Saturday, December 19, 2015

JBL Synchros E50BT and E40BT Review

We are big fans of JBL speakers. I have a couple of JBL speakers myself including this Pebble USB speaker (that I love) bought in the US. My brother also bought a couple of JBL EON 615 high-end speakers for church use.

A photo posted by Rom (@romanctp) on

Having tried a lot of JBL earphones before, this is the first time that I was able to try out their Bluetooth wireless headsets – the Synchros E50BT and E40BT.

Both models are quite the same feature-wise. Both are Bluetooth based wireless headphones and supports wireless sharing via ShareMe technology which allows sharing between 2 ShareMe equipped headphones. Both models also has a built-in microphone for hand-free calling.

The batteries are built-in and has an advertised life of 16-18 hours. I wasn’t able to completely deplete the units while testing but I would say that battery life is a non-issue as I did not encounter any low battery indication during my constant use. Both includes an aux cable for wired use.

Disclaimer: I'm not an audiophile and audio expert. I just know good sound when I hear it. Safe to say I won't go into the technicalities of this headset (similar to my other reviews before on earphone/headphones) and would just rundown what my experience was using these.

E50BT Specs & Price

  • Driver: 50 mm
  • Frequency Response: 20 hz – 20 khz
  • Sensitivity: 117 dB SPL/V
  • Driver sensitivity: 0 dB/1kHz 1mW
  • Available colors: black, white, blue and red
  • Price: Php 6,900

E40BT Specs & Price

  • Driver: 40 mm
  • Frequency Response: 20 hz – 20 khz
  • Input Impedance: 32 ohms
  • Sensitivity: 117 dB SPL/V
  • Available colors: black, white, blue and red
  • Price: Php 4,600


These JBL headsets have superior bass and audio clarity when compared to the my Meelectronics Runaway AirFi Bluetooth Headphones. The audio is much fuller and clearer which I preferred more. One thing that I observed was the way the circulat cups would “cup” my ear when using it for long periods. the circular shape made my ear quite uncomfortable. I would have preferred if they had made it more oblong-like. That’s the thing that I like with my Meelectronics Runaway headphones, it doesn’t hug and cover my ear fully and allows it to “breath” freely compared to these cup style. But this is just based on my own usage, to each his own.

One small thing that I liked about these JBL headsets is that they have aluminum swivel hinges that allows it to contort and fold for easy storage on-the-go.

I really like the Synchros E50BT and E40BT despite the ear fatigue that I experienced when using it for long periods. It may be the shape of my ear or the fact that I’m wearing glasses which is being pressed under the back of my ears when wearing this. The sound quality is superb and top notch and the hefty price reflects that.

JBL Digital Dreams (SM North Edsa Annex 4th Floor, beside Samsung)
JBL Acoustical Space (SM Megamall Building B 4th Floor, Cyberzone Area)
JBL Sound Gallery (Bonifacio High Street B3, between Fridays and Happy Lemon)

Thanks to Beyond Innovation for this review unit.
JBL Philippines website

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