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Hi guys, first of all thanks for your continuous support. Recently I got lots of Patrons asking for refunds, not being satisfied with the content etc. I must confess I had a hard time lately and concentrated solely on achieving the best possible sound out of an IEM, which is not something you can do within some days. But I think I finally managed a really satisfying result with my latest setting at least for me. I cannot offer a decent sound to anyone else if I don't even manage it properly for myself, but listening back and forth between speakers, my current tuning for the Free Pro 2 and my reference headphone which is the HD600 with my personal EQ I posted before, makes me finally satisfied to some degree. I can never be satisfied by 100%, but I am at a point where I think I finally managed a really natural sounding honest tuning which has no obvious flaws anymore and can really be called "reference" especially to be used for judging my upcoming recordings and sound demos. Any realistic headphone or speaker demo doesn't make sense if the result you are hearing doesn't remotely represent what I recorded. Therefore I think the first goal should be to find a common reference base so that you at least will hear something close to what I was hearing. After having finished all settings of the current reference tuning for all the other resonance frequencies, I will also need help from you to optimise those settings as well, which I cannot verify with my own ears anymore.  Once done, I will start working on optimising the compensation for my binaural microphones, this way I should be able to get less colored binaural recordings thanks to having normalised my monitoring chain. Neither this is something which can be achieved within some days. There is lots of trial and error involved finding a smoothened average which would work for my recordings to sound similar to the real thing. Lots of listening sessions, continuous comparisons are necessary to really ensure the result I offer is valid and realistic. If I don't manage this at least for myself, it doesn't even make sense trying to "sell" this to someone else. 

I am well aware of the recent announcements and releases like the upcoming Soundboks Go. One of my friends already got a unit prior to release and his first impressions were sobering.

The default sound presets sound just horrible, with a hollow boomy sound signature, the user EQ can help a little but it still won't sound any decent. It's basically a Soundboks 3 cut by half with just a single woofer and tweeter and cheapest components built in. Thanks to clever marketing and expensive advertisments they will still sell tons of them, but I highly doubt I would even consider getting one. I asked Soundboks if there was a way to get a test unit, but they ignored me so far, as I am obviously not promoting the products I am getting enough, unlike most other Youtubers who on top of this get paid to promote stuff. 

I also noticed the new Sony Linkbuds which thanks to their unique open design looked quite interesting, but after having heard the first verdicts from some of my trusted sources, I definitely won't be getting them, as they may be decent for podcasts or as handsfree if you need to have your ears unblocked but still want to be virtually connected...

The most tempting headphone I noticed lately could be the Hifiman Edition XS praised by every reviewer so far. I may order one just to get an own impression. Once my recording setup stands and I am sure my sound samples are valid I will consider getting it.

I am also planning to get some popular IEMs just to confirm how unusable they all are. I got the new Earfun Air Pro SV, but didn't want to lose any words about this. It doesn't even fit properly within my ear. It also uses the Airoha chip and could be maybe tuned properly, but it doesn't remember the setting after power down. Earfun also released an own app for it featuring a simple 3-band EQ, which cannot really help to improve the sound at all. I suggested them to offer access to the full parametric EQ, but they refused and I simply diIdn't want to mention it at all. I also got the AKG N400NC TWS which was praised by Crinacle ais being the best sounding TWS IEM, but it sounds so bad that I put it away immediately. I am actually a bit unsure what is going on with the IEM market currently with some "fake-driver" IEMs, or hyped 700$ IEMs with responses beyond any logic, that I simply lost interest in this entire topic and see it just as some kind of business model trying to fool people selling them the same crap again and again. I have some IEMs on my list which I would like to order simply to proof my claims. I thought about getting these ones: The JBL Reflect Flow which got the highest rating from German Stiftung Warentest, the Nothing ear (1) was sold more than 100000 times within a short period of time, the Shure AONIC Free True Wireless could also be interesting just as the Anker SoundCore Liberty 3 Pro, or the Technics EAH-AZ60-S Premium Class True Wireless Inear and maybe I'll finally get the Apple Airpods Pro, if you have some further suggestions, or think there is some particular model which is worth trying, please let me know. I just need to find a way how to order them all at once and still be able to return them afterwards, because I cannot afford keeping them all, as it would be like throwing money out of the window. My only income right now is thanks to your support. With so many dropping off currently I am not sure I will be able to afford ordering them at all.

