and blue metal rings to distinguish left and right units more quickly.

the ear part is not deep, I tried various types of earplug sets, the comfort is not bad, with a moderate feeling of filling, and will not have too much pressure on the ear canal, users can choose earplug sets according to their listening needs and preferences. FH5 adopts the way of wearing around the ears. The design around the ears brings excellent stability, and the comfort after wearing belongs to the mainstream level.

audition feeling: the three-frequency connection is smooth and naturally resistant to listening.

in the audition session, I used Feiao flagship lossless music player X7 Mark II to match FH5. Although it is also a ring iron earphone, the first feeling FH5 gives me is quite different from what I heard on the next flagship earphone F9 PRO. The first thing I noticed was the performance of FH5 in low frequency rather than the outstanding high frequency resolution of F9 PRO, which is somewhat similar to the feeling of my first ear on FH1.

However, compared with FH1, the low-frequency quality of FH5 has been significantly improved. This difference is reflected in a more abundant sense of quantity, excellent transients, clear knots and a depth of diving beyond the same level. The listening feeling that finally appears in my ears is a low-frequency performance that is more explosive and can enhance the musical atmosphere. Although I first noticed its low frequency, this does not mean that FH5 is a headset that goes down. It does a good job in the balance of the three frequencies, especially the high, medium and low frequencies of the ring iron unit. The convergence is good and the transition is smooth.

will not be too close to the ear. With its excellent knot image, natural and neutral sound style, the listening tolerance is excellent. Whether it is male or female, the moderate analytical power presents a sound texture worthy of careful taste, and the overall route is to restore the essence of sound. The multiple moving iron units of FH5 do not blindly use the characteristics of its analytical power, and show the sound details to the listener, because although you will lament its excellent analytical power, you will be tired after listening for a long time.

the high frequency of FH5 still has interesting details, but the amount of information will not be so large as to impact your ears. It serves more to present the texture of sound. You will feel that the high frequency is less sharp and angular, and has more real taste of instrumental music itself. On the whole, the hearing feeling of FH5 is different from that of many iron headphones. It gives me the feeling of moving the style of headphones. The sound is delicate and durable. At the same time, the resolution is controlled at a moderate level to ensure the overall sound level.

is written at the end.

on FH5, Feiao made me feel its "butterfly change" on the earphone product line. This is a product that integrates the essence of its technology, technology, component design and other aspects after coming all the way through F9 series, FH1 and other products. To be honest, the price of more than 1000 yuan is not high on the Hi-Fi headset line, and it can even be said to be the price that has just entered the threshold. However, it is at this price that Feiao has made FH5 have a lot of leapfrog performance. Having said so much, I believe you will have more feelings if you have the opportunity to experience the audition on the spot.

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