Has Active Noise Cancellation (Noise Control)
Ultimate Ears UE Fits
✗
JBL Reflect Aero TWS ✓
Active noise cancellation utilises more advanced technology to actively counter noise. How it works, it detects and analyzes the sound pattern outside and inside the earbud and generates a mirror signal to counter it. Simply put, it's like taking +1 (noise) then producing -1 (inverted noise) to make 0 thus "diluting" the noise.
JBL Reflect Aero TWS have Active Noise Cancellation allowing you to listen at lower volume levels, good for your ears since you don't have to crank up the earbuds volume to overcome background sounds.
Has Passive Noise Reduction
Ultimate Ears UE Fits
✓
JBL Reflect Aero TWS ✓
The Ultimate Ears UE Fits sit well in place, creating an acoustic covering that tones down your environment sounds well as preventing the device music from leaking out at the same.
Both of these devices have passive noise reduction this implies that they limit ambient noise without using technology to cancel it out.
Driver Unit Size
Ultimate Ears UE Fits
10mm
JBL Reflect Aero TWS 6.8mm
The Ultimate Ears UE Fits have a unit size of 10mm in diameter, the bigger the unit the more powerful, therefor producing better bass.
A driver unit is the component that produces sound in the device, its size corellates with the loudness of the earbuds.
JBL Reflect Aero TWS driver unit is 6.8mm in diameter,
which means that they have a smaller driver unit than that of Ultimate Ears UE Fits by 3.2mm
, as many tend to believe that driver units of a bigger size automatically produce better sound quality.
However, large drivers usually have difficulty producing high frequencies so yes, larger drivers are capable of generating louder sound, but this does not mean that they deliver better quality sound.
Lowest Frequency
Ultimate Ears UE Fits
20hz
JBL Reflect Aero TWS 20hz
The Ultimate Ears UE Fits's lowest frequency is at 20Hz, low-frequency response measures if and how well an audio device generates low frequencies that can be heard, and if it alters the signal on its way through.
JBL Reflect Aero TWS's lowest frequency is at 20Hz, this means that
both devices can produce equal bass
Highest Frequency
Ultimate Ears UE Fits
20,000hz
JBL Reflect Aero TWS 20,000hz
The Ultimate Ears UE Fits's highest frequency is at 20,000Hz, high-frequency response tells how well an audio component generates high recognizable frequencies and if it changes to the signal while at it.
JBL Reflect Aero TWS's highest frequency is at 20,000Hz, this means that
both devices can generate equal treble
Sound Pressure Level
Ultimate Ears UE Fits
110db/mw
JBL Reflect Aero TWS 99db/mw
SPL, is the pressure level of sound, measured in decibels, dB, Ultimate Ears UE Fits's measurement is 110dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
JBL Reflect Aero TWS's sound pressure level measurement is 99dB/mW. How loud something is can be perceived differently by separate people, so we need to have a way of getting an objective measurement of sound level expressed in numerical terms.
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