This is my first day impression after using with my iPhone X and SE425's that I've been using for 6 years. I love these headphones and am very familiar with how they handle my music.
If you're looking at this product you're probably not ready to give up your SE's for Shure's wireless offerings or the other brands out there. And why should you? Yours work, they fit great and you enjoy how your music sounds through them. But technology is in that fun transition period where everything is moving to different ports and we haven't settled on one yet (Lighting, USB-C, traditional headphone jack).
So when I went from an iPhone 6S to the X it was annoying having the little dongle to deal with when I used a device that didn't need it. But, there was no noticeable loss in audio quality at least. I just got the newest iPad Pro that only has a USB-C port and now things are annoying because that's a dongle that I'll only occasionally use. So it made sense to move into the world of wireless headphones and, as of writing this, they just came out with the BT 5.0 version a month ago so at least I'm getting the newest hardware.
These tests are with Spotify using their maximum quality settings (Premium account) and Apple Music/personal collection (ripped at 256-320kbps AAC)
Pros:
They're lightweight
Sound quality is good enough
Volume is adequate (tho slightly lower)
Cons:
Remote functions could be better
Headphone cable is integrated
Expensive
Clip could be easier to attach
Wire is a few inches too short
I am not an audiophile, but I do seek out well balanced headphones. Sound quality wise these, and really any wireless headphone right now, are good but can't match wired. I listen to a lot of Rock, Synthwave and Lo-Fi. Since everyone hears music differently the best way I can describe it is if the music you're used to through a wired connection had it's bass-to-treble range laid out over the United States, with San Francisco being deep, smooth bass and Boston being crisp, clean treble these would be more like Las Vegas to NYC. The range is there, but you know you're missing out. But it's not as bad as Albuquerque to Detroit lesser models produce. Considering I'm listening during my commute on a train or bus 90% of the time I'm probably not going to notice, and I'm sure amp is good enough to drive these but may not be enough for the higher models.
A few reviews have mentioned these don't output the volume of being wired and I'd agree. They're probably 5-10% quieter than when I used them wired, which causes me to up the volume, which will then drain the battery quicker. Hopefully a firmware update can fix this.
If you don't use the clip for the amp part of the headphone you won't notice any extra pull. on the cord. If anything it'll feel like the wired version more because those would naturally tug down some. I had to fiddle to get the clip to slide onto my shirts so anything thicker is going to be annoying. I typically wear button down shirts w/out the top buttons closed, so when it was clipped it felt like it didn't quite have the reach either.
Also, and this is the biggest thing that gave me pause when buying these, is the headphone cables at the amp are hardwired in and not detachable like at the headphones. I know every few years I needed to swap out the standard cable because it would start to crackle at the memory wire bend. That was a $30 problem, now it's a $150 problem. So should that day come, and the battery is still giving me 8-10 hours, I'll seriously consider soldering some wire if I have to replace the cable.
The remote is easy to use, I just wish the functions were changed up to be what I feel is a more natural interaction. Double click the volume to change tracks instead of long pressing, 2-3sec press the play/pause to turn it on/off (right now it's a 5 second press), double click the play/pause to activate voice control
Overall I'm happy with these and I hope they last me until the headphone world has solved the quality issues of the wireless era. By then I'm sure it'll be time to retire my 425's for better IEM's. But for those who need a wireless solution to their beloved IEM's this is it.
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From the manufacturer
Compatible with all Shure detachable earphones with MMCX cable connectivity (SE215, SE315, SE425, SE535 and SE846).
Communication Cable
3-Button Remote + Microphone.
- Plus Button: Press to Raise Volume, Hold to Play Next Track
- Center Button: Press to Play/Pause or Answer Call, Hold to Power On/Off or Decline Call
- Minus Button: Press to Lower Volume, Hold to Play Previous Track
RMCE-BT2 Bluetooth Enabled Remote + Mic Accessory Cable
Bluetooth Version 5.0
High-Resolution Bluetooth 5.0 communication enables wireless communication and controls for Shure Sound Isolating Earphones. A dedicated, premium headphone amplifier provides superior digital listening with support for Qualcomm aptX audio, aptX HD, aptX Low Latency, AAC and SBC audio codecs. Providing up to 10 hours of immersive audio on a single charge and up to 30 ft. (10 m) of range, the Bluetooth cable comes with a USB charging cable.
- Premium, wireless audio performance. A dedicated, premium headphone amplifier provides superior, high-fidelity audio quality with wireless capability.
