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Bose SoundSport Free, True Wireless Earbuds, (Sweatproof Bluetooth Headphones for Workouts and Sports), Black
Brand | Bose |
Model Name | SoundSport Free |
Color | Black |
Form Factor | In Ear |
Connectivity Technology | Bluetooth |
About this item
- TRULY wireless Sport headphones for total freedom of movement, packed full of technology that makes music sound clear and powerful
- Earbuds are sweat and weather resistant (with an Ipx4 rating) and come with 3 different pairs of Stay hear and Sport tips (in sizes S/M/L) that provide a comfortable and secure fit
- Up to 5 hours of play time with each charge and an additional 10 hours with the included charging case and also features a charging time of 2 hours
- Track lost earbuds with the Bose connect App's "find My buds" feature
- Firmware update to improve Audio video synchronization for customers using iPhones, iPads and other Bluetooth devices that support AVDTP version 1.3 or later, available via connect app. Connectivity Technology: Wireless Bluetooth
- SoundSport Free headphones have an integrated dual microphone array located on the right earbud to allow you to use them during calls when connected to a smartphone that supports Bluetooth. Call audio will only be heard in the right ear bud
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Pre-owned Certified: Electronics products are inspected, cleaned and (if applicable) repaired to excellent functional standards. Buying Pre-owned extends a product's life, reducing e-waste and raw material extraction.
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Price | $269.99$269.99 | $209.00$209.00 | -20% $159.99$159.99 List: $199.99 | $299.00$299.00 | $199.00$199.00 | $9.99$9.99 |
Delivery | Get it Apr 1 - 4 | — | Get it as soon as Sunday, Mar 31 | Get it as soon as Sunday, Mar 31 | Get it as soon as Sunday, Mar 31 | Get it as soon as Sunday, Mar 31 |
Customer Ratings | ||||||
Sound quality | 4.5 | 5.0 | 4.0 | 4.3 | 4.3 | 4.3 |
Noise cancellation | 3.9 | 4.8 | 3.9 | 3.0 | 4.2 | 3.0 |
Battery life | 4.0 | 4.7 | 4.2 | 4.6 | 4.3 | — |
Comfort | — | — | 4.6 | 4.0 | 4.0 | 4.3 |
Sold By | K and M Enterprise | Adorama | Amazon.com | Amazon.com | Amazon.com | wokeyi |
connectivity tech | Bluetooth | वायरलस | Wireless | Wireless | Wireless, Bluetooth, Apple H1 Chip, NFC | — |
headphones form factor | In Ear | In Ear | In Ear | Open Ear | In Ear | In Ear |
connector type | wireless | usb | — | — | USB Type C | — |
noise control | active noise cancellation | active noise cancellation | active noise cancellation | — | active noise cancellation | — |
cable feature | Without Cable | Without Cable | Without Cable | Without Cable | Without Cable | — |
control type | Call Control | Media Control | Voice Control | Media Control | Call Control,Volume Control,Media Control,App Control,Voice Control,Noise Control | — |
material | Plastic | Plastic | Acrylonitrile Butadiene Styrene (ABS), Silicone | — | Silicone | Plastic |
From the manufacturer
SoundSport Free wireless headphones
No wires. No stopping you.
Meet SoundSport Free headphones, the truly wireless in-ear headphones from Bose, made for the toughest workouts. They are engineered to deliver clear, powerful sound with nothing—not even a single wire—in your way. So you can achieve your personal best every time you use them.
Track lost earbuds and more.
Worried about losing an earbud? Don’t be. The Bose Connect app has a 'Find My Buds' feature that tracks when and where your headphones were last connected to your phone. Still having trouble finding your earbuds? Don’t worry, an audio signal from the headphones can alert you to their location. Plus, you can manage all your Bluetooth connections, switch between devices, personalize settings and receive software updates.
Much more than a case.
