A4000 Single-Driver IEM Earphones, High-Fidelity Sound, Detachable Cable, Lightweight in-Ear Monitors, Premium Audio Quality, Comfortable Fit, Durable Design, Ideal for Audiophiles

I ordered these based on a couple of YouTube reviews, none of which brought up a frequency response graph. I wanted a taste of what good soundstage sounds like from an IEM without spending big money, so I got them. They immediately sounded like they had a V-shaped signature, and while I don't typically aim for that sound signature, I had no problem with these. Treble: I liked these much more than my OH10s because while the frequency response graphs show a huge hump in the upper mids/treble for the A4000s, the OH10s sound much sharper. The A4000s certainly don't lack detail, but they come across as much smoother. If I had looked at the frequency response of the treble before buying these, I would not have bought them. Mids: They exist, just a little thin. Bass: This was the most surprising aspect of the sound for me. I wasn't expecting much coming from solid metal IEMs like the OH10s, Arias, and Tin T2s, but the bass is punchy, smooth, and round (in a pleasing way). It doesn't sound particularly fast, but it has great tonality. The sub-bass is slightly forward, but the mid-bass tapers well into the mids. Soundstage/imaging Just like everybody else says, very good. I don't have much else to say other than that it feels like the A4000s push everything away. It rarely feels intimate, even when it feels like it should. I've heard their more expensive model can do both intimacy and width, whereas it feels like these focus purely on width. Something to note is that I like to bring these to the gym because of 1, the comfort and fit; and 2, they scale extremely well with volume; they never sound crowded, the bass hits hard, and the treble never becomes too sharp. That being said, the filter on my right bud got soiled from what I am assuming was sweat, but after a couple days of drying, it appears that the filter is back to normal. I really began to appreciate this product after looking at the frequency response graph on Crinacle's website. While the mids are most definitely recessed, the graph tracks extremely well with the target between 500-2k after which the hump begins. The treble hump encroaches a little bit on the upper mids which leads to the mids sounding a little thin in general, but they avoided making any mistakes in the gain region and so vocals still generally sound natural enough. The treble is emphasized, but even, and returns back to the target after 10k which prevents them from sounding too sharp. I don't know why they don't sound sharp, but it's pretty cool. If I ever go into kilobuck range, the A8000 is definitely one of the options I'm looking at.

The Final A4000 has a neutral tonality with the upper end leaning bright. The low end is fast and punchy, slightly recessed. Comfort is on par with similarly priced iems and the included ear hooks were nice but I ended up removing them. The soundstage - it’s good, made much better with foam tips to get the best out of them. The Joshua Valour review isn’t necessarily overhyped but you should try a few different tips to maximize the sound according to your preference. The A4000 excels at instrument separation and has a very enjoyable tonality. Coming from a Tin T4, I prefer the tonality of the A4000. The midrange is more open and it seems to be more clear in general. I will note that the upper frequencies are elevated, not painfully sibilant, but right on the edge of unnatural. The cable does not have microphonic issues but feels cheap nonetheless. I’ve heard they don’t fit all 2 pin cables since there is a notch in the housing. READ ALL THE WAY FOR UPDATE: One issue with my specific pair - the left channel distorts/chatters noticeably around 50-60hz at higher volumes. Does not disturb the listening experience but as a snobby nerd it does bug me every then! May return to get another pair that passed the QC with flying colors. ;) UPDATE: Final swapped my pair for a new, and they sound perfectly balanced L/R. Bottom line - if you are looking for your first IEM or are adding to your Chifi collection, this is a great one.

Bought these for gaming. Sound quality is good and is definitely superior than headphones when it comes to music. On the gaming side it was difficult to hear where sound was coming from directionally. I’ve been using these for a couple months now thinking I would get used to it. For example, in R6 sound is crucial and it as difficult for me to discern hearing if someone was above or below me. The sounds just meshed together as if the sound was just next to me. Currently looking for a replacement but if you were to just use these for music go for it. Gaming with these isn’t really recommended if you are competitive.

Final Audio utilized design features from their $2,000 A8000 IEM in creating the A4000. Perhaps because of this, the A4000 sounds vastly better than you would expect for $159. The soundstage is remarkably wide, imaging is clear and highly detailed, and tonality is natural. The sound is warm with an exceptional midrange and good bass response. These sound to me like they could cost $1,000. Probably the best deal you can get for affordable IEM, especially if you like the sound signature. (I am using using these with an Audioquest Dragonfly Cobalt DAC/amp, and the Dragonfly significantly improves the performance of the A4000. I highly recommend the combination; it sounds stunning).