- Support for multiple codecs. Qualcomm aptX audio, aptX HD, aptX Low Latency, AAC, and SBC enable superior digital audio.
- Featuring Bluetooth 5 Wireless Technology. Bluetooth 5.0 is also backward compatible and will integrate with all Bluetooth sources.
- Up to 10 hours of play time. Battery allows up to 10 hours of play time with up to 350 hours of standby time and is rechargeable via USB MicroB cable.
What is the difference between the RMCE-BT1 and the RMCE-BT2?
Both the RMCE-BT1 and RMCE-BT2 will enable wireless Bluetooth connectivity for Shure detachable Earphones. The new RMCE-BT2 is improved upon in several ways. It is compatible with more codecs, has Bluetooth 5.0 vs Bluetooth 4.1, and has a dedicated, premium headphone amplifier. Lower latency is possible on the RMCE-BT2 when paired with a device that is compatible with AptX Low latency. Enhanced audio quality is possible in the RMCE-BT2 vs the RMCE-BT1 because of the codec support and the inclusion of a dedicated, premium headphone amplifier. Additionally, battery run time of the RMCE-BT2 is up to 10 hours, while the RMCE-BT1 run time is up to 8 hours. The range for both is the same (up to 10 meters).
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| RMCE-BT2 | RMCE-BT1 | RMCE-UNI | RMCE-LTG | RMCE-USB | |
| Range | 30 ft. (10 m) | 30 ft. (10 m) | N/A | N/A | N/A |
| Battery Life | Up to 10 hours | Up to 8 hours | N/A | N/A | N/A |
| Connectivity | Wireless, Bluetooth 5.0 | Wireless, Bluetooth 4.1 | Universal 3.5mm Aux | Apple iOS Lightning Connector | USB-C |
| Compatibility | All Shure MMCX Earphones (SE215, SE315, SE425, SE535 and SE846) | All Shure MMCX Earphones (SE215, SE315, SE425, SE535 and SE846) | All Shure MMCX Earphones (SE215, SE315, SE425, SE535 and SE846) | All Shure MMCX Earphones (SE215, SE315, SE425, SE535 and SE846) | All Shure MMCX Earphones (SE215, SE315, SE425, SE535 and SE846) |
| 3-Button Remote + Mic | ✓ | ✓ | ✓ | ✓ | ✓ |
| Cable Length | N/A | N/A | 50 inches (127 cm) | 50 inches (127 cm) | 50 inches (127 cm) |
| Supported Codecs | Qualcomm aptX, aptX HD, aptX Low Latency, AAC, SBC | SBC | N/A | N/A | N/A |
| Headphone Amplifier | Dedicated | Integrated | N/A | Dedicated | Dedicated |
| Charging Port | USB-Micro B | USB-Micro B | N/A | N/A | N/A |
| Shirt Clip | Fixed | Removable | N/A | N/A | N/A |
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| SE112 | SE215 | SE315 | SE425 | SE535 | SE846 | |
| Detachable Cable | ✓ | ✓ | ✓ | ✓ | ✓ | |
| Sound Signature | Great Sound with Deep Bass | Detailed Sound with Enhanced Bass | Full Range Sound | Accurate and Balanced Sound | Spacious Sound with Rich Bass | Extended High-End Clarity and Unparalleled Low-End Performance |
| Sensitivity (1kHz) | 105 dB SPL/mW | 107 dB SPL/mW | 107 dB SPL/mW | 109 dB SPL/mW | 119 dB SPL/mW | 114 dB SPL/mW |
| Impedance (1kHz) | 16 Ω | 17 Ω | 27 Ω | 20 Ω | 36 Ω | 9 Ω |
| Noise Attenuation | Up to 37 dB | Up to 37 dB | Up to 37 dB | Up to 37 dB | Up to 37 dB | Up to 37 dB |
| Frequency Range | 25Hz - 17kHz | 22 Hz – 17.5 kHz / 21 Hz – 17 kHz (SPE) | 22Hz – 18.5kHz | 20Hz – 19kHz | 18 Hz – 19 kHz / 18 Hz – 19.5 kHz (LTD) | 15Hz – 20kHz |
| Color Options | Black, Gray | Black, Blue, Clear, White | Black, Clear | Clear, Silver | Clear, Bronze, Red | Black, Blue, Bronze, Clear |
| Available as Wireless? | ✓ | ✓ | No, but can convert to wireless with optional RMCE-BT1 or RMCE-BT2 cables | ✓ | ✓ | ✓ |
Customer reviews
First off I love my SE846 earbuds, I'm a professional musician and they are the bomb! I didn't get any bluetooth capable accessories included with my purchase so I decided to purchase this bluetooth communication cable separately. Love the comfort and the long battery life, however I experienced interruptions while using it with multiple devices. This happens while using my LG G5 phone and with my Yamaha high end receiver. My android phone has two choices under Bluetooth settings (one for higher quality) both of these settings generated the same negative results. While hooked up to the my home theater receiver I had the same exact problem of cutting/interruptions from less than 10 feet away. I tried one last time yesterday at the gym and had interruptions in the signal as well as shutting down 8 times in one hour! It kept saying 4 hours of charge left and then about 10 minutes later ..."Good-Bye". So it is with great sadness that I must now return this cable.
