The review model has a problem: it is very close to the ideal. 7Hz Eternal headphones are expensive. In them, even the unloved music that you changed will sound different, and you will discover genres that you did not like before in a new way. The naturalness of the sound canvas is evident in the fact that when listening to it, it seems that the music is not sounding in your ears, but around you, which makes you turn around and see if it really is. There seems to be no layer between you and the music.
No matter how crazy the previous paragraph seemed, it really is. I apologize in advance for the pathos and excessive emotionality in the description of the sound, but the headphones really pleased. For me, they currently rank first. These are the most expensive headphones I have ever heard.
Description
The box that the model is in exactly matches that of the 7Hz Timeless. The main technical specifications are presented on the back.
The main color of the model is burgundy, which runs like a red thread throughout the scope of supply. Such a feature adds charm, beauty and anticipates the hopes of exceptional sound.
The package includes: 11 pairs of multi-color core ear tips, instructions and a certification card, a two-core monocrystalline oxygen-free copper braided cable, a metal case and earphones, which are pre-packaged in separate bags. Everything looks expensive, like the headphones themselves. The sound corresponds to the price and appearance of the headphones.
The model is big. There is a direct resemblance to the 7 Hz Planar Timeless model.
The diameter of the sound guide is 5 mm. Headphone shell construction: CNC aluminum (5038), which is the most corrosion resistant. The glass on the top of the earpiece is covered with a layer of sapphire, that is, it is difficult to scratch but easy to stain.
Connectors: mmcx, that is, moderately tight for fixing. The cable is not prone to twisting. In the landing places on the ears there are special ear hooks for a perfect fit.
I will tell you about the cable separately. It’s good, but it picks up noise in those parts of the music where only one or a few instruments are heard (I mean hiss, like at the beginning of Opeth – Soldier of Fortune (Soldier of Fortune, 2006)). The hiss is not loud, but it is noticeable. It could ruin your listening experience. For more music enjoyment, especially live performances, I would advise replacing it with, for example, Kinera’s Leyding cable. The cable is expensive, but the noise disappears.
Unfortunately the connectors on my Kinera Ace cable are different than the mmcx ones so I can’t say for sure how it will deal with noise, but overall it does well too and is cheaper than Leyding. I also have a cheap NiceHCK cable that I bought additionally (now it costs half of what I bought, but there are no necessary connectors), with which 7Hz Eternal does not sound – the terminations are short and the stage is not as deep and wide as in the case of bundled cable, not to mention Kinera Liyding.
So if possible replace the cable or the DAC, oddly enough. With my Yaqin X8 DAC on AK4493EQ, built on two RT6863D amps and a CT7601P driver, changing the cable made the noise go away to a greater extent than when listening to Eternal through a Xduoo Link2 bal DAC, built on 2xCS43131 and a TI amp. LM27762, via a NiceHCK cable (but with the included headphone cable, the noise was at the same level as via the Kinera Leyding cable via the Yaqin whistle). With the Link2 bal you don’t have to change the cable as the noise level is lower, but instead of power you get a clarity of performance which in my opinion is not always as good as with the Yaqin.
The landing headset looks very futuristic and unusual. Beautiful, okay? As beautiful as the fit is, so is the way music is perceived on the 7Hz Eternal.
The headphones use a 14.5mm liquid crystal polymer (LCP) dynamic driver.
specs:
- Headphone type: in-ear wired
- Cable length: 1.2m
- Drive Type: 2.5mm
- Connector Type: mmcx
- Driver: 14.5mm liquid crystal polymer (LCP) diaphragm dynamic driver
- Resistance: 30Ω
- Sensitivity: 109dB
- Maximum distortion: 0.2% at 1 kHz
- Frequency range: 20Hz – 20000Hz
- Interchangeable tips: 11 pairs with multicolor cores
- Maximum output power: 5mW
- Earphone weight: 6g
Listening to music
So far, I listen to all headphones through one source: the Yaqin DAC X8 DAC in the AK4493EQ. For me, Eternal is different from the others: in a natural presentation or as close to it as possible. The endings have weight, continue and are pulled further, thus creating volume, the effect of presence between many instruments, their positioning and the clarity of each note. Instrument endings are not blurred, each instrument is legible. The details are transmitted so naturally and inseparably from the general scene that the music sounds a little different, in a different way.
The bass is shaped and feels like a passive speaker that changes with the beat of the music, on the Eterno it’s heard in growing and shifting layers. Composition example – Shpongle – Star Shpongled Banner (Brothomstates Remix) (Shpongle Remixed (2003), 2003). At least unusual. I haven’t heard anything like this with other headphones.
Listening to live performances through the Eternal model is something completely unimaginable, at least in no other I have heard such an effect of presence, clarity of notes, voices, naturalness of music and instruments. An example of a composition is Lara Fabian – Je t’aime (Live, En toute intimité, 2003). It seems that the best headphones for live performances have not been invented yet. For my part, it only remains to take my hat off to such an audition, as live performances are beyond praise. I even started looking not for studio recordings of compositions, but for concert recordings.
The electronic music in 7Hz Eternal sounds very good, it is heard and heard again because of the impression of why I had not heard so much clarity before, so sharp and at the same time bold, heavy, percussive endings. In the composition Infected Mushroom – Im The Supervisor (Im The Supervisor, 2004) I discovered new notes, post sounds, endings, not to mention clarity, bright drums, but at the same time no hiss. This perception of the musical canvas creates the impression that it should sound exactly this way and nothing more.
The upper range is good for everyone: bright, not cutting the ear, rich, expressive. There is also a personal perception of the sound in it: sometimes it is heard tight. An example of such a listening is the composition Shpongle – Once Upon The Sea Of Blissful Awareness (Esionjim Remix) (Shpongle Remixed (2003), 2003), in which the beginning sounds a bit wrinkled, not quite brilliant, but as if out of Yes. a bucket
There is a similar sound sensation in the middle, but, as in the upper range, the overall impression of the sound levels out and it remains only to listen to enjoy, sometimes looking around, and if the music sounds on the street instead of my ears.
In some compositions, you can hear the headphones go into micro-contrast and detail so much that you wonder what’s wrong with the recording, but all is well as the performer begins to sing. An example of what I heard is the beginning of the composition Imany – If You Go Away (Voodoo Cello, 2021).
Compared to the previous 7Hz model, Timeless, the upper range sounds brighter and more emotional, but there are different drivers, so if you want brighter, clearer, louder and more natural, I’d advise Eternal.
conclusion
Such a positive impression of the sound creates a liquid crystal polymer (LCP) driver. There is a similar one in TinHiFi T3 Plus, but with a diameter of 10 mm. Both models are good, but for the objective reasons outlined in the review, the 7Hz Eternal is much better than all the models I’ve heard before.
Check the current price of the headphones at Shenzhenaudio Store. If you go to the messages to the store (in the app) and click on the envelope icon, an unlimited $1 coupon will be issued. A similar coupon can be given for subscribing to the store. The relevance of both options must be verified to obtain a discount.
- Leonard Cohen – Famous Blue Raincoat (Live November 13, 2008; O2 Arena, London, England)
- Rammstein – Radio (2019)
- Captain Sunshine & The Valley People – In Space We Dream (Tomorrow You Never Know, 2013)
- Space Movement – Feel My Body (Feel My Body, 2021)
- Various Artists – Aperol Spritz (Pleasant to the Ears: Chillout Music to Pamper Yourself, 2020)
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