>>I am brazilian and I speak portuguese, so forgive my english, I’ll use translation tools to help<<
INTRO:
Rose Technics is appearing on this site for the first time, but I have known the company for a long time, ever since I got into the hobby, Rose Technics already had some earphones. Well, time has passed and now we have the opportunity to evaluate some of the TWS models that have gained popularity in the country. Today’s review is of the Rose Technics Ceramics. Spoiler alert: the next one will be of the Rose Technics i3.
Price: $24.99 USD
Colors: Kaishi Beige, Ivory White, Samuray Black
ROSE TECHNICS LINKS:
https://s.click.aliexpress.com/e/_DeqSv05
SPECIFICATIONS:
– (1) 10mm Dynamic Driver (DD) DLC per side
– Frequency range: 20Hz – 20kHz
– Impedance: 32Ω
– Rated power: 7mW
– Touch Controls
– Bluetooth 5.3
– Codecs: AAC, SBC, mSBC
– Signal range: 15 meters
– Low Latency: 60ms
– ROSELINK App – customization and EQ
– Battery life: 7h+28h (total 35h)
– Compatible OS: Android, iOS, Windows
– Dual-device connectivity
– Waterproof level (Earbuds): IP54
– ENC for calls
– Earphones battery: 40mAh
– Case battery: 400mAh
– Charging via cable (USB-C)
– Charging time: about 40 min
– Fast charging: 10min = 2h of battery
– USB-C power supply: input 5V 1A
– Case size: 4.3cm [H] × 6.2cm [W] × 2.3cm [D]
– Weight: 4.1g (one side)(without tips)
– Case weight: 31.2g (without earphones)
– Total weight (box, earphones, etc): 156.3g
– Packaging size: 10.2cm [H] x 10.2cm [W] x 3.7cm [D]
UNBOXING:
PHYSICAL ASPECTS:
Eartips: Only one type of silicone tip came, in sizes XS/S/M/L. If you noticed in the unboxing video, the Ceramics eartips are in a wide bore style, it’s well known that I don’t really like this type of eartip, but I will give it a chance and evaluate the earphone with them (in size M). They are good quality eartips, but we know they change the sound of the earphone quite a bit, if the company understands that this is how the sound should be… I know I also tested the earphone with the SpinFit CP1025, and in my humble opinion, the sound was improved. So, here’s a recommendation if you, like me, prefer eartips with a more closed bore.
Construction: The charging case reminded me a lot of the Tanchjim Mino format, which is a very popular format among TWS earphones, the difference itself is for the earphones, since the Ceramics doesn’t have stems. The product is all made of plastic, but of good quality, the earphones themselves have a quality that we would certainly see in more expensive TWSs or mainstream brands. I confess that the only thing I didn’t really like was the charging case being in this reflective style (like black piano), in my opinion, it could be a matte plastic, it would give a premium product appearance.
The case lid has a detail that bothered me, which is, when opening, it tends to return (close), this detail appears in the unboxing video. In my opinion there should be a mechanism there that locks the lid so it doesn’t return. Another detail that I always comment on is that, when closing, these lids make a noise like “clack!”, I personally find this sound very annoying, they could put a rubber to soften the impact. It’s a lid that’s easy to open, it doesn’t have any kind of lock, so, it’s possible to open with just one hand. I found that the Ceramics lid has a longer durability than the Tanchjim Mino lid.
Another detail I noticed was the USB-C input at the bottom of the case. We know that the best position for the USB-C input is at the back, not underneath… Detail that has already been corrected by other companies in their products. At the bottom of the case there’s also a reset button, just hold it for 10 seconds to reset the earphones.
Bluetooth signal connectivity: The pairing is very fast, less than 1 second (after the first pairing). The signal range is good but it wasn’t the best of the TWSs I have tested, I think it does get about 10 meters away in a straight line (the specification says 15 meters), the Buds FE and the Fiil CC PRO2 I believe were the ones with the best performance in this regard. The signal stability was good, even using the earphone between the rooms of the house, that is, with walls between the earphone and the smartphone, the signal only started to fail when I moved far away from the smartphone, around 10 meters away.
Something I found strange in the Ceramics was it producing a sound every time you make a command on the Touch, it’s like a sound of something being selected in a video game, like a “click” when you select an option. I think the company could take this sound out, there’s no need.
Latency test: I did the latency test watching videos on YouTube and I can guarantee that the sync was perfect, both in normal mode and in game mode. I didn’t notice any delay.