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Top reviews from the United States
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Reviewed in the United States on November 21, 2018
Reviewed in the United States on November 26, 2018
First off I love my SE846 earbuds, I'm a professional musician and they are the bomb! I didn't get any bluetooth capable accessories included with my purchase so I decided to purchase this bluetooth communication cable separately. Love the comfort and the long battery life, however I experienced interruptions while using it with multiple devices. This happens while using my LG G5 phone and with my Yamaha high end receiver. My android phone has two choices under Bluetooth settings (one for higher quality) both of these settings generated the same negative results. While hooked up to the my home theater receiver I had the same exact problem of cutting/interruptions from less than 10 feet away. I tried one last time yesterday at the gym and had interruptions in the signal as well as shutting down 8 times in one hour! It kept saying 4 hours of charge left and then about 10 minutes later ..."Good-Bye". So it is with great sadness that I must now return this cable.
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Reviewed in the United States on December 13, 2018
This is a much needed upgrade over the BT1. I currently use the Shure BT2 with the Campfire Andromeda. Here are my findings.
Quieter amp section. The BT1 was a hissy mess. Battery life is 2-4 hours longer. Voice commands are no longer ear piercingly loud. Support for more codecs such as AptX, AptX HD, AptX LL and AAC yields better sound. Amp output impedance is now quite low as my Andromeda’s no longer sound a tad treble heavy as it did on the BT1. The unit that holds the electronics has a firm metal clip that alleviates the weight of the cable. No latency when watching videos thanks to BT version 5 and Aptx LL. Support for AAC when I use my iOS devices and Apple Music resulting in a 1:1 transfer with no further transcoding. Beautiful sound in summary and much easier to use.
Thanks Shure!
Quieter amp section. The BT1 was a hissy mess. Battery life is 2-4 hours longer. Voice commands are no longer ear piercingly loud. Support for more codecs such as AptX, AptX HD, AptX LL and AAC yields better sound. Amp output impedance is now quite low as my Andromeda’s no longer sound a tad treble heavy as it did on the BT1. The unit that holds the electronics has a firm metal clip that alleviates the weight of the cable. No latency when watching videos thanks to BT version 5 and Aptx LL. Support for AAC when I use my iOS devices and Apple Music resulting in a 1:1 transfer with no further transcoding. Beautiful sound in summary and much easier to use.
Thanks Shure!
