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SizeAZ09-B

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$31.34

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CCA KZ AZ09 IEM Bluetooth Adapter,Bluetooth 5.4 Ear-Hook Module AZ09-B

4,01.146 reseñas

$31.34

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Sobre este producto

The KZ AZ09-B pin is compatible with KZ ZST, ZST X, ZS10, AS06, AS10, BA10, ZSR, ES4 models, and the CCA C10 model. Apart from these models, for other KZ or CCA headphones, please choose KZ AZ09 C-Pin instead. [Lightness & One Key Operation] - the bluetooth hook weighs only 4.5g, which is light and has no pressure. Give you a small and light comfortable wearing experience. Each bluetooth earhook has one multi-functional press button which can receive calls,play or pause and switch music. Easy and simple operation. [Double Host & High-Performance Game Mode] - Eliminate the conventional single host, dual-channel transmission, lower delay. Earhooks can be used individually. The earhook features a high performance mode that gives you faster audio transmission speeds when you play games. [Long Battery Life] - Each earbud can get 6 hours playback from a single charge. 400mAh charging case supports 4 times of recharging for both earbuds, gives up to 30 hours continuous music time. Keep your music going all day even when you go out. [High-Fidelity Sound] - Adopting bluetooth 5.4 technology, Bluetooth Module offers you an unparalleled audio experience with faster transmission speed, stronger connection stability. At the same time, AAC advanced audio coding transmission technology to greatly improve the quality of hearing and bring natural and clear sound. [Free Switch Between Wired and Wireless] - KZ Bluetooth module is specially designed for Earphones with 0.75mm /0.78mm pins, making the wired headphones become wireless headphones in seconds, and getting rid of the bondage of wire harness. It allows you to switch between wired and wireless according to the needs of different scenarios. It also ensures the sound quality of the original headphones. ( *This product is only for bluetooth upgrade earhook, without earphones.).

