Philips SHL5905 is a 2012 old product, SHL series positioning is different from SHP series, the latter is more inclined to high-end personal applications, such as SHP9000, SHP9500, SHP8900, etc. have a good performance, and SHL is biased towards personal applications. But these The model naming method has changed in the Philips headset product line in the past two years. The SHL5905 also has a brand name called "CitiScape Uptown", the Chinese translation "Bund" series. It was sold at 1000 when it was released two years ago. Yuan or so, the current Taobao online shopping price of 360 yuan or so [Jingdong Net 699 yuan], with silver and brown two.

Philips SHL5905 is not too small, with a fully enclosed design, the head frame inward pressure is greater, the thickness of the ear pad is also thicker, and relatively slightly hard, everything is like most closed headphones Designed with "sound insulation" function. The ear cover of SHL5905 has a large diameter, which can be worn in all-inclusive ear, and the unit has a certain inclination angle with the human ear plane, which can enhance the low frequency effect. The internal depth of the earphone is relatively deep. When properly worn, the distance between the human ear and the speaker unit is slightly farther than the average earphone.

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The SHL5905 uses a 40mm diameter speaker unit with an official 32 ohm impedance and a sensitivity of 103 dB. But no matter what source you are pairing with, you may feel that the SHL5905 is not really "pushing", with the same 32 ohm impedance, 98 dB sensitivity of the rambler H840. In comparison, you may want to increase the volume output level by more than 3dB when using SHL5905. This is because the general value of sensitivity refers to the sound pressure value that can be achieved by applying 1mW power to the earphone at 1kHz, while the SHL5905 may be medium and high frequency. It is more likely that this sensitivity may not really be 103dB. At present, we have no test conditions to test this indicator. Of course, this indicator does not really mean the quality of the headphones.

As the product of the beginning of 2012, SHL5905 supports microphone call [only microphone, no answer button] and analog potentiometer's volume adjustment function. The headphone cable also uses a flat line, which can theoretically reduce the probability of wire entanglement. For thousands of products, these configurations should be considered more fashionable.

The design of the SHL5905 is also very good. The softness and feel of the leather material of the ear pad are very comfortable. The outer side of the head frame has a thick and solid imitation leather material covering the two metal strips of the head frame. Soft cushioning belt. Its head frame structure is commendable. Since the closed earphone is very close to the human ear [in fact, it is a human face?], a little moving noise is more easily transmitted to the ear, and the head frame can be used. The earphones that connect the joints without making a "squeaky" sound are rarely used, and the structure of the SHL5905 solves this problem better [much better than the rambler H840].

In order to better test this headset, we took the headset down for about 300 hours. In fact, SHL5905 is a very restrained earphone with a very simple sound style. Even if you listen to it, it will feel relatively soft. It should be used naturally. Do not deliberately take the opportunity. According to the positioning of the headset, we use iPhone 6 Plus, vivo X5Max as the reference of the mobile phone source, use the music state Monitor 06 MX as the sound card reference. I intend to use the Macbook Pro as a reference for ordinary computer audio, but SHL5905 4 paragraph 3.5 The mm interface is not compatible with Apple laptops.

Overall impression: I just got the SHL5905 sent by the netizen . I just listened to it. I really didn't think it was a SHL series product. Of course, just a few hours before I finished this article, I learned that this product was 900 when it was released. The price of multiple yuan. SHL5905 rare in the closed headphones to position the sound style in a restrained, soft category, especially this closed earphones that pay great attention to the outside sound, even the style is so restrained, presumably SHL5905 design There may be some ideas at the beginning.

High-frequency performance: The high frequency of SHL5905 has better resolution. It also has the high-frequency clean and transient characteristics of the closed earphone. The thickness of the ear cushion of SHL5905 is too deep. In fact, the distance between the speaker unit and the human ear is still somewhat large. Compared with the rambler H840, the SHL5905's high-frequency dynamics are weak, and the extremely high-frequency extension is not as good as the H840. But the two show very different styles, the SHL5905 is soft and restrained, but there is no shortage of detail and stretch, H840 More detailed, open, with good dynamics, performance details are more handy. In fact, if paired with an ordinary Android or iPhone, soft style headphones are more and more useful, because now mobile audio solutions The high frequency is still getting more and more blunt. And ordinary pop music, especially online music.

With the X5Max, the high-frequency dynamics of the SHL5905 can be improved, and the dynamics of the mid-high frequency are slightly strengthened. However, we believe that the main reason is that the physical structure of the headphones makes its sound sound soft and slow. There will be too strong explosive force. If you can reduce the thickness of the ear pad, the dynamic performance will definitely improve [you can press the pressure inward, listen to see]. But SHL5905 shows a slightly soft style and very close in the closed earphone Clean high-frequency details are rare in headphones that cost a few hundred dollars.

IF performance: The mid-frequency of SHL5905 is seriously affected by the physical structure. It shows a style that is not solid enough and the sound is far away. If compared with other familiar headphones, it will generally feel like this intermediate frequency, mainly vocal The performance will be strange. But for this kind of closed-type headphones that are very focused on sound insulation, the processing of the intermediate frequency and the low frequency seems to be a problem, because the tightness is tight inside, but the sound of the closed earphone itself is relatively rigid. SHL5905 Solution, we think it is better to hear a closed type of headphones.

For the reasons mentioned above, most of the closed headphones that are biased towards monitoring will reduce the sense of medium and low frequency, or let the closed blunt style completely erupt. The SHL5905 sacrifices the dynamics of the intermediate frequency, which should be said to be greatly sacrificed by the intermediate frequency. Dynamic, and make the sound sound softer and more tolerant, although there is a certain disconnect between the middle and high frequency parts, and the details are lost, but the sound does not have a blunt feeling, but even under the 06 MX, the intermediate frequency is collapsed, slightly Strange. Compared with the H840, the SHL5905 is completely defeated in the mid-high frequency part, but the sound in the mid-range and mid-low frequency is more full than the H840, and the resolution of the mid-low frequency part is slightly superior. But this softer personality style, I am afraid not Too much in line with current trends.

Low-frequency performance: The low frequency of the SHL5905 is not good enough on the iPhone-class mobile phone. There is a feeling that the closed-end headphones have a completely "push-free" low-frequency, and even the deeper parts of the low-frequency dive are not shown! And on the X5Max Improved, 06 MX can certainly bring greater improvement. Compared with H840, SHL5905's low-frequency sense is obviously more, but it is not the very low-frequency of Aurvana Live!2. The low frequency of SHL5905 is rather restrained. Clean features [but need 06 MX or higher level sound source], but its style is still a type of closed headphones relatively rigid [closed headphones can also be very low-frequency, need powerful amp support, but the details will be rough].

to sum up

In general, the Philips SHL5905 is a thousand-class closed-end headphones. It has a lot of designs that take into account the use of headphones, such as sound insulation, appearance, and wire-controlled microphones. With this positioning, it The style of the sound can be described as "daring". Because of this style in 2012, I am afraid that there are not a few Android phones that can make it sound loud enough on the outdoor street. This introverted soft style is very resistant. However, it is very different from the current fashion trends and mainstream styles. But nowadays as a headset with more than 300 yuan [the market channel is chaotic, I don't know what the price is?], this style is worthy of users who like this introverted soft style. Purchase, it is obviously different from the style of H840 and Aurvana Live!2. The shortcoming is that the high frequency is not transparent in the SHL5905 style, but the feature is that it is very soft, although it is slightly rigid, but more often it is soft, calm and resistant. Listening to one side.

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