Has Active Noise Cancellation (Noise Control)
Sennheiser Momentum True Wireless 3
✓
OnePlus Buds Z2 ✓
ANC uses advanced kind of tech to reduce ambient sounds. ANC works when, it studies the sound pattern outside and inside the earbud and inverts the soundwaves to cancel it out. Simply put, it's like having +1 (sound from your surrounding) then producing -1 (counter sound by the device) to make 0 which results in a reduced level of noise.
The OnePlus Buds Z2 have ANC allowing you to listen at lower levels of volume, good for your ears as you don't need to crank up the earbuds volume to outcompete background sounds.
The Sennheiser Momentum True Wireless 3 too have ANC making either of the devices ideal for flights and morning commutes. Each operate with different noise cancellation modes, pick the mode that you prefer for travel or that suites your relaxation time.
Has Passive Noise Reduction
Sennheiser Momentum True Wireless 3
✓
OnePlus Buds Z2 ✓
OnePlus Buds Z2 sit tightly in place, this creates an acoustic seal that reduces background sounds while preventing the device music from leaking out .
Both Sennheiser Momentum True Wireless 3, and OnePlus Buds Z2 have passive noise reduction this means that both reduce ambient noise instead of actively using technology to cancel it out.
Driver Unit Size
Sennheiser Momentum True Wireless 3
7mm
OnePlus Buds Z2 11mm
The OnePlus Buds Z2 driver unit is 11mm in diameter, bigger drivers are more powerful, therefor producing better bass.
The driver unit is basically a mini speaker that makes sound in the device, its size corellates with the loudness of the earbuds.
Sennheiser Momentum True Wireless 3 driver unit is 7mm in diameter,
which implies that they have a smaller driver unit than that of OnePlus Buds Z2 by 4mm
, 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 it's true that, larger drivers can generate louder sound, but this does not mean that they deliver better quality sound.
Lowest Frequency
Sennheiser Momentum True Wireless 3
5Hz
OnePlus Buds Z2 20Hz
OnePlus Buds Z2's lowest frequency is at 20Hz, low-frequency response measures if and how well an audio component produces low frequencies that can be heard, and if it makes any changes to the signal on its way through.
Sennheiser Momentum True Wireless 3's lowest frequency is at 5Hz, this implies that
Sennheiser Momentum True Wireless 3 make sound with a juicier bass than the OnePlus Buds Z2
Highest Frequency
Sennheiser Momentum True Wireless 3
21,000Hz
OnePlus Buds Z2 20,000Hz
OnePlus Buds Z2's highest frequency is at 20,000Hz, high-frequency response measures if and how well a particular audio device generates high recognizable frequencies and if it makes any changes to the signal on its way through.
Sennheiser Momentum True Wireless 3's highest frequency is at 21,000Hz, this implies that
Sennheiser Momentum True Wireless 3 can produce a clearer and crispier treble than the OnePlus Buds Z2
Sound Pressure Level
Sennheiser Momentum True Wireless 3
107dB/mW
OnePlus Buds Z2 ✗
SPL, is the pressure level of sound, measured in decibels, dB, Sennheiser Momentum True Wireless 3's measurement is 107dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
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