Marca: CCA
Modelo: B099K7811D
Categoría aduanal: Electronics

Reseñas

4,0

1.146 reseñas

12 con comentario

520%
458%
321%
21%
1

hackeritalics
8 de mayo de 2026
Great bluetooth headphone adapters! HD Audio latency is kind of bad, but you can fix that.
I'll give you a quick TLDR: They are good, buy them. They have latency on HD audio which sucks for watching video, but if you turn of HD audio they still sound great and the latency goes away. The rest of this is specifics about the the audio.Honestly, these sound amazing and I don't really feel the lack of lossless audio. The AAC audio is very high definition and it doesn't really sound different than one of my bluetooth DACs with lossless paired with the same iems. It seems that the digital amplification circuitry is very good a similar to a proper dac. No "hiss" at low audio levels and no crunchy fade in's from silence to audio. Reading some of the other reviews people have mentioned that the pairing audio is super loud. I would agree with that, but in my case I never ran into disconnections so I never deal with it. I think if you also experience solid connectivity that shouldn't be a problem, but your success will vary. I will say that I am really please with how stable the connection is as a huge guy. This is going to sound dumb, but I'm used to headphones cutting out if they don't have really good bluetooth because bluetooth signal has a hard time transmitting through flesh. Being 6'5 and 350lbs, I'd say 1 out of 4 bluetooth headphones I use cut out randomly at times because of this issue. These didn't have that issue with either headphone.One tip I will give people with these is that, if you are dealing with serious latency while using them to watch things like youtube, it seems like these headphones are slow on the decoding of the HD Audio. They sound genuinely fine even without HD audio on, so if you are using them with Youtube a lot you might turn off HD audio.Oh, and the case is 10/10. Seriously, I have a case for my IEM's and it's fairly compact, but given the nature of the IEM's I use the most, they are just chonky. It's hard to make anything that isn't thick that can safely store them. This has just enough room and the rounded edges makes it about comfortable as a case for these IEM's can be. It makes me want to 3d print a similar case, but with a little extra room for a cable.Ver másVer menos
5 personas la encontraron útil
Terry L.
Great product, great price, stays put in your ear and has great sound!
Another great purchase to write about! I work around our property every weekend and being a music lover I always have ear buds in so I can listen to tunes while I work. The problem is apparently my ears are misshapen in some way that makes every ear bud I've tried not seat correctly so the buds fall out of my ear. Anyone who constantly has to readjust or push their earbuds in can feel me on that point.I wanted a quality ear bud that fit securely and wouldn't come loose as I worked - and this product didn't disappoint. I will say that being Chinese made, it has some funny quirks - it sounds like the lady announcing that the device has connected says "Connectate" instead of "Connected". I don't really care about that though - all I care is that the sound is good quality and the buds stay firmly in my ear. This product did both very well and I'm loving not having to take my buds out and reseat them every 5 mins. I'm using a after product foam type ear piece - you can squish it down tight, put it in your ear, and it will expand to fit perfectly.Battery life has been great for the time I've had these (about 6 months). I'll work around our 7 acre property for 6-7 hours without having to charge and it still has juice left if I forget to charge them.This also has an option to be used as a corded ear bud as well, which I did find useful since I travel a lot and use headphones with a plug while flying to watch movies or listen to music. Now I have the best of both worlds.From a cost/value perspective you can't beat the price and they do seem to be of good quality. I would recommend this to anyone looking for a versatile set of music buds, that stay put in your ear and block out unwanted noise, keep their charge for 7+ hours, and are easy to pair to your phone/tablet or computer.I'd definitely buy them again.Ver másVer menos
13 personas la encontraron útil
Ted Celis
8 de abril de 2026
a few issues, but overall some good stuff
Works well. It's comfy and has a good grip on my ear, no chance of it falling out. Battery lasts a very long time. Charging case is nice too. I was worried about the choppy audio it sometimes had, but turns out it was my computer's bluetooth dongle's fault. The audio quality is perfectly fine when paired to my phone.Now some problems. The flashing light is way too bright. The intermittently blinks blue and lights up the room at night. Not too noticeable to me, but quite annoying to the person next to me.The case also doesn't hold the earbuds very well; it often turns on and connects to my phone while within the case. I have to jiggle it so the metal in there can touch and return it to it's charging state, but another light jostle will just turn on again.Ver másVer menos
Douglas Powers
27 de diciembre de 2024
You Get What You Pay For
This is a frustrating product. Especially when compared to something like the Shure TW2s.The build quality of the adapters themselves seem solid. The case feels pretty cheap, with the lid hinge in particular seeming like it could easily be damaged if dropped while open.The battery life seems on par with other Bluetooth adapters and the sound quality via AAC also seems sufficient, though support for AptX HD or LDAC is an obvious omission.Charging is nearly always a chore. Pogo pins once again prove their unreliability. I have maybe a 15% chance of both adapters shutting down and entering charge mode on the first try. Taking the adapter out of the charge case and cleaning the pins and pads seems only mildly effective. The only solution I've seen for this is to watch the bluetooth connection on whatever device the adapters are paired to and wait for the connection to break, which signals that both adapters are finally charging.The trick I've found to work around this flaw is to simply shake the closed charge case from side to side until the connection drops. The downside to this is that if you're carrying the adapters with you in a bag, they'll often lose their charge connection when jostled and reconnect to your phone when you're not expecting it. If this happens in a call, it's incredibly annoying.Where the true frustration really comes into play is in pretty much every aspect of software and firmware. They have no adjustment for the impedence of the attached IEMs and every sound and voice prompt is LOUD AS HELL. Using Linsoul KZ ZS10 Pros with a healthy 24ohms of impedence, the poorly enunciated English prompts jolt me every time. The "low battery" prompt begins at 30% and it's repeated so often (and so loud) that the adapaters immediately become unusuable until they're recharged.Switching between different devices is a catastrophe. The AZ09s will not switch devices when externally requested, something that every other bluetooth device I've used will do without complaint. They must be in pairing mode before they will even attempt to connect to something else, regardless of whether or not it's been paired before.This wouldn't be a deal breaker except for another of the software's flaws: there is no way to command the adapters to enter pairing mode. This is