I should also be getting an upcoming speaker sample from Earfun soon which was repeatedly delayed because of some unexptected problems. I have no details about the speaker yet, just that it's called UBOOM L and I should give my expertise about the final tuning. The speaker may be marketed with my name as collaboration, but so far I had nothing to do with this product and I am not sure it could be something promising. I have only this rendering which would suggest a Sony XB33 clone:

I tried convincing Earfun about a future IEM based on my requirements etc, but they didn't show any interest. Also a contact to another company about a possible IEM freely tunable was so far rather desillusioning with maybe more details next year. But there doesn't seem to be much interest in producing something really decent sounding it would seem. It's all about mass sales because thanks to extensive marketing and praise from all popular influlencers people will buy it anyhow. This was confirmed by the product manager I was talking to. It would be a niche product, as highest sound quality doesn't seem to be the highest goal, but everything is based on possible sales and marketing. They would rather pay tons to have the name of a popular gamer on their product than having me involved in the tuning process. It was depressing hearing this from someone actually knowing the products and market, although  even he complimented on my recent tuning.

If you have discovered other new interesting products which you think are worth checking out, please let me know. Maybe I will prepare an own post where everyone could comment about possible products for me to get for a review. But please keep in mind that I have to buy all these products with my own money, because I don't get free samples or sponsorships unlike all the other reviewers. 

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Comments

Josh Barrie

Buncha quitters around here... But they'll turn around and go spend as much on a single "coffee" ONCE...

Dmytro Khozyayenok

Hi Oluv, thank you so much for all hard work that you do for us. Your integrity, honesty, and attention to details are highly appreciated. Keep up your good work. We are always excited to read your posts, and we wish you success finishing your reference set up. Honest and unbiased reviews are rare gems in the internet ocean. And you are one of the best audio reviewers that we know. We will continue supporting you no matter whether you will write 2 or 20 posts per month. Quality over quantity.

David Walsh

The Tanchjim Ola are not a bad set for the price. A lot of fit issues, but I was able to fix by bending the cable.

oluvsgadgets

Is it worth getting for 40$? The Free Pro 2 can be found for 47€ right now with the current discount.

Eddie Sheard

I’d like to see what you think of the liberty 3 pro. I’ve been tempted by them since they came out but have been cautious of all the overly glowing reviews on YouTube.

David Walsh

The Ola? No it is probably redundant. It is interesting, because for a Chinese IEM the tuning is looking quite a bit like an etymotic. I could send you my pair if you are interested.

Mister 13

The Soundboks go is not cheap It’s only 300 bucks cheaper than the soundboks 3 I didn’t like the soundboks 3 tuning, i tried If it has the same tuning it must be the same junk ^2 For this price i don’t think this will be outstanding, i would rather get a rockstair air or a partybox 310 if size doesn’t matter while being cheaper

oluvsgadgets

Yeah that measurement made me somehow interested as it seems to handle the resonant peak quite well, although who knows how the response would look with a lower resonance.

Kevin M George

I would be curious as to your intentions with some of this other gear that you would be looking at... ? If I was to extrapolate/guess I don't think you are going to really like a lot of what you've talked about: Sony Linkbuds, Soundcore Liberty 3 Pro (or at least their default tuning). I'm not sure it would be a fair comparison to compare some new IEMs to the highly EQ'ed optimized Earfun free pro 2. That doesn't sound optimistic, but comparing something someone else made to something you've spent the last 6+ months perfecting - I'm sure we can guess on what you are going to prefer... is there a deeper plan with some of these that you are thinking of? I think I'm coming off as too negative or stifling your creativity and is/was not the plan - I'm more just asking questions.

David Walsh

Well, if you do consider them, remember my comment about the fit, it seems 90% of people have an issue with fit. I believe it is due to the cable, and easily corrected. My offer to send also remains.

oluvsgadgets

Some of these cost 200€ and more, I mean what is the reason to justify that price if not for sound quality?

Alessandro Santo

Hi Oluv, I want to try your reference tuning for the free pro 2 but the eq settings in the airoha app don't apply for some reasons. I tried many times but when i click on save eq settings or any other command it then tells to wait...i left the app open for nearly an hour but nothing changed. Possible fixes?

