Has Active Noise Cancellation (Noise Control)
Sennheiser Momentum True Wireless 4
✓
Nothing Ear 2 ✓
Active noise cancellation uses advanced kind of tech to reduce ambient sounds. How it works, it detects and analyzes the sound pattern of incoming noise and after inverts the soundwaves to cancel it out. In simple terms, it's like taking +1 (sound from your surrounding) then adding -1 (counter sound by the device) to make zero hence "diluting" the noise.
Sennheiser Momentum True Wireless 4 have Active Noise Cancellation allowing you to listen at lower levels of volume, causing less ear fatigue as you don't need to crank up the device volume to overcome background noise.
The Nothing Ear 2 too have Active Noise Cancellation which makes both earbuds ideal for plane rides and morning travels. Each work with different noise cancellation types, pick the setting that you prefer for commute or that suites your relaxation time.
Has Passive Noise Reduction
Sennheiser Momentum True Wireless 4
✓
Nothing Ear 2 ✓
Sennheiser Momentum True Wireless 4 sit tightly in place, this creates an acoustic seal that reduces background noise well as preventing the device sound from leaking out at the same.
Both of these devices have passive noise reduction which implies that both limit ambient noise without using technology to cancel it out.
Driver Unit Size
Sennheiser Momentum True Wireless 4
7mm
Nothing Ear 2 11.6mm
Sennheiser Momentum True Wireless 4 have a unit size of 7mm in diameter, bigger drivers are more powerful, therefor producing better bass.
The driver unit is the component that makes sound in the earbuds, its size corellates with the sound produced by the earbuds.
Nothing Ear 2 driver unit is 11.6mm in diameter,
making them have a larger driver unit than that of Sennheiser Momentum True Wireless 4 by 4.6mm
, 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 imply that they deliver better quality sound.
Lowest Frequency
Sennheiser Momentum True Wireless 4
5Hz
Nothing Ear 2 20Hz
The Sennheiser Momentum True Wireless 4's lowest frequency is at 5Hz, low-frequency response measures if and how well a particular audio component generates low audible frequencies and if it makes any changes to the signal while at it.
Nothing Ear 2's lowest frequency is at 20Hz, this implies that
Sennheiser Momentum True Wireless 4 produce a juicier bass than the Nothing Ear 2
Highest Frequency
Sennheiser Momentum True Wireless 4
21,000Hz
Nothing Ear 2 20,000Hz
Sennheiser Momentum True Wireless 4's highest frequency is at 21,000Hz, high-frequency response tells how well a particular audio component makes high audible frequencies and if it adjustments to the signal on its way through.
Nothing Ear 2's highest frequency is at 20,000Hz, this implies that
Sennheiser Momentum True Wireless 4 can generate a clearer and crispier treble than the Nothing Ear 2
Sound Pressure Level
Sennheiser Momentum True Wireless 4
107dB/mW
Nothing Ear 2 ✗
The sound pressure level, is the pressure level of sound, in decibels, dB, Sennheiser Momentum True Wireless 4'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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