Amazon.com: Customer reviews: JBL Synchros S300 Premium On-Ear Stereo Headphones with Universal Remote, Black/Blue

Top positive review

Very Nice!

Reviewed in the United States on April 18, 2017

INITIAL REVIEW: [will post updates]
I have to admit I am a JBL fan-boy, rarely does JBL disappoint. I dont use headphones too frequently but will this year on vacation, earbuds are ok but bother my ears after 2 hours. Did not want to spend BIG $$ on BT wireless pair, even JBL did not have a BT pair I felt was a good investment for the amount of time I will use. Did the research and after deliberation went with these. The appear big on the internet but are just the right size for my fairly large 'mellon'. Quality seems very good, and they should b/c these are close to $200 full-retail. They were had for a LOT less; which make it even sweeter that out of the box with no 'burn-in' time they seem to have all the range I like. I usually burn them in non-stop for about 10-15 hours at a mid-level volume before I bother to listen to them/test.

I could not wait and listened to a few songs [rock/metal] and I am blown away. Not overly-bass-thuddy and not harsh-tinny either. I cant wait to give them a try after burn-in.

2 people found this helpful

Top critical review

Critical reviews›

Amazon Customer

Three Stars

Reviewed in the United States on July 8, 2016

Not comfortable at all, especially if Waring glass.
Sound pretty good.

3 people found this helpful

61 total ratings, 44 with reviews

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From the United States

A. LOCOCO

Very Nice!

Reviewed in the United States on April 18, 2017

Verified Purchase

2 people found this helpful

Helpful

A. Silverstone

Sonorous Headphones

Reviewed in the United States on December 11, 2014

Verified Purchase

JBL has created a fantastic set of traveling headphones with the Synchros S300. The sound is top quality. I had been mainly using high end earphones lately, but for extended periods of time, those can be uncomfortable. The S300 has good response across the bass, middle, and high ranges. The sound is very crisp and distinct across several music genres rock, pop, classical, jazz. Although an on-ear design, the cushioning does a good job of blocking external sound, so you have the sense of being in a concert hall.

It does not matter how foot the headphones sound if they are uncomfortable. Whereas, I find most on-ear headphones press on my ears and don't fell very good, the S300 feels great! It has the right amount of cushion, and the top band is firm but not crushing. It is adjustable by sliding the top band out of the side pieces.

The controller works well for adjusting volume, skipping songs, and taking calls.The S300 comes with a sturdy case, and the earpieces, swivel to the side to fold flat.

The Synchros S300 is now my top choice of headphones to use at work and bring on trips.

3 people found this helpful

Helpful

Amazon Customer

Three Stars

Reviewed in the United States on July 8, 2016

Verified Purchase

Not comfortable at all, especially if Waring glass.
Sound pretty good.

3 people found this helpful

Helpful

David George

RUSH fan? You'll like these!

Reviewed in the United States on August 24, 2015

Verified Purchase

I bought these based upon reading the reviews of others. Most were excellent, some were a little less. I tend to agree with most: these are excellent headphones with lots of bottom-end punch. I can feel they might become a little uncomfortable if worn for an extended period of time. However, that will depend upon each individual's ears and what they're accustomed to.
Solidly built while not being overly heavy or rigid. The cable controls (Android) work well and are convenient.
I wish they had a purchase option for a longer cable. I would have chosen it.

8 people found this helpful

Helpful

Dans Tech Check

I was worried that I would be missing out on a lot of low end frequency's but they did not disappoint! My only problem is that after wearing them ...

Reviewed in the United States on August 9, 2017

Verified Purchase

The sound quality on these headphones is quite satisfactory, I was worried that I would be missing out on a lot of low end frequency's but they did not disappoint!

My only problem is that after wearing them for a long period of time like I do at work my ears begin to hurt but that experience could vary per person.

One person found this helpful

Helpful

Terri W.

Great tone, comfy, and well made

Reviewed in the United States on March 18, 2016

Verified Purchase

I ordered these headphones as a replacement for another pair, different brand, that didn't work. I did quite a bit of research on quality and price before buying these and I'm so glad I chose this pair. They work beautifully. As a musician, I'm very picky with sound quality but I find no complaints at all with these. Balance is great, tone is great, they are very comfortable, well made, and all around, I highly recommend these headphones.

7 people found this helpful

Helpful

Steve

Faulty to a fault.

Reviewed in the United States on September 16, 2015

Style: iOSColor: White/RedProduct Packaging: Standard PackagingVerified Purchase

Two in a row that failed after three months. I will not buy another pair of these JBL.

One person found this helpful

Helpful

Wave

Excellent headphones from a name you can trust.

Reviewed in the United States on June 1, 2016

Verified Purchase

Excellent! The bass response is superb. Its so good I had to turn the bass boost down on the amp vs using normal speakers. Mids and highs sound extremely good as well. Ear cups are very comfortable, and headband fits well. Not too tight, not too loose. I ordered the universal version (a), but was shipped the iOS version (i). These i version will still work universally! I use these while stationary. If I were using these in a mobile environment, I would have a complaint in that the inline controls are a bit too close to the headphones themselves, literally about 5" away. So you will have to feel for them as they are out of sight. Used universally, they don't apply so it doesn't matter to me.

2 people found this helpful

Helpful

Not Available

NOT OVER EAR

Reviewed in the United States on May 25, 2018

Verified Purchase

Bought this thinking it was over ear. For on ear though I have to say I'm able to use it for about 1 1/2 hours before it becomes uncorftable.

Helpful

Anthony Buford

Great with a quality source,

Reviewed in the United States on March 9, 2017

Verified Purchase

Sounds great, especially with HDCD through my Denon player and Bravo tube amplifier. Not that great through a cheap setup. Definitely needs a quality set up and you will be rewarded,I promise,

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JBL Synchros S300 Premium On-Ear Stereo Headphones with Universal Remote, Black/Blue

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