Has Active Noise Cancellation (Noise Control)
Ultimate Ears Drops
✗
OnePlus Buds Z2 ✓
Active noise cancellation uses more advanced kind of tech to actively cancel noise. ANC works when, it studies the sound pattern of incoming noise and after generates a mirror signal to counter it. In simple terms, it's like having +1 (sound from your surrounding) and adding -1 (inverted noise) to make zero which results in a reduced level of noise.
OnePlus Buds Z2 have Active Noise Cancellation enabling you to listen at lower volume levels, causing less ear fatigue since you don't have to crank up the earbuds volume to overcome background sounds.
Has Passive Noise Reduction
Ultimate Ears Drops
✓
OnePlus Buds Z2 ✓
The Ultimate Ears Drops stay tightly in place, creating a sound seal that tones down your environment noise well as preventing the earbuds music from leaking out .
Both of these devices have passive noise reduction which implies that they reduce ambient noise without using ANC to cancel it out.
Driver Unit Size
Ultimate Ears Drops
9.2mm
OnePlus Buds Z2 11mm
Ultimate Ears Drops driver unit is 9.2mm in diameter, the bigger the unit the more powerful, and can produce better bass.
A driver unit is basically a mini speaker that makes sound in the earbuds, the unit size corellates with the loudness of the earbuds.
OnePlus Buds Z2 driver unit is 11mm in diameter,
making them have a larger driver unit than that of Ultimate Ears Drops by 1.8mm
, a common assumption 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 imply that they deliver better quality sound.
Lowest Frequency
Ultimate Ears Drops
20Hz
OnePlus Buds Z2 20Hz
Ultimate Ears Drops's lowest frequency is at 20Hz, low-frequency response measures if and how well an audio component generates low audible frequencies and if it alters the signal on its way through.
OnePlus Buds Z2's lowest frequency is at 20Hz, this implies that
both devices can make sound with equal bass
Highest Frequency
Ultimate Ears Drops
20000Hz
OnePlus Buds Z2 20000Hz
Ultimate Ears Drops's highest frequency is at 20000Hz, high-frequency response indicates how well an audio component makes high recognizable frequencies and if it adjustments to the signal while at it.
OnePlus Buds Z2's highest frequency is at 20000Hz, this implies that
both devices generate equal treble
Sound Pressure Level
Ultimate Ears Drops
110dB/mW
OnePlus Buds Z2 ✗
SPL, is the pressure level of sound, measured 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.
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