JB6789

I often wonder if any of the Bluetooth earhooks (that can be married to IEM's) would not support some reasonable degree of custom EQ. I have a couple of sets of the KZ AZ09 Pro's (BT 5.2, QCC3040, AptX, AptXLL, TWS+); I modded the second set to 2-pin so that they can pair very well with my Olina's & Shuoer S12's.

LaWd

I dont think people understand how difficult what you are trying to achieve is. Dont let them bother you man👌👌

Björn Eenboom

I’d like to strike a blow for Oluv regarding the recent criticism of patrons who are not satisfied with the content. I ask myself what’s the use of frequent content, testing at best mediocre audio products, in comparison to what Oluv has to offer to us, namely something unique and outstanding: a well-balanced neutral IEM for our personal ear canal. It cannot get any better in my opinion, especially if you consider the value you get for the money. For a guy like me who represents the average consumer, Oluv opened up a whole new world of decent sound. Thanks to his expertise I purchased an Etymotic ER4-XR and his Earfun Free Pro Oluv Edition (OE). In comparison to my Sony WH-1000xm3, which I like due to the great ANC, with its boomy sound like a sweet soft drink, Oluv’s taste in sound is like crystal clear water from the mountains. The sound is so much more well-defined and clear that I don’t wanna miss it anymore. Therefore I had to try his sound signature for my ear canal of the new Earfun Free Pro 2. The whole process of finding out the length of my ear canal – for Android I can recommend the app “Frequency Generator” – was completely new to me and has given me a more decent understanding of how to acquire a neutral sound profile. Besides, the hardware, the Earfun Free Pro 2, is very comfortable to wear, the ANC works fine and the connection is much more stable than the previous edition. What Oluv does, the perfection of sound quality is like rocket science to me and I cannot thank him enough for sharing his knowledge and the effort and hard work he puts into his projects. I enjoyed the neutral setting very much and am very curious about his new neutral settings for other ear canals like mine, which is at about 6500hz. I really would like to encourage other patrons to stay with him and give him the time he needs to finish his work on it.

Jeremy

Have you tried reaching out to FIIL? Pretty sure they're the ones making the Earfun equipment and Earfun just puts their brand name on it and tweaks the eq. They may not be willing to help you because they don't actually manufacture anything.

Foltea Iustin

Will you still make a sound Sample with the soundboks go?

oluvsgadgets

If I get one but Soundboks didn’t respond

Foltea Iustin

I have some Friends that just don't want to listen that this is not a great speaker. (for this huge price definitely not worth it)

Foltea Iustin

Don't stres too much. Not worth the hassle. If they don't respond or if you can't borrow the one from your friend, no problem. 👍

Foltea Iustin

Keep on doing your Best. The results are amazing

Foltea Iustin

But, if you can borrow it, it would be better to be a public video. So that evryone knows that it's not the hloy grail. (I was in a small discussion with a channel named "The Speaker Guys", which is full of soundboks 3 videos and he also has a jbl boombox 2 and he says that the bass on the soundboks is much better than the one on the boombox. 🤦‍♀️

MikeDaveYap

I wouldn't expect anything from soundboks for sound quality. I don't mind you posting new updates regarding to speakers or headphones as tuning is a very tedious process. How about trying Anker Soundcore with tuning their products? Can you try some speakers like • Tribit Stormbox Blast (upcoming) • Tronsmart Bang - though some insights; its punchy, doesn't sound that great though I like it used on outdoors. the highs can go up to 6khz and slowly rolls off which makes the tweeters sound harsh. EQ are only presets and not customizable EQ parameters. Using a 31 band EQ app does do the job of making tronsmart sound bit better. • JBL Partybox 710? (its as loud as the PB1000 but the PB1000 has deeper bass) • Hopestar A50 (Hopeless star 😂) • Awei Y669 - Budget oriented speaker, bass is too hard as it only go 100Hz, sounds harsh, flip like but in the size of a charge speaker. One thing I like from this speaker is no matter how cheap this speaker is, it wouldn't sound as distorted as my Sony XB30 because the awei is a 2.1 speaker, bass will distort a bit but just little on the mid-high speakers. using simple eq or 31 band eq will greatly improve sound quality (this speaker has been subject to which people should choose from JBL Go 3 or Awei Y669 • Mifa Wildbox and Wildrod Thats all I can think and suggest of right now. Many thanks to your great expertise on headphones and speakers