This charging case protects and recharges your earbuds while you recover from your workout. It’s magnetized, so it keeps them in place while they charge. It also provides two additional full charges—or up to 10 hours of battery life. So when you’re ready to go, your headphones are, too.
Compare to other Bose
Heart rate sensor | | |
IPX4 rating | Sweat resistant | IPX4 rating |
Up to 5 hours | Battery life | Up to 5 hours |
| Track lost earbuds | |
| Easy NFC Pairing | |
StayHear+ Sport tips | StayHear+ Tips | StayHear+ Pulse tips |
| Charging case |
Heart rate sensor | ||
IPX4 rating | Sweat resistant | IPX4 rating |
Up to 5 hours | Battery life | Up to 6 hours |
| Track lost earbuds | |
| Easy NFC Pairing | |
StayHear+ Sport tips | StayHear+ Tips | StayHear+ Sport tips |
| Charging case |
What's in the box
Videos
Videos for this product
2:25
Click to play video
Better than AirPods Pro? Three Things I Like Better
JamesDaily
Videos for this product
1:12
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Our Point of View on Bose SoundSport Free Earbuds
WTI | We Tried It!
Videos for this product
1:18
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Bose Soundsport Buds - Must know this before buying
Needa and Farhan
Looking for specific info?
Product information
Product Dimensions | 1.2 x 1 x 1.25 inches |
---|---|
Item Weight | 0.317 ounces |
ASIN | B0748G1QLP |
Item model number | 774373-0010 |
Batteries | 1 LR44 batteries required. (included) |
Customer Reviews |
4.3 out of 5 stars |
Best Sellers Rank | #78,508 in Electronics (See Top 100 in Electronics) #4,087 in Earbud & In-Ear Headphones |
Is Discontinued By Manufacturer | No |
Date First Available | September 22, 2017 |
Manufacturer | Bose Corporation |
Charging Time | 2 Hour |
Item Weight | 9 Grams |
Units | 1.0 Count |
Number Of Items | 1 |
Warranty & Support
Feedback
Product Description
No wires mean no limits. And Bose sound sport free headphones are completely wireless, so you can enjoy total freedom of movement with nothing not even a single cord in your way. The acoustic package is designed to deliver sound so clear and powerful it will motivate you to go faster, lift heavier and train longer. Bluetooth technology transmits music from your phone to the headphones, so music plays reliably and consistently whether your phone is in your nearby gym bag, pocket or strapped to your arm. Worried your earbuds will fall out during your workout? don't be. Stay hear, sport tips are built to stay comfortably in place, even when you're training hard. And if you can't find an earbud, all hope is not lost. You can track down lost earbuds using the Bose connect app's “find my buds” feature. It shows when and where the earbuds were last connected to your phone. Still having trouble finding your earbuds? don't worry, an audio signal from the headphones can alert you to their location. Don't sweat your sweat (or the weather) either, because water repellent materials Inside the earbuds help keep moisture out. Off a single charge, the earbuds play for up to five hours, and the fully charged case gives you an additional 10 hours of music, ready to play when you are. When not in use, the charging case is designed with built in magnets to keep the earbuds securely in place. Play or pause tracks and access your phone's Siri or your Google assistant right from the earbud. You can even take phone calls, through the right earbud only.
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the sound quality of the headphones. They say the sound is absolutely amazing. They are also happy with the comfort. However, some customers have reported issues with connectivity. Customers also differ on quality, performance, battery life, stability, and fit.
AI-generated from the text of customer reviews
Customers like the sound quality of the headphones. They say that the sound is absolutely amazing for wireless earbuds.
