Going fully Wireless IEMs. Too soon? Or are we there yet?
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actorlife

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I want to ask for your experience, how are your smartphones dealing with Bluetooth latency?

While any decent dedicated video app have possibility to adjust time delay to negate latency of BT connection, we are so far getting kind of random results when it comes to other apps such as Youtube or games.
 
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I want to ask for your experience, how are your smartphones dealing with Bluetooth latency?

While any decent dedicated video app have possibility to adjust time delay to negate latency of BT connection, we are so far getting kind of random results when it comes to other apps such as Youtube or games.
Follow Apple/Sony's way of making both right & left earbuds connect to the device independently and you'll eliminate the latency issue :p
 
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vstolpner

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I want to ask for your experience, how are your smartphones dealing with Bluetooth latency?

While any decent dedicated video app have possibility to adjust time delay to negate latency of BT connection, we are so far getting kind of random results when it comes to other apps such as Youtube or games.
All of my BT5.0 TWE's (list in signature) have been fine with most apps - YouTube, Netflix, videos through Chrome. With some delay is nearly 0 seconds, with a few It's been as high as 0.1-0.15 seconds. I think only one (BT20 was above 0.2 seconds)
 
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Follow Apple/Sony's way of making both right & left earbuds connect to the device independently and you'll eliminate the latency issue :p
Bluetooth itself has latency around 150-200 ms, so there should always be some latency.
 
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Levanter

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Bluetooth itself has latency around 150-200 ms, so there should always be some latency.
Oh definitely, I meant audible not measurable lol
 
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0.2 is still hearable, at least when you know what to listen for. Especially when you get to games.

My question was more regarding apps, if you know some other apps that are automatically detecting connected BT headphones and setting audio/video delay due to them.
 
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All my apps have imperceptible latency with my S10 phone and Bluetooth earbuds, except for web based videos through Opera mobile. I guess this is due to the apps sending the delay offset, while Opera browser isn't aware it's playing a video and thus does not set a delay. For this, the shortest delay I have encountered is with the Sony wf-1000mx3, there is a very tiny delay but not annoying like other buds.
 
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PSA: for those with access to amazon.de , the much talked Mpow T5 now come with a 10€ off voucher. Great. Like 10 days after I shelled out the full 60€. Well, still happy with them.
F1FAB2D5-1FFD-4A6B-AF88-A60DDB52874A.jpeg
 
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FYLegend

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Just got my Earfun Free Oluv edition - first impressions is that the sound relatively neutral with a slight warmth, with a tiny bit of sparkle in the treble and some mid-bass emphasis. Bass is a bit rumbly but not muddy like some of the reviews of the standard edition. A bit deeper sounding than the Astrotec S60, but not as much detail retrieval. Much louder with more stable connection off my phone, but I have noticed a certain rumbling stutter artifact that happens occasionally.

Off my BT 5.0 laptop with SBC, it sounds similar but a tad bit more muddy with the midbass sounding more bloated, and the treble with a more metallic shimmer. Piano sounds become more confusing in piano-hiphop/chillhop/lo-fi tracks. Even so, it is still a respectable sound I would not be dissatisfied with.
20190718_222009.jpg 20190718_222428.jpg

EDIT: It also has a bit of pressure with the seal for me. I can hear the sound fade a bit when I'm eating or something and when I take out the bud on my right ear, the flange flips back.
 
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Just got my Earfun Free Oluv edition - first impressions is that the sound relatively neutral with a slight warmth, with a tiny bit of sparkle in the treble and some mid-bass emphasis. Bass is a bit rumbly but not muddy like some of the reviews of the standard edition. A bit deeper sounding than the Astrotec S60, but not as much detail retrieval. Much louder with more stable connection off my phone, but I have noticed a certain rumbling stutter artifact that happens occasionally.

Off my BT 5.0 laptop with SBC, it sounds similar but a tad bit more muddy with the midbass sounding more bloated, and the treble with a more metallic shimmer. Piano sounds become more confusing in piano-hiphop/chillhop/lo-fi tracks. Even so, it is still a respectable sound I would not be dissatisfied with.


EDIT: It also has a bit of pressure with the seal for me. I can hear the sound fade a bit when I'm eating or something and when I take out the bud on my right ear, the flange flips back.
'Would not be dissatisfied with'. What does that mean? :)
 
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'Would not be dissatisfied with'. What does that mean? :)
Like L.A. Beast finally trying out the re-release of Crystal Pepsi :p It's a good implementation of SBC, and if I didn't know how it sounded with AAC I would think it's fine. It's not as distorted as Astrotec S60.