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Reviewed in the United States on December 4, 2018
Top reviews from other countries
Mr Ian Ferris
works well with only a few nigles
Reviewed in the United Kingdom on January 15, 2019
Amazonカスタマー
RMCE-BT1から大きく進化！
Reviewed in Japan on November 25, 2018
Amazonカスタマー
Reviewed in Japan on November 25, 2018
RMCE-BT1からの乗り換え観点でレビューします。
■良くなったところ
・音質が大きく向上
パッと聴いただけでも、明らかに音が良くなっています。プレイヤーがiPhoneなのでAAC対応が大きいんでしょうか。特にRMCE-BT1で不満だったボヤけた音が、とても明瞭になったのが嬉しいです。
・接続時間が大きく短縮
電源をONにしてからプレイヤーに接続するまでの時間が、とても短くなりました。
BT1の時は、電源ON→「Power On」→「Battery More than 6 hours」→しばらく待って→「Connected」という感じで、電源ONから「Connected」までの待ち時間が、ややストレスでした。BT2では、電源ON→「Power On」→「Connected」→「Battery More than 8 hours」という感じで、電源ON後にすぐ音楽を聴けるようになりました。
・電源OFF時に音声アナウンスされるようになった
BT1は電源OFF時にビープ音が鳴るだけで、本当にOFFになったのか不安でした。BT2は電源OFF時に「Good bye!」と音声で知らせてくれるので安心できるようになりました。
・バッテリー
私の用途では、BT1の最大8時間でも十分でしたが、BT2の最大10時間は絶大な安心感です。
・Bluetooth
BT1でも不満はありませんでしたが、BT2はBluetooth5.0対応になったことで、より安定して聴けるようになった気がします。とはいえ、身動きできないくらいギュウギュウの満員電車だと、プレイヤーをスラックスのポケットに入れていると頻繁に音切れするのは相変わらずです。
■悪くなったところ
・装着感が劣化
首の後ろから回すように装着する場合、RMCE-BT2の方が装着しづらくなっています。
画像を見て貰うと分かりますが、BT1はアンプ部分を襟の後ろにつけた場合に、左右のケーブルとアンプ部分が一直線になり、装着していても違和感がありません。
BT2はアンプ部分を襟の後ろにつけた時に、アンプから伸びているケーブルが"八"の字になるため、ケーブル長に余裕がなくなっています（1と2のケーブル長さは同じ）。また、アンプ部分が縦になるように装着することになるため、首を上下に動かすとアンプ部分が背中に当たるのが気になります。
首の後ろから回すような装着方法はBT2では想定していないのかもしれません。
こんな感じで、使い勝手の面で進化していますし、何より音質が大きく向上しています。
RMCE-BT1を使っている人は、買い替えて損は無いと思います。
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Jonno
Disappointing loss of volume & bass
Reviewed in the United Kingdom on January 2, 2019
Christian
About as good as you can get.
Reviewed in the United Kingdom on July 17, 2019
Christian
Reviewed in the United Kingdom on July 17, 2019
Firstly, they are very well built without being too cumbersome. The Bluetooth receiver/Housing is a little inconvenient, but I suppose it had to go somewhere. It is quite small though and it does have a strong clip to attach it to your clothes. I fired up the device once I had it connected to my buds and it immediately went into pairing mode. This is just the usual procedure and they connected quickly to my phone. No problems there. I work in a bakery with a lot of metal and machinery. Also there is a wireless mesh network in the building which can give any bluetooth device a good workout. With my Phone in our office, I managed to walk about 12 metres away with two walls in between and only then did the connection begin to falter. Other than that, I've been really quite impressed by the connection. Top marks so far.
I've used them with my Shure 535's and also my CA Polaris V2's. Coming from my previous setup of the Radsone ES100, I've found the sound a little flatter than the ES100 (which is set to flat). It's minimal to barely noticeable, but i believe it may be more to do with the memory wire affecting fit rather than any major difference in sound. More on that later. There is no audible hiss or hum. Very good quality and for my less than perfect ears, just as good as wired.
I've seen some mentions of the inline remote being useless and I have to admit that that's not my experience. As I've said, I've used a lot of Bluetooth headphones and to be frank, they are all a little lacking. These function more like a traditional line in remote. You can skip forward and back through tracks, use voice assistant and change volume, pause and play and also answer a call. Overall what I'd expect. Doesn't seem to be possible to Fast Forward or Rewind, but I usually find that pretty useless on digital tracks anyway. Call quality was surprisingly good and my wife is always quick to complain if she's struggle to hear me.
All in all a brilliant device and I thoroughly recommend it. Reliable Bluetooth, good quality sound and easy to control. So why the 4 stars....?
Comfort. Urgh. Just not great at all. I hate memory wire with a passion. It's awful. Perhaps if you live in a warmer climate it'd be more pliable, but for me it's always a fight. A fight to get it onto my ears; a fight to get it curved properly; a fight to get it to play nicely with my glasses; a fight to not force the IEM in a direction that I haven't chosen.I use silicone tips and their grip isn't as strong as foam. If I used the foam tips, I'd probably not have this problem...but it seems to be a constant battle to rearrange and fit these into my ear. They pull my IEMs out time after time and it's just depressing trying to fix it. what a let down. To the point that I'm on the fence about returning. They are just so awkward. Although my setup with the Radsone ES100 is a bit more complex and cumbersome...the comfort is just a different thing altogether. So much nicer without memory wire.
All in all a device that is so good. Almost perfect apart from comfort for me. I would imagine if you're happy with your comfort for the standard wired Shure setup then you'll be cockahoop for these. They are arguably expensive for what they are, but in comparison with other products and adding the convenience then I think it's a reasonable price.
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