"...Sound Quality is absolutely amazing for wireless earbuds considering your other options - they are the top of the stack for quality of sound hands..." Read more
"...As far as the sound, Bass, Treble, Mids, highs etc,The sound is perfectly balanced, You can adjust these with the Connect App or your..." Read more
"...SoundSport Free buds, and strongly recommend them on all levels: sound quality, comfort, build and ease of use. I'm very happy with my purchase." Read more
"...These are the first Bluetooth headphones i have had that sound just as good on low volume as they do on max volume...." Read more
Customers are mixed about the quality of the headphones. Some mention that they love the high quality, sturdy design, and incredible sound. However, others say that the quality drops a bit, is poorly engineered, and has slight aberrations from the processing of the sound.
"...would suggest purchasing these ear buds, if you want a good sounding, quality, long lasting Ear buds." Read more
"...The charging case is well designed and durable, although I keep mine in a leather carrying case with its micro-USB cable and a small charger I can..." Read more
"...Otherwise wired is always better obviously. There is slight aberrations from the processing of the sound but that is expected otherwise the profile..." Read more
"...The case is great (though it will never beat the Apple AirPod case - but again nothing will), charges quickly, and easy to pack away and not worry..." Read more
Customers like the comfort of the headphones. They say the secure fit ensures they stay in place during workouts. The buds sit firmly but comfortably outside the ear canal. They also mention that the little protrusions sit nicely in the outer ear.
"...The design sits in the ears with a twist and is comfortable without any kind of slipping out despite the design of being bulky compared to other..." Read more
"...woke i was amazed to find out they still didnt fall out and they werent uncomfortable, at least for me. Now others will have a different opinion...." Read more
"...Free buds, and strongly recommend them on all levels: sound quality, comfort, build and ease of use. I'm very happy with my purchase." Read more
"...Hurt ears after long usage- Big and Bulky charge case- No advanced sound options or equalizer configuration-..." Read more
Customers are mixed about the performance of the headphones. Some mention that they work great, have good functionality, sound quality, and comfort. They are happy with the overall performance and the amazing sound quality. However, others say that they quit working and the warranty doesn't cover past. They also mention that the app works well and has no special function.
"...and even then the next time I put them back in the case, they stop working again...." Read more
"...YouTube app itself is fine but access it from the web page and.....well just don't I would imagine its the same way for any streaming service, need..." Read more
"...They sound absolutely fantastic. Seriously. Yes, they are ungainly and stick out further than most truly wireless bluetooth earbuds, but I'll wager..." Read more
"...All in All I am very very happy with the over all performance and the amazing sound quality of these ear buds....." Read more
Customers are mixed about the battery life of the headphones. Some mention that the battery is pretty good if you keep your case with you, and the charge works for a long time. However, others say that the charge on the case battery drops surprisingly quickly when the buds are in the charging station.
"...It does not shut down when you are done, so it drains the batteries overnight...." Read more
"...Battery life / charging speed and convenience - 4-5 hours on full charge as advertised with 2+ charges in the case...." Read more
"...irritating issue stemming from the older bluetooth: it sapped the battery life of my Watch, and not just by a little, either...." Read more
"...Very moisture resistant (I sweat a lot)- Battery life is good for my purposesCons:-..." Read more
Customers are mixed about the stability of the headphones. Some mention that they stay firmly in place and with little to no ear fatigue or pain after a workout. However, others say that the left earbud drops for a few seconds, but will reconnect.
"...night i always have, When i woke i was amazed to find out they still didnt fall out and they werent uncomfortable, at least for me...." Read more
"...Once in a while (and very rarely) the left earbud drops for a few seconds, but will reconnect automatically...." Read more
"...The buds are very comfortable for extended use periods, and stay in place far better than Apple or other buds I tried...." Read more
"...Case doesn't spring openAll in all I really like these headphones for working out. I would purchase them again and recommend them." Read more
Customers are mixed about the fit of the headphones. Some mention that the fit is very good, and has remained in place very comfortably. They say the size is fine and the shape is compact. Others say that the case is a little big and clunky, and the earbuds are quite large. They also mention that they wish the fit was more snug, and that the battery is pretty small.
