Has Active Noise Cancellation (Noise Control)
Bose QuietComfort Earbuds II
✓
Sennheiser Momentum True Wireless 3 ✓
ANC uses more advanced kind of tech to reduce ambient sounds. ANC works when, it listens to the sound pattern outside and inside the earbud and after generates a mirror signal to counter it. Simply put, it's like having +1 (sound from your surrounding) and adding -1 (counter sound by the device) giving 0 thus "diluting" the noise.
The Bose QuietComfort Earbuds II 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 noise.
The Sennheiser Momentum True Wireless 3 too have Active Noise Cancellation making both earbuds ideal for flights and rush hour travels. Each operate with different noise cancellation settings, pick the mode that you prefer for travel or that suites your chill time.
Has Passive Noise Reduction
Bose QuietComfort Earbuds II
✓
Sennheiser Momentum True Wireless 3 ✓
Bose QuietComfort Earbuds II stay well in place, this creates an acoustic seal that reduces your environment sounds well as preventing the earbuds music from leaking out .
Both of these devices have passive noise reduction this implies that they reduce ambient noise without using ANC to cancel it out.
Driver Unit Size
Bose QuietComfort Earbuds II
9.3mm
Sennheiser Momentum True Wireless 3 7mm
The Bose QuietComfort Earbuds II have a unit size of 9.3mm in diameter, the bigger the unit the more powerful, and can produce better bass.
The driver unit is the component that makes sound in the earbuds, the unit size dictates the sound made by the device.
Sennheiser Momentum True Wireless 3 driver unit is 7mm in diameter,
which implies that they have a smaller driver unit than that of Bose QuietComfort Earbuds II by 2.3mm
, as many tend to believe 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
Bose QuietComfort Earbuds II
20Hz
Sennheiser Momentum True Wireless 3 5Hz
The Bose QuietComfort Earbuds II's lowest frequency is at 20Hz, low-frequency response inidcates how well a particular audio component generates low audible frequencies and if it alters the signal while at it.
Sennheiser Momentum True Wireless 3's lowest frequency is at 5Hz, this means that
Sennheiser Momentum True Wireless 3 make sound with a juicier bass than the Bose QuietComfort Earbuds II
Highest Frequency
Bose QuietComfort Earbuds II
20000Hz
Sennheiser Momentum True Wireless 3 21000Hz
Bose QuietComfort Earbuds II's highest frequency is at 20000Hz, high-frequency response tells how well a particular audio component produces high human frequencies and if it changes to the signal while at it.
Sennheiser Momentum True Wireless 3's highest frequency is at 21000Hz, this means that
Sennheiser Momentum True Wireless 3 generate a clearer and crispier treble than the Bose QuietComfort Earbuds II
Sound Pressure Level
Bose QuietComfort Earbuds II
✗
Sennheiser Momentum True Wireless 3 107dB/mW
The sound pressure level, is the level of pressure 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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