Has Active Noise Cancellation (Noise Control)
Ultimate Ears Drops
✗
JBL Reflect Aero TWS ✓
ANC makes use of more advanced technology to actively counter noise. How it works, it listens to the sound pattern outside and inside the earbud and after generates a mirror signal to cancel it out. In simple terms, it's like having +1 (sound from your surrounding) then producing -1 (inverted noise) to make zero resulting in a reduced level of noise.
JBL Reflect Aero TWS have Active Noise Cancellation enabling you to listen at lower volume levels, causing less ear fatigue as you don't have to crank up the earbuds volume to outcompete background sounds.
Has Passive Noise Reduction
Ultimate Ears Drops
✓
JBL Reflect Aero TWS ✓
Ultimate Ears Drops sit tightly in place, creating a sound covering that reduces your environment sounds while preventing the earbuds sound from leaking out at the same.
Both JBL Reflect Aero TWS, and Ultimate Ears Drops have passive noise reduction which means that they limit ambient noise without using ANC to cancel it out.
Driver Unit Size
Ultimate Ears Drops
9.2mm
JBL Reflect Aero TWS 6.8mm
Ultimate Ears Drops driver unit is 9.2mm in diameter, the bigger the unit the more powerful, therefor producing better bass.
The driver unit is the component that produces sound in the device, its size corellates with the loudness of the device.
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 Drops by 2.4mm
, many people have a misconception that driver units of a bigger size automatically produce better sound quality.
However, large drivers usually have difficulty producing high frequencies so yeah, larger drivers can generate louder sound, but this does not indicate that they produce better quality sound.
Lowest Frequency
Ultimate Ears Drops
20Hz
JBL Reflect Aero TWS 20Hz
Ultimate Ears Drops's lowest frequency is at 20Hz, low-frequency response inidcates how well a particular audio device generates low audible frequencies and if it makes any changes to the signal on its way through.
JBL Reflect Aero TWS's lowest frequency is at 20Hz, this implies that
both devices can produce equal bass
Highest Frequency
Ultimate Ears Drops
20000Hz
JBL Reflect Aero TWS 20000Hz
Ultimate Ears Drops's highest frequency is at 20000Hz, high-frequency response measures if and how well a particular audio component makes high human frequencies and if it makes any changes to the signal while at it.
JBL Reflect Aero TWS's highest frequency is at 20000Hz, this implies that
both devices can generate equal treble
Sound Pressure Level
Ultimate Ears Drops
110dB/mW
JBL Reflect Aero TWS 99dB/mW
SPL, is the level of pressure of sound, in decibels, dB, Ultimate Ears Drops'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 a device is can be considered differently by separate persons, so we need to have the means to get an objective measurement of sound level expressed in numerical terms.
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