Has Active Noise Cancellation (Noise Control)
Sennheiser Momentum True Wireless 4
✓
Nothing Ear 1 ✓
ANC utilises more advanced kind of tech to reduce unwanted ambient sounds. ANC works when, it listens to the sound pattern outside and inside the earbud and generates a mirror signal to counter it. In simple terms, it's like taking +1 (sound from your surrounding) and producing -1 (inverted noise) to make 0 resulting in a reduced level of noise.
The Sennheiser Momentum True Wireless 4 have ANC enabling you to listen at lower levels of volume, good for your ears as you don't have to crank up the device volume to outcompete background sounds.
Nothing Ear 1 too have Active Noise Cancellation making either of the devices ideal for plane rides and morning commutes. Each operate with different noise cancellation settings, pick the noise cancellation type that you prefer for commute or that suites your chill time.
Has Passive Noise Reduction
Sennheiser Momentum True Wireless 4
✓
Nothing Ear 1 ✓
Sennheiser Momentum True Wireless 4 sit tightly in place, creating an acoustic covering that reduces background sounds well as preventing the earbuds music from leaking out at the same.
Both Nothing Ear 1, and Sennheiser Momentum True Wireless 4 have passive noise reduction which means that both tone down ambient noise instead of actively using ANC to cancel it out.
Driver Unit Size
Sennheiser Momentum True Wireless 4
7mm
Nothing Ear 1 11.6mm
Sennheiser Momentum True Wireless 4 have a unit size of 7mm in diameter, bigger drivers are more powerful, and can produce 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.
Nothing Ear 1 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
, 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 yes, larger drivers are capable of generating louder sound, but this does not imply that they produce better quality sound.
Lowest Frequency
Sennheiser Momentum True Wireless 4
5Hz
Nothing Ear 1 20Hz
The Sennheiser Momentum True Wireless 4's lowest frequency is at 5Hz, low-frequency response inidcates how well an audio device produces low recognizable frequencies and if it makes any changes to the signal while at it.
Nothing Ear 1's lowest frequency is at 20Hz, this implies that
Sennheiser Momentum True Wireless 4 produce a juicier bass than the Nothing Ear 1
Highest Frequency
Sennheiser Momentum True Wireless 4
21,000Hz
Nothing Ear 1 20,000Hz
The Sennheiser Momentum True Wireless 4's highest frequency is at 21,000Hz, high-frequency response shows how well a particular audio device generates high human frequencies and if it changes to the signal on its way through.
Nothing Ear 1's highest frequency is at 20,000Hz, this means that
Sennheiser Momentum True Wireless 4 produce a clearer and crispier treble than the Nothing Ear 1
Sound Pressure Level
Sennheiser Momentum True Wireless 4
107dB/mW
Nothing Ear 1 ✗
SPL, is the pressure level of sound, measured 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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