Multipoint connection: This feature allows you to connect more than one device at the same time. I did the test here and it really worked, I was able to connect two smartphones or the notebook and smartphone. I tried to make 3 connections but I couldn’t, it always stayed at 2 devices max. The earphone is paired with 2 devices all the time, you don’t even need to switch manually, but let it be clear that it doesn’t play music on both devices at the same time, one needs to pause the execution to then start playing on the other.
ROSELINK App: Following, the screenshots of the application that I found interesting. I think the images are self-explanatory and so I don’t need to extend myself.
One point I didn’t find cool in the App was always needing to turn on the smartphone’s GPS, and if you don’t give permission to access your location, you won’t be able to enter the App.
The application in conjunction with the Ceramics is presenting a communication failure, sometimes the App doesn’t recognize the earphone and you cannot enjoy the features of the App. I have seen that the company is trying to fix this problem because I have already received notification of about 3 updates during the time I write this review. I have been able to circumvent the problem by making a new inclusion of the earphones in the App. Note that this here has nothing to do with the Bluetooth pairing of the earphones with the smartphone, it’s something only within the App.
Unfortunately, the Ceramics doesn’t have the ANC and Ambient Sound feature. These features will be in the i3 model that I will evaluate next (next evaluation). It also doesn’t have the auto-pause and resume feature.
Something I found different in the Ceramics is that the earphones have an LED on the outside (faceplate). Honestly, I didn’t see much sense in having an LED in this location of the earphone, none of the TWSs I have currently tested have this type of LED. Okay, the LED doesn’t flash all the time, it’s just when you do the pairing and such, but… I think it could be in a more hidden part, it would be more discreet.
Microphone: The microphone test in a quiet environment was ok, I could hear my voice, although the audio quality was a bit muffled and with discreet noises. In general, almost all that I tested are like this. Now, when I used a fan facing my face, then things got complicated, I couldn’t hear my voice and it was pure noise interfering with the recordings. The experience with the fan on was very bad.
Fit and comfort: Starting with comfort. I found it very good, top best TWSs I’ve ever tested, very anatomical. I think this is good for any type of ear, from small to large. The Ceramics is very light, I hardly notice that I have an earphone in my ear. It’s certainly a TWS indicated for long auditions. During the 2h-3h session I do (without taking the earphone out of my ears), I found the Ceramics great. The fit is mostly made by the nozzle and the eartips, so you need to be aware that perhaps the Ceramics isn’t the best model of TWS for practices of more intense physical activity, I would say that perhaps it’s better for a walk or at most gym. In fact, the Ceramics is a bit protruding in the ears, but I found it even more discreet than the Galaxy Buds FE. The isolation I found good/ok, and the insertion I found from medium to deep.
Accessories: the Ceramics comes with a protective case that I consider very good. From the images, the case seems to be made of hard plastic, but I believe it is metal, because when I touched the earphone near the case, it was attracted by magnetism. I really liked the idea of this extra case, the earphone is very well stored. The only observation I make is that the company could have left a space to eventually store the USB-C cable and perhaps some eartips inside, then it would be the complete package.
The company’s official website doesn’t provide the user manual, but it comes with the product in printed form.
Page for downloading the App: https://rosetechnics.com/pages/downloads
SOUND ASPECTS:
The App has 3 equalization presets: POP, HiFi, and Rock. I did the evaluation in HiFi mode. Unfortunately, isn’t possible to review the 3 presets, but in summary, POP makes the earphone more V-Shape, and ROCK it’s like HiFi but with a slight boost in the bass (and personally it was the preset that I liked the most among the 3 available). When you switch from one preset to another, the music stops and a voice says: “POP music mode”, and then the music returns with the altered sonority.
>>All sonority described below will then be in HiFi mode with Wide Bore eartips. <<
I understood the sound of Rose Technics Ceramics as Neutral. The bass is very discreet, the pinna gain appears a bit more, and the treble I think are in line. It’s a sonority that moves away from the fun and energetic, here the priority is to be a more “correct” sound. The preset itself already says, HiFi, which comes from High Fidelity.
Bass:
Quantitative: The bass, in my understanding, are at the level of moderate or moderate to low. This is really not a TWS more indicated for bassheads, the presence of the bass is very discreet. It’s known that it increases using the EQ presets, but even so, I still think that for my taste, it’s lacking. Of course, I am also referring to the genres that need a little more bass, like EDM, Hip-Hop, etc, but with other calmer genres the bass of Ceramics will do better. The earphone has more emphasis in the mid-bass region, while the sub-bass are more discreet. The extension is good, I didn’t feel roll-off.
