In the total portable Hi-Fi player, the price of the HM650 is in the middle and the sound quality is unambiguous. It uses two WM8740 professional DAC chips, and has been carefully matched. The circuit design is simple and practical. While maintaining high detail and high reduction, the sound is warm and sweet, and the thin digital is presented with the mobile phone or low-end audio player. The sound is completely different. The same replaceable amp card design as HIFIMAN's high-end player makes it easy to match the headphones with the most discerning audiophile to adjust the sound you want.
Taobao New Year Festival, HIFIMAN HM650 shocking price (in no particular order)
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The four earphones selected in this small series are moderately priced, and are also representative in terms of type and sound style. So, when they are paired with the HM650, which amp card is appropriate?
FIIL Wireless
Type: Closed headphones for style: rock, electronic, some pop music sensitivity: 110dB
Impedance: 32Ω
Adapter amp card: Power second generation amp card, MINIBOX amp card
I thought that Wang Feng's FIIL headphones would be the same as the BEATS, and the low-frequency tuning style, but this is not the case.
FIIL Wireless does not have the usual low-frequency low frequency on popular headphones. The low-frequency sense can only be regarded as a neutral one, emphasizing dive and texture. The mid-range and high-frequency parts are a bit thin, and occasionally you will feel the tooth sounds when you listen to the vocals, and you can feel the singer's voice become younger. This kind of tuning is more suitable for the taste of the fashion crowd, suitable for rock music, electronic music and some popular music that is stimulating, but in contrast, listening for a long time is inevitably exhausting.
The official match between the HM650 and the Power II amp card has not been available for a long time, but it is highly respected by young audiophiles. Rich detail and loose and moist sound, it is very suitable for matching with FIIL Wireless, so that the headphones are not overly stimulating, more resistant, and more dynamic.
MINBOX amp card has always been a good word of mouth, with HM650, the high frequency sense is relatively small, the intermediate frequency and low frequency are full and mellow, can be said to be mellow without losing details. Such a front-end and FIIL Wireless will play a certain role in neutralizing, making the sound more full and more tolerant, and the appropriate music type will be expanded accordingly.
Sennheiser HD598
Type: Open headphones suitable for style: film soundtrack, classical music sensitivity: 112dB
Impedance: 50Ω
Adapter amp card: MINIBOX-G amp card, optimized discrete amp card
HD598 this headset has experienced great ups and downs, from the comments, mixed feelings, once smashed, and for a variety of reasons was burned by friends. Although the headphone cable is up to 3m long and uses the same 6.35mm diameter plug as the HD600 (with a 3.5mm adapter), most users will not use the desktop headphone amplifier to drive the HD598, but will use a portable player, computer. Even the phone is pushed straight. Objectively speaking, this type of earphone is more versatile, and the low-frequency sense is less, but it still creates a good atmosphere. The sound effect is vivid when watching movies. The open design makes the HD598 sound field very relaxed and natural. Appreciating classical music is more suitable. There is no distinctive feature in the aspect, it is a big headphone that is quite satisfactory and more resistant to hearing. It is suitable for fans who are not very demanding.
The MINIBOX-G amp card is the same as the MINIBOX amp card, but the style of the two cards is not exactly the same. In detail, the MINIBOX-G amp card with gold-sealed op amps is superior, and the tri-band distribution is more even, and the high-frequency is more transparent and meticulous. It has a large driving force. When it is equipped with HM650, it has a good effect on driving HD600 and HD650, let alone HD598 with higher sensitivity and lower impedance.
This amp card really makes the HD598 sound fuller and more stereoscopic, and the sound performance is improved by a whole grade, but its price is also the highest in the single-ended amp card.
The HM650 is more versatile with the optimized discrete amp, and the detailed sound is velvety, perfect for vocals and small instrumental music. The HD598 is matched with it, it can be said that the advantages of the two are superimposed, the classical music is outstanding, and the vocals will become sweet and more recognizable.
Sennheiser MX985
Type: Flat head moving earplugs suitable for style: pop music, instrumental solo sensitivity: 120dB
Impedance: 16Ω
Adapter amp card: classic second generation amp card
The MX985 is one of the few popular flat-headed earplugs in the near future. It has been discontinued, but the quantity is high and can still be bought on the market. With the sponge cover removed or removed, the sound of the MX985 will change significantly. After the sponge cover is attached, the low frequency of the earphone will be more sufficient. Correspondingly, the high frequency will be darkened and the details will be weakened. After removing the sponge cover, the sound is fresher and the details are improved.
The sound field of this flat headphone is elliptical, the transverse sound field is wider, and the longitudinal sound field is narrower. Therefore, Xiao Bian thinks that it is not suitable for enjoying large music, but it is an excellent vocal earplug and solo in instrumental music. The restore is good.
The classic second-generation amp card, also known as the C2 card, is the earliest standard amp card for the HM650. It is characterized by warmth and rich flavor. Due to the tuning style, the HM650 is warmer than the classic second-generation amp, but it is not too strong. The MX985 is paired with this front end and has a fuller taste, and it sounds comfortable both male and female.
SONY XBA-H3
Type: In-ear ring iron earplugs for style: pop music, string sensitivity: 107dB
Impedance: 40Ω
Adapter amp card: IEM amp card, balanced amp card
The Sony XBA-H3 is a typical ring iron earplug. The low frequency part is responsible for the moving coil unit and has obvious Sony tuning characteristics. The high frequency is responsible for the moving iron unit, which is bright and not irritating. There is a warm sound in the middle band, which is what the enthusiasts often say "Sony". The low frequency is not very sensitive and the dive is moderate. In short, this earplug is not suitable for enthusiasts who like straightforward style, but it has a lot to do with the performance of pop music and string.
The IEM amp card is designed specifically for in-ear moving iron headphones. HIFIMAN is also suitable for the popular ring iron earplugs. Compared with other amp cards, its driving force is too small, but because of this, it does not produce the slightest irritation when paired with moving iron headphones. The combination of the IEM amp card and the HM650 ensures that the sound details are rich, and the sound is clean and the tuning is refreshing. When combined with the XBA-H3, the earplugs can be fully appreciated.
The XBA-H3 has a lot of potential. You can replace it with a dedicated headphone cable with a four-level balanced plug. Try to balance the output.
After replacing the HM650 with a balanced amp card and adjusting the output mode, use it to match the balanced headphones, and you can fully appreciate the charm of balanced output. In the case of using the same set of equipment, the balanced mode has a larger sound field, more details, and higher separation than the normal output mode, which is a more professional gameplay.
For "moderate" enthusiasts, the price of the audio is not the most expensive, it is not the cheapest, but it must ensure a good result. There is no perfect equipment in the world, and enthusiasts can adjust the sound they want after a reasonable match. The design of the replaceable amp card used by the HIFIMAN brand can make a piece of equipment reflect different styles, which is undoubtedly a more economical and practical method.
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