"...Size is fine and so is the shape.No physical buttons instead touch input for audio controls...." Read more
"...I only wish the fit was more snug.. I dont like the ear tips.If you tried in the past and didnt like it, maybe try it again?..." Read more
"...They come with 3 sets of changeable ear fits, Small, Medium, Large. which are very comfortable.Comes with a charging cord...." Read more
"...The medium ear molds fit me nicely (they also come with small and large) and the earbuds themselves are pretty lightweight...." Read more
Customers are dissatisfied with the connectivity of the headphones. They mention that the left earbud constantly connects and disconnects by itself while walking around. They also say that the headphones have issues with connecting to each other and other devices. Some customers also mention that they struggle to get both buds to connect.
"...Video audio sync is terrible unless you are playing video from Apps, you need to watch what codecs are being used and just be aware this is not the..." Read more
"...that when connected to a device, e.g., an iPhone, the buds won't connect to a different device, e.g., my MacBook, unless I manually break the..." Read more
"...Negative Reviews on disconnection of one ear bud: I have used these almost daily for over a year and have never had disconnection issue or a drop..." Read more
"...Once again, the audio fails. The bluetooth connection is fine and I can hear the voice in the SSFs say so, but I get no music audio in the SSFs...." Read more
Reviews with images
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Top reviews
Top reviews from the United States
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First and foremost these are for Music and Fitness- you can tell by the design choices and the marketing materials - I would seriously not take anyone's review into account unless that is the sole focus on the review. These are for use with a Cell Phone not a PC or MAC.
Sound Quality is absolutely amazing for wireless earbuds considering your other options - they are the top of the stack for quality of sound hands down(The Beats version comes in at around tie to slightly lower quality) - If this is your priority don't look back. Otherwise wired is always better obviously. There is slight aberrations from the processing of the sound but that is expected otherwise the profile is good for wireless. Bass is good, mid range is solid and highs are there but don't get to the point they are ear piercing focused. Very loud - If your phone is all the way up in most medium environments you will probably have them around half volume.
Connectivity - no problems whatsoever, but be aware the left earbud can time out which makes it seem like it isn't connected, also you will get drops around extremely strong radio waves and will cause drops primarily in the left ear, mine never cut out despite using them at the business/working end/side of the airport where radio signals are all over the place with missive congestion on the radio wave spectrum. Don't expect to use these and walk away they are meant to have a cell phone carried with you -another thing to keep in mind from others reviews.
The design sits in the ears with a twist and is comfortable without any kind of slipping out despite the design of being bulky compared to other options. Could not shake them out even tried a headbang metal session which is weird despite not having foam eartips. It is larger compared to other options but manages to not fatigue the ears that much.
Got 6 hours of battery life out of them with 2.5 additional charges from the case, honestly at that point battery is moot unless you are going camping for a week, on standby 5 days without the charge.
Water resistant to sweat and water but not to be submerged - this makes it easier to wear when raining without fear or sweat from workouts and makes for easy cleanup - but use common sense and they should be 100% fine.
Okay now for the pitfalls.
Video audio sync is terrible unless you are playing video from Apps, you need to watch what codecs are being used and just be aware this is not the prime focus of this device. YouTube app itself is fine but access it from the web page and.....well just don't I would imagine its the same way for any streaming service, need to test it with Amazon video/Funimation/Netflix/Hulu and the other streaming services. Something tells me the apps are fine but webpage streams are bad depending on codecs used.
There are physical buttons on the ear pieces and man the play/pause/skip/… is hard to push, Volume buttons aren't terrible but still bad, these needed to be a bit more user friendly, a touch pad on the exterior shell would have been better.
On calls the design choice was only to use the master ear piece rather than have audio come from the set of buds. +/- depending as you can use it old style with just the master while walking around.
No active noise cancelation that Bose is famous for - Passive is terrible - design choice probably for runners and cyclists.
Next revision - Bose needs to change for these to be an absolute home run
Size is fine and so is the shape.
