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Comparison JBL E40BT vs JBL Synchros E50BT

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JBL E40BT
JBL Synchros E50BT
JBL E40BTJBL Synchros E50BT
from $129.00 
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Main
ShareMe function - the ability to send an audio stream to a compatible device
Connection and design
Design
overhead, closed
foldable
swiveling earcups
overhead, closed
foldable
swiveling earcups
Connection typecombinedcombined
Connection
mini-Jack (3.5 mm)
Bluetooth v 3.0
mini-Jack (3.5 mm)
Bluetooth v 3.0
Plugstraightstraight
Cable supplysingle-sidedsingle-sided
Range10 m10 m
Cable typeroundround
Detachable cable
Specs
Impedance32 Ohm32 Ohm
Frequency range20 – 22000 Hz20 – 22000 Hz
Speaker size40 mm50 mm
Emitter typedynamicdynamic
Microphone specs
Microphonebuilt into the casebuilt into the case
Sensitivity-42 dB-42 dB
Features
Volume control
Power supply
Power source
battery /Li-Pol/
battery /Li-Pol/
Headphone battery capacity610 mAh730 mAh
Operating time (music)
24 h /talk; 4 pm — music/
24 h /talk; 6 pm — music/
General
Weight205 g275 g
Color
Added to E-Catalogseptember 2014september 2014

Speaker size

The diameter of the speaker installed in the headphones; models with multiple drivers (see "Number of drivers"), usually, the size of the largest speaker is taken into account, other dimensions can be specified in the notes.

In general, this parameter is relevant primarily for over-ear headphones (see "Design"). In them, emitters can have different sizes; the larger it is, the more saturated the sound is and the better the speaker reproduces the bass, however, large emitters have a corresponding effect on the dimensions, weight and price of the headphones. But in-ear "ears" and earbuds, by definition, have very small speakers, and rich bass in them is achieved due to other design features.

Headphone battery capacity

The capacity of the battery installed in the headphones of the corresponding design (see "Power").

Theoretically, a higher capacity allows to achieve greater battery life, but in fact, the operating time also depends on the power consumption of the headphones — and it can be very different, depending on the characteristics and design features. So this parameter is secondary, and when choosing it is worth paying attention not so much to the battery capacity, but to the directly claimed operating time (see below).

Weight

The total weight of the headphones; for true wireless models (see "Cable Type"), the weight of each individual earbud is listed.

This parameter is directly related to the design (see above) and some features of the functionality. Thus, the mentioned true wireless devices are very light, their weight does not exceed 25 g. More traditional in-ears and in-ears can be noticeably heavier, up to 50g for in-ears and up to 100g for most in-ears. Overhead models, for the most part, are quite massive: among them there are many models weighing 200 – 250 g, 250 – 300 g and even more than 300 g. It should be noted that a significant weight for false ears is often not a disadvantage, but an advantage: it allows them to stay on the head more securely, creates an impression of solidity and reliability, and most often does not create significant inconvenience.
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JBL Synchros E50BT often compared