Buen producto, no incomoda al usarlos, el volumen es vibrante y se puede utilizar por largas horas de trabajo, más cómodos que mis airpods pro sin duda y con mejor calidad en hi res.

Got it today. Tested with 4.4mm balanced cable Linsoul Tripowin Zonie 16 Core Silver Plated Cable SPC Earphone Cable for BL03 TRN V90 V80 AS10 ZS10 ZS6 ES4 ZST ZSR iems(2pin 0.78-4.4mm, Grey) https://www.amazon.com/dp/B07ZQBBCW7/ref=cm_sw_r_cp_api_glt_fabc_C70FSWYTMQ8H10BC31HH?psc=1 Sounds super great, details, clear & wide soundstage along with enough bass & noise cancellation. Listening with Fiio Q3 & Topping A50s

ZEN DAC3に接続して聴いているのですが、本当に気持ちのいい音を出してくれます。鳴らしにくいイヤホンなので出力は必要ですが（自分はZEN DAC3に純正の外部電源も取り付けています）、性能を引き出せた時は本当に感動しました。つけ心地や疲れにくさが素晴らしくて、私は基本的に体力がないのでバランス接続は作業時、あまり長い時間使えないのですが、このイヤホンは3.5mmだからこその軽さが存分に発揮されているように感じました。ケーブルやイヤーピースなどもいろいろ取り替えてみたのですが、やはりこのイヤホンは柔らかい純正ケーブルとフラットな筐体、丸っこい純正イヤピで完成されているなと感じました。毎日作業をするので、このイヤホンを買って、大変助かっています。体力に自信がないけど、お仕事時気持ちよく作業したいなっていう人におすすめです。

This brief review is of the A5000, Final's latest IEM. I'm a big fan of Final's Japanese, minimalist aesthetic, these look lovely, are very light and disappear in the ear. They are made of a tough plastic which I prefer over metal, they are less likely to swing about like wrecking balls and crack my phone screen when they inevitably collide with it. The cable is excellent, braided, soft, handles well and has minimal effect when rubbed on clothing. The included eartips are Final's excellent Type E, the nozzle of the IEMs is a standard size and will fit most of the easily obtainable and popular tips like Spinfit, JVC Spiral Dots, Comply, Azla etc. The A5000 is easily powered by my Sony phone's headphone socket, I listen at a level a little louder than is recommended and find 60% vol on my phone to be loud, I mean a fun loud too. Some people describe them as hard to drive, they are not, 100 dB/mw sensitivity is lower than many IEMs but an iPod, Walkman, a decent phone or an inexpensive dongle is more than sufficient, unless you're hard of hearing of course. I use an IFI Go Blu and sometimes a THX Onyx with mine, power wise they're overkill for IEMs but they sound great. I love how these sound, you could describe the sound as in the realm of neutral with full bodied and impactful bass. You could also describe it as a mild V shaped signature, broadly speaking this means that the bass and treble are emphasized with the midrange slightly recessed. This produces a lively and engaging sound that works well with a very wide range of music. Like most people I have eclectic taste in music, the A5000 sounds great with everything in my library, I listen to a lot of electronic music like Autrechre and Clark as well as trad Japanese, Gamelan, whatever genre Joanna Newsom and Sarah Davachi are in, rock like Daughters and Sunn O))) as well as modern classical, ambient and some jazz. If you've tried the A4000 and liked it, you'll probably like the A5000, I found the A4000 a little sharp and thin sounding with some music, I use an IFI Go Blu and always turned the bass boost on with the A4000, I don't need that with the A5000, it would be excessive. The A5000 has a warmer, smoother sound than the A4000. I think its a substantial upgrade from the A4000 and consider it good value for money. I'm very pleased with the A5000, since I bought it I've been having fun listening to well loved tracks and discovering details I hadn't noticed before. It's also very comfortable to wear all day.

音質が凄すぎる。 でも、音質を楽しむというよりは音楽を楽しめるのがいい。

Arrived on time and really happy with the quality of the in ear. Also very comfortable as well

Absolut erstklassige In-Ear-Kopfhörer, würde ich sie wieder kaufen? Ja.