Has Active Noise Cancellation (Noise Control)
OnePlus Buds Z2
✓
JBL Reflect Aero TWS ✓
Active noise cancellation utilises advanced technology to reduce unwanted ambient sounds. How it works, it studies the sound pattern outside and inside the earbud and then generates a mirror signal to counter it. In simple terms, it's like having +1 (sound from your surrounding) and adding -1 (counter sound by the device) to make zero resulting in a reduced level of noise.
The OnePlus Buds Z2 have ANC enabling you to listen at lower volume levels, good for your ears as you don't need to crank up the device volume to overcome background sounds.
JBL Reflect Aero TWS too have ANC making both earbuds ideal for plane rides and morning travels. Each work with different noise cancellation modes, pick the setting that you prefer for travel or that enhances your chill time.
Has Passive Noise Reduction
OnePlus Buds Z2
✓
JBL Reflect Aero TWS ✓
OnePlus Buds Z2 stay tightly in place, creating a sound seal that tones down background noise and also prevents the device sound from leaking out at the same.
Both of these devices have passive noise reduction which implies that they limit ambient noise instead of actively using ANC to cancel it out.
Driver Unit Size
OnePlus Buds Z2
11mm
JBL Reflect Aero TWS 6.8mm
OnePlus Buds Z2 have a unit size of 11mm in diameter, the bigger the unit the more powerful, therefor producing better bass.
The driver unit is the component that makes sound in the device, its size determines the sound produced by 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 OnePlus Buds Z2 by 4.2mm
, a common assumption that driver units of a bigger size automatically produce better sound quality.
However, large drivers find it difficult to produce high frequencies so yeah, larger drivers are capable of generating louder sound, but this does not indicate that they produce better quality sound.
Lowest Frequency
OnePlus Buds Z2
20Hz
JBL Reflect Aero TWS 20Hz
The OnePlus Buds Z2's lowest frequency is at 20Hz, low-frequency response measures if and how well a particular audio device generates low recognizable 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 make sound with equal bass
Highest Frequency
OnePlus Buds Z2
20000Hz
JBL Reflect Aero TWS 20000Hz
The OnePlus Buds Z2's highest frequency is at 20000Hz, high-frequency response tells how well a particular audio device generates high recognizable frequencies and if it makes any changes to the signal on its way through.
JBL Reflect Aero TWS's highest frequency is at 20000Hz, this implies that
both devices can generate equal treble
Sound Pressure Level
OnePlus Buds Z2
✗
JBL Reflect Aero TWS 99dB/mW
The sound pressure level, is the level of pressure of sound, measured in decibels, dB, JBL Reflect Aero TWS's measurement is 99dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
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