No physical buttons instead touch input for audio controls.
non-proprietary USB type C charging for the case instead of Micro USB 2 is this pre 3.0 2000's??? using outdated standards on a premium product is an absolute no-no for what you are charging for these. Wireless charging??? Power share???
New eartip options meant to satisfy Passive NC requirements to open up type of consumer base.
Bose's famous ANC would be nice as well. - Runners and cyclists can turn it off but if its never there that isn't an option...
Ideally if they change a few things and nail the connectivity/Codec issues and then change a few outdated aspects these would be a $250-$300 set of premium earbuds but the features and product needs to warrant that price.
They come with 3 sets of changeable ear fits, Small, Medium, Large. which are very comfortable.
Comes with a charging cord.
Of course the Ear Buds
Charging Case.
As far as the sound, Bass, Treble, Mids, highs etc,
The sound is perfectly balanced, You can adjust these with the Connect App or your device.
They have amazing Bass, no crackling, no distortion, PERFECT SOUND that you can adjust if you like.
I am very picky when it comes to sound being right.
I have NO complaints about the amazing sound these Buds put out.
They are very comfortable while in. When you put them in you need to rotate then a tiny bit to get them so sit in, they will not just fall out, it takes some force to make them fall out. Yesterday night i wanted to sleep with them in because my female cat is in heat and i did not want to listen to her calling all night. So i slept with them in both ears, i woke up to them still playing and still in my ears, and i toss and turn all night i always have, When i woke i was amazed to find out they still didnt fall out and they werent uncomfortable, at least for me. Now others will have a different opinion. but the main focus is that they stayed in and were still playing 9 hrs later.
As for the operation buttons [ volume. play, pause, excepting phone calls. I have fat fingers and had no issues operating them while still in my ears, it did not cause issues of them falling out.]
As for sweat and water resistant is true. They arent waterproof.
Taking a Phone call and having your call hear you, You do not have to raise your voice or yell, you can talk like you normally would. They work excellent during a call.
All in All I am very very happy with the over all performance and the amazing sound quality of these ear buds..
I should only do 4 stars, only because they should come with the wall charger to fix the false showing of not being fully charged.
I would suggest purchasing these ear buds, if you want a good sounding, quality, long lasting Ear buds.
Reviewed in the United States on March 12, 2020
They come with 3 sets of changeable ear fits, Small, Medium, Large. which are very comfortable.
Comes with a charging cord.
Of course the Ear Buds
Charging Case.
As far as the sound, Bass, Treble, Mids, highs etc,
The sound is perfectly balanced, You can adjust these with the Connect App or your device.
They have amazing Bass, no crackling, no distortion, PERFECT SOUND that you can adjust if you like.
I am very picky when it comes to sound being right.
I have NO complaints about the amazing sound these Buds put out.
They are very comfortable while in. When you put them in you need to rotate then a tiny bit to get them so sit in, they will not just fall out, it takes some force to make them fall out. Yesterday night i wanted to sleep with them in because my female cat is in heat and i did not want to listen to her calling all night. So i slept with them in both ears, i woke up to them still playing and still in my ears, and i toss and turn all night i always have, When i woke i was amazed to find out they still didnt fall out and they werent uncomfortable, at least for me. Now others will have a different opinion. but the main focus is that they stayed in and were still playing 9 hrs later.
As for the operation buttons [ volume. play, pause, excepting phone calls. I have fat fingers and had no issues operating them while still in my ears, it did not cause issues of them falling out.]
As for sweat and water resistant is true. They arent waterproof.
Taking a Phone call and having your call hear you, You do not have to raise your voice or yell, you can talk like you normally would. They work excellent during a call.
All in All I am very very happy with the over all performance and the amazing sound quality of these ear buds..
I should only do 4 stars, only because they should come with the wall charger to fix the false showing of not being fully charged.