Qualitative: I think they are thin bass, they aren’t the highlight of the earphone, they are very clean and controlled, but for my taste it lacks a little more texture and physicality. The impact is moderate and the sound is more tight, instead of expansive, so it has a firmer beat. They are bass that combine very well with acoustic instruments, like, the very acoustic double bass, or even an acoustic guitar, you feel the sound more natural and full-bodied, that resonates from inside the boxes of the instruments, although it isn’t a sound with much vigor. They aren’t boomy bass, they aren’t bloated, they aren’t muffled, and they don’t bleed in the mids.
Mids:
Quantitative and qualitative: As the earphone doesn’t have so many bass, this ends up leaving the mids more audible, and of course, the tuning of the earphone also contributes to this. The upper-mids have a highlight that makes the sound more “forward”, so snare drums, vocals, receive more projection. In the qualitative part, the mids of Ceramics are very good, one of the best in this price range, along with the Moondrop Space Travel and the Tanchjim Mino (costing a little more). The earphone delivers a lot of information, has good detail and transparency, and leaves the presentations with a lot of clarity in the mid frequencies.
Voices: The Ceramics is another earphone that tends to have a better result with female/high voices, for example, Adele, it sounds very good. It’s inevitable, earphones with less bass and less subs tend to extract less potential from male/low voices, the issue of texture, the depth of the lower timbre voice. The good side is that any voice will have a good clarity here, for example, to listen to audio podcasts which is essentially just voice, the proposal of Ceramics goes well.
Treble:
Quantitative: If I tell you that the treble of Ceramics is the best part, maybe you imagine: “wow this earphone must have a lot of treble”, but it’s not that, the issue is because it’s hard to find TWSs with well-resolved treble, most focus on the bass or the mids, and forget to put a little more treble. Of course, it’s still far from reaching the level of some wired earphones that I evaluated, but it’s already a great evolution for a wireless earphone, just with the tuning it can already be more coherent. Still, the earphone isn’t the best indication for trebleheads. I consider the mids and the treble of Ceramics as being in the same equivalence, only the bass that I think are lower. I didn’t feel roll-off, the extension is good.
Qualitative: The treble of Ceramics has good definition, great detail, good airy, I didn’t feel presence of peaks, but I felt a slight touch of coloration in the sound, which leaves the sparkle a little more towards the crystalline side. As I said in the previous paragraph, I see the treble of this earphone as positive, many people may be looking for an earphone to enjoy genres like Jazz, acoustic music, and then an earphone with more well-articulated treble, can have a better performance for these genres. I didn’t feel presence of sibilance. The treble doesn’t sound strident, nor sharp. Chime, half-moon tambourine, present themselves with a more crystalline shine. Hi-Hats sound with detail and without showing harshness. Guitar solos have energy in the higher notes.
Soundstage: The soundstage of Ceramics I found medium. Earphones with few bass give an impression of little depth, the sound is more frontal. Certainly what we have here isn’t something bad, at no time did I feel the sonority congested, but also didn’t feel as if I was in a more spacious environment.
Imaging: The instrumental separation I found good/medium. It is possible to hear all the instruments with good definition, especially the instruments that appear more in the higher frequencies (treble). Unfortunately, the spaces between the instruments aren’t so perceptible, there’s a limitation here. I think hybrid earphones (wired) is where we get the most potential in this regard.
Driver Flex Test: The Ceramics didn’t present driver flex noise.
Amplification (or volume in the case of TWSs): This part is to say “how loud” I thought the TWS can get. In my opinion, I think the Ceramics has a good volume, but it’s nothing out of the curve, it’s on par with the other TWSs I’ve been evaluating recently. I have the habit of listening to low sound, and here with the Ceramics I put it at 12-13 levels of the 15 available by Android. If you like to listen to very loud sound, then there is the observation that almost no TWS that I tested currently managed to deliver a very high volume.
Music is subjective, so below is the list of some musical genres that I personally think that was better with this IEM. Remember that were only few genres and few artists tested. If I describe that one genre was better and the other don’t, it doesn’t mean that you can’t listen to your favorite music genre with this IEM and love it. So, here goes:
Better:
Jazz
MPB*
POP
Rock
Blues
Metal
Samba*
Bossa Nova*
*Brazilian musical genres.
Not so much:
Classical
Hip Hop
Reggae
EDM
Link da Playlist:
Graphs by MUSICAFÉ:
Thank you so much for being here!
Follow us on Instagram to get all the news!
We also have a group on Telegram, let’s talk.
IEMs and Music 