a baffling omission. The only way to get the adapters to go into pairing mode is to disconnect them from the device side. Forget to disconnect them from your PC before you left the room intending to connect them to your phone instead? You have no choice but to go back to your PC and explicitly disconnect them before they will allow your phone to request a connection. For anyone who switches their Bluetooth adapters between devices multiple times per day, this could easily be a deal-breaker.The adapters flash their too-bright blue LEDs every four seconds when in standard run mode. Why? I have absolutely no idea. They could have made that interval three times as long and it would still serve to signal that the adapters are powered on perfectly well.The voice prompts have the absolute bare minimum attempt at English. I refuse to believe that the designers couldn't fine a single person with a passable accent. It feels, like with many other aspects of the software/firmware, that they simply didn't care.With the newish Qualcomm SOC doing pretty much all the heavy lifting, the lack of any sort of polish software-side is a shameful waste.With no bundled app (which I'm sure would still be a minimum-effort affair anyway), there's no hope for firmware updates to address any these issues.The only aspect that redeems this product is the price. At $30, they're good enough. Unfortunately, they're also the best adapters available for the terrific range of 2-pin Chi-Fi IEMs currently on the market.
Jose fernandez
Extremely Impressed With the Battery Life!
I bought the CCA KZ AZ09 Bluetooth adapter about a year ago, and I have to say, I’m still really impressed with it.Today, I decided to do a real-world battery test to see how long one earbud could actually last during phone calls. I started a call at around 12:00 PM and stayed on the call for more than 6 hours, until about 6:00 PM. After that, I went out again and continued testing. From approximately 7:30 PM to 8:00 PM, I was still using it.At that point, it was showing around 40%, but then I received a low-battery warning at 20%. Like a hour later or so So I don’t think the displayed battery percentage is completely accurate on the iphone. However, honestly, that doesn’t bother me because the actual battery life is what really matters.Just doing the math, I got well over 6 hours of continuous phone-call use on a single earbud, and it was still working later in the evening. That’s seriously impressive.I use the earbuds one at a time, which makes the battery life even better because while one is being used, the other can be charging in the case. With both earbuds fully charged and the charging case available, you can basically use these throughout the entire day without worrying about running out of battery.For comparison, I’ve used Apple and Samsung wireless earbuds, and I honestly don’t remember getting this kind of continuous usage from a single earbud on one charge, especially for phone calls.After owning these for about a year, I’m genuinely surprised at how well the battery has held up. The Bluetooth connection has also been reliable for me, just at the beginning it was giving me some headaches but it came out good juat did some reset ans they workimg fine , and for the price, I think these are an excellent option if you already have compatible KZ/CCA IEMs.The battery percentage may not be perfectly accurate, but the actual battery life is outstanding. I’m really impressed with how much use I can get out of these after a year of ownership.Highly recommended if battery life is important to you.Ver másVer menos
Curtis F.
9 de noviembre de 2025
Returned. Constantly disconnecting and infuriatingly loud in-ear alerts about it.
Okay so I'm returning this. Not only is it randomly disconnecting now, the "coonickteed" (Connected) and "deezcunecteed" (Disconnected) notifications in ear are EXTREMELY loud and infuriating. I really wanted to make these work because I like the format, but I just can't take it anymore. I'll get a Bluetooth headphone adapter or something. Anything is better than this cheap overpriced piece of Chinese crap.I've added a video with audio (it doesn't accuratly depict how loud it is when they're in your ear) so you can understand what I'm talking about. It was funny at first when it was only happening in the case before I put them on my ears, however when they are on and you are listening to high Fidelity music or something, and they randomly disconnect and you get an ear piercing notification that they have been "disconnected" shortly followed by a "connected", it gets old FAST. Anyways, they're going back.OLD: Functionally they work very well. The audio quality is fantastic for Bluetooth and they are very comfortable. The only complaint I have is the voice that says when it's connected, in pairing mode, etc. It's like they looked for the worst, most unclear, terribly challenged foreign accent they could find, and then compressed the audio to a point it sounds like it was recorded over a phone line in 1876. It just makes it feel like I should have bought it at the dollar store.Ver másVer menos
11 personas la encontraron útil
Mir
19 de agosto de 2026
Good value for the price. amazing battery live
So i got these for a trip and the battery life was outstanding with them lasting from 7AM to 11PM with some charge left and not dropping a beat. Audio is pretty good and will depend on the IEM's paired with the headphones. Quality can drop over long distances but connection seems to be pretty quick to repair. Pairing was a breeze compaired to other bluetooth devices. When paired with a good set of IEM's these can be a great value for money. Compatability with my android phone and linux machine was quite good. The Mic Quality is serviceable and used them in online meetings. Comfort will depend on the IEMs as well. The case is very durable and will take a lot of knocks and bangs in a backpack, suitcase or deep pockets.The bad is the pinout is standard but how it mates with IEM's can be problematic. My EW200 and Moondrop Cus II's would not stay on so i had to order a set of IEM's specific for the pinout i got. This might vary depending on the IEM you have or are getting.Ver másVer menos
RT
26 de febrero de 2026
Better than expected
So far they have worked well. I made sure to fully charge them before using them today and they have lasted around 5hrs so far. The sound quality is better than I expected, they are just a little under powered for my IEMs, so the max volume level is slightly low. I expected that compared to my wired DAC. I have not had any issues with them coming lose and my IEMs stay in place just like they do with other wires. For the price, you can’t beat them.Ver másVer menos
Paul McCormack
26 de mayo de 2026
Excellent!
Have turned my IEMs into amazing earphones. They connect well. Make sure that they've been disconnected from every other Bluetooth. A minor niggle is that they have very short range. Otherwise they're fantastic
Paulo Cézar da Silva Rodrigues
26 de junio de 2025
Fenomenal
Bom
Ken Wilson
13 de noviembre de 2025
KZ Az09
Just what I was looking for, Quality seems good, as is the sound,
Alex
21 de julio de 2022
Bluetooth cuts out
Overall a good product, but the one thing bugging me is when I have the volume low and on AAC codec which is the highest quality on android it will cut out quieter frequencies.Otherwise, it works well with my KZ ZSN PRO X's with huge range, sound quality that sounds the same as wired except for the issue I mentioned which happens below half volume.Ver másVer menos