Wireless charging compatibility of Earfun Free:
ADATA CW0100 (10W) - Works fine, although this is not desirable due to the wireless charger using microUSB. Odd since overall I've had some compatibility issues with it depending on the power brick and cable I use.
Samsung Wireless Charging Stand (2019) - Does not work at all. I know this is a vertical stand, but I also I tried tilting it and repositioning the case.
MYCELL wireless charging power bank - Doesn't work. This was the only charger I have that works with Astrotec S60 (albeit generating a lot of heat).

Good news: Earfun Free also supports Type C to Type C PD charging, so it's not merely a USB 2.0 IC with a Type C connector (the typical cost-cutting measure used by some of the Chi-Fi TWS). I personally don't use PD charging often, but it's nice to see this as a true Type C device.
 
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No one uses TWS in mono mode, especially nothing over $20.

I'm sure that people on this forum (and similar forums) would be happy to weigh in on decisions like this.

And we very much appreciate you providing information on here! This communication goes a long way in purchasing IEM's of a specific brand.
I've actually been keeping my eye out for a pair of TWS that could be used in mono. Specificly, a pair where either could be the master or slave bud. This is because i'm totally blind and need
to be able to hear an employee if they come over to ask me a question...or if my boss walks over to talk.
Even if the Sennheiser MTW didn't have charging issues, the battery life is subpar compared to nearly every cheaper product on the market, and you can get a better-sounding true wireless model for less than half the price of the MTW.
i just posted the other day about how my MTWs weren't quite 10 times the SQ of the anbes 359 despite being 10 times the cost. But i wanna hear that TWS pair or multiple if mor than 1 that sound better than the MTW. Which model are you refering to?
 
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I've actually been keeping my eye out for a pair of TWS that could be used in mono. Specificly, a pair where either could be the master or slave bud. This is because i'm totally blind and need
to be able to hear an employee if they come over to ask me a question...or if my boss walks over to talk.

i just posted the other day about how my MTWs weren't quite 10 times the SQ of the anbes 359 despite being 10 times the cost. But i wanna hear that TWS pair or multiple if mor than 1 that sound better than the MTW. Which model are you refering to?
I often use just one of my Earin M2 when listening to audio books as they can be used in mono and either bud can be master or slave and either left or right
 
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Keep in mind all of this is highly subjective, as we all know one person's ideal signature is another person's bloated bass cannon or bright and brittle presentation.

Full disclosure: I primarily listen to my 2-channel stereo setup at home in a fully treated listening room with Dirac room correction, so my personal preference is for accuracy, natural tonality, and clarity/detail retrieval. This results in something similar to a Harman frequency response. With that said, strong YMMV qualifier:

Purely in terms of sound quality, I thought the MTW were decent, but simply not as good as the Mavin Air-X which is selling for $120 right now, and has become my gold standard in TW IEMs. The Mavins are a warmish take on neutral with the best clarity and detail retrieval of any TW model I've tried. They're balanced and neutral throughout the frequency response with a tastefully elevated bass and an extended treble that's among the most natural-sounding I've heard from any IEM. The Senns sounded somewhat U-shaped in terms of frequency response which resulted in a sound that was too aggressive for my taste, and weren't as good as the Air-X in terms of imaging and separation. Even after trying to use the Sennheiser app's EQ feature (which isn't the best... give me a real banded EQ) they never sounded right and sounded cold to my ears. Solely based on sound quality, the Air-X are significantly better IMO. Beyond that, add in the Air-X's 10-hour battery life, a case that stores a ridiculous amount of charges (I charge it maybe once every few weeks), Qualcomm TrueWireless Stereo Plus, and bug-free operation out of the box, you're really only missing firmware updates and a dedicated app (which tbh I couldn't get working consistently with the MTW when I owned it).

I ended up returning the MTW because of the battery drain/charging situation, the flimsy hinge on the case, the app that worked infrequently for me (YMMV), the goofy EQ functionality, and the fact that even when working flawlessly the Sennheiser isn't even capable of battery life to last a cross-country flight, and I simply don't understand how they can be asking $300 considering all the competition on the market. I even preferred the sound signature of the Bose SoundSport Free, although the MTW was better in terms of detail retrieval, connectivity reliability and passive noise isolation.

I have no problem shelling out for an expensive TW IEM if it's worth it, but I just found the Sennheiser had too many compromises, and I consider myself a fan of Sennheiser in general. I hope they improve their second gen product whenever they get around to making one. The MTW I very much see as among the best of the "TW 1.0" generation true wireless IEMs, whereas the "2nd gen" TW models coming out now are a significant step forward in terms of battery life, ease of use, and in many cases sound quality.
Didn't read ahead before posting a reply to your previous post, Thanks for your thoughts.
 
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