Has Active Noise Cancellation (Noise Control)
Sennheiser Momentum True Wireless 3
✓
Devialet Gemini 2 ✓
Active noise cancellation uses advanced kind of tech to actively cancel noise. How it works, it listens to the sound pattern of incoming noise and after inverts the soundwaves to cancel it out. Simply put, it's like taking +1 (noise) and producing -1 (counter sound by the device) to make 0 resulting in a reduced level of noise.
The Devialet Gemini 2 have ANC enabling you to listen at lower volume levels, good for your ears as you don't need to crank up the earbuds volume to overcome background sounds.
The Sennheiser Momentum True Wireless 3 too have Active Noise Cancellation making either of the earbuds ideal for flights and morning travels. Each work with different noise cancellation types, pick the noise cancellation type that you prefer for travel or that enhances your chill time.
Has Passive Noise Reduction
Sennheiser Momentum True Wireless 3
✓
Devialet Gemini 2 ✓
Devialet Gemini 2 stay tightly in place, this creates a sound seal that tones down your environment sounds while preventing the device music from leaking out at the same.
Both Sennheiser Momentum True Wireless 3, and Devialet Gemini 2 have passive noise reduction which means that both limit ambient noise without using ANC to cancel it out.
Driver Unit Size
Sennheiser Momentum True Wireless 3
7mm
Devialet Gemini 2 10mm
Devialet Gemini 2 driver unit is 10mm in diameter, bigger drivers are more powerful, therefor producing better bass.
A driver unit is basically a mini speaker that makes sound in the earbuds, the unit size determines the sound made by the earbuds.
Sennheiser Momentum True Wireless 3 driver unit is 7