I would suggest purchasing these ear buds, if you want a good sounding, quality, long lasting Ear buds.
Top reviews from other countries
Wordt automatisch opgeladen in opberg case.
Een vrouwelijke stem verteld na het in doen in de oren dat er verbinding is en het percentage stroom dat aanwezig is.
Ben er zeer tevreden mee.
Del sonido puedo decir que es garantía BOSE, bajos y agudos muy nítidos, aunque cuando subes el volumen a tope uno de los audífonos (lado izq.) hace un sonido leve similar al de una bocina reventada. Respecto a la batería puedo decir que hasta este momento el tiempo que demoran los audífonos de ir del 100% de la carga al 0% es de alrededor de 3.5hrs. sin problemas. La carga de los audífonos es por medio de un estuche carga pequeño que hace de resguardo y carga, imantado para que no se caigan, tardan cerca de 1hr. en cargarse totalmente los audífonos rápidamente. Es importante recordar que la única manera de recargar la pila es a través del estuche y no viene algún conector a la toma-corriente por lo que considerar conectarlos a un buen toma-corrientes para evitar daños de sobrevoltaje.
El detalle de hacer deporte es perfecto ya que es muy difícil que se te caigan pues están diseñados y patentados para no caerse por nada del mundo. Vienen 3 almohadillas dependiendo del tamaño de tu oreja, se quedan fijos en su lugar sin lastimar, los botones de control están muy duros, hay que hacer mucha fuerza para oprimirlos, si mantienes oprimido el botón central del audífono derecho puedes usar comandos de voz con Alexa y Google desde el celular dependiendo de tu configuración, aunque como repito, el botón es duro y resulta incomodo mantenerlo presionado en lo que dictas un comando de voz. 1 click contesta-finaliza llamadas o pausa-reproduce canción, 2 click regresa la canción, 3 click adelanta la canción.
Considerar que cuando recibes una llamada funciona hasta 9m de distancia con el teléfono (sin que haya paredes de por medio) pero solo se escucha el auricular derecho, (situación incomoda para los zurdos). Le falta mas inclusión a BOSE. Respecto al lag que mencionan lamento decir que si tiene retraso de cerca de 1seg. (algo molesto que deberían resolver en próximos firmwares). Los he probado con las apps de Amazón Prime, Youtube, Hbo Go y Fox Premium app. y en todas parece tener ese retraso.
Es un precio alto que vale la pena para los que aman el sonido y se deleitan con la FIDELIDAD por encima de un volumen estruendoso.
*Considerar lo llamativos que son, en especial en el caso de la inseguridad, sino optar por algún color discreto.*
Altamente recomendables, vale la inversión.
Reviewed in Mexico on July 16, 2019
Del sonido puedo decir que es garantía BOSE, bajos y agudos muy nítidos, aunque cuando subes el volumen a tope uno de los audífonos (lado izq.) hace un sonido leve similar al de una bocina reventada. Respecto a la batería puedo decir que hasta este momento el tiempo que demoran los audífonos de ir del 100% de la carga al 0% es de alrededor de 3.5hrs. sin problemas. La carga de los audífonos es por medio de un estuche carga pequeño que hace de resguardo y carga, imantado para que no se caigan, tardan cerca de 1hr. en cargarse totalmente los audífonos rápidamente. Es importante recordar que la única manera de recargar la pila es a través del estuche y no viene algún conector a la toma-corriente por lo que considerar conectarlos a un buen toma-corrientes para evitar daños de sobrevoltaje.
El detalle de hacer deporte es perfecto ya que es muy difícil que se te caigan pues están diseñados y patentados para no caerse por nada del mundo. Vienen 3 almohadillas dependiendo del tamaño de tu oreja, se quedan fijos en su lugar sin lastimar, los botones de control están muy duros, hay que hacer mucha fuerza para oprimirlos, si mantienes oprimido el botón central del audífono derecho puedes usar comandos de voz con Alexa y Google desde el celular dependiendo de tu configuración, aunque como repito, el botón es duro y resulta incomodo mantenerlo presionado en lo que dictas un comando de voz. 1 click contesta-finaliza llamadas o pausa-reproduce canción, 2 click regresa la canción, 3 click adelanta la canción.
Considerar que cuando recibes una llamada funciona hasta 9m de distancia con el teléfono (sin que haya paredes de por medio) pero solo se escucha el auricular derecho, (situación incomoda para los zurdos). Le falta mas inclusión a BOSE. Respecto al lag que mencionan lamento decir que si tiene retraso de cerca de 1seg. (algo molesto que deberían resolver en próximos firmwares). Los he probado con las apps de Amazón Prime, Youtube, Hbo Go y Fox Premium app. y en todas parece tener ese retraso.
Es un precio alto que vale la pena para los que aman el sonido y se deleitan con la FIDELIDAD por encima de un volumen estruendoso.
*Considerar lo llamativos que son, en especial en el caso de la inseguridad, sino optar por algún color discreto.*
Altamente recomendables, vale la inversión.
(*) Hago esta aclaración, ya que siempre suenan bien, pero cuando las canciones son de "ALTA CALIDAD - SIN PERDIDAS o CON POCA COMPRESIÓN - Mp3 VBR +/AIFF/WAV/AAC/etc o en Formatos con poca compresión o pocas veces convertidos" por ejem. canciones descargadas, que muchas veces ya están re re re comprimidas en Mp3/Wma/etc los bajos no serán tan marcados o casi inexistentes.
Yo escucho House/Tech House & Techno sobretodo, cuando probé estos auriculares me di cuenta que eran idóneos para esta música, el resto de marcas ya conocidas venden que son potentes... nada de nada, llevo años buscando algo así y creo que son los mejores hasta la fecha.
Yo aun busco mas potencia de sonido en unos auriculares inalámbricos, pero con este producto me doy por satisfecho. Obviamente unos de cable sonaran mucho mejor y evitaran la perdida de calidad al mínimo, pero para el deporte cuanto menos cable mejor, es mi opinión.
También decir, que aun poniéndolos al máximo de volumen (para muchos que los probaron dicen quedarse sordos) es una exageración; se oyen potentes pero aun deberían sonar mucho mas, en mi opinión, si seria el doble de potencia de la actual, serian los mejores de la historia.
Disculpen el énfasis en la palabra "DEPORTIVOS" pero es importante aclarar que son los ideales para hacer ejercicio: no se caen, no son incómodos, se escucha con una excelente calidad el sonido y el sudor nunca será un inconveniente para los audífonos (a pesar de que sudes en exceso como yo).
Si pretendes usar los audífonos para ver videos, no los recomiendo ya que hay un pequeño atraso del sonido, sin embargo, si los vas a usar para hacer ejercicio, a pesar de que es un producto oneroso, los recomiendo ampliamente, no he tenido ningún problema con la pila, el sonido, ni la comodidad, superaron mis expectativas.
Gracias.
ACTUALIZO RESEÑA, OCTUBRE 2020:
Dos años después de uso y con cuidados impecable, los audífonos siguen funcionando magníficamente SALVO que, desde ENERO de 2020, ha sido un DOLOR DE CABEZA sincronizar los audífonos al mismo tiempo, es decir, la gran mayoría de las veces, al encender los audífonos, únicamente escucho por el audífono derecho y me puedo tardar más de 15 minutos tratando de que se sincronice el audífono izquierdo (cosa que debería hacerse automáticamente). Al principió no era así, aclaro que está actualizado el Software de los audífonos, no sé si la última actualización ocasionó la falla o de plano es un error mecánico del producto.
Ojalá lo arreglen, es una lástima y gran molestia no poder usar el producto como se debe y tener que estar a "la suerte" en que se sincronicen correctamente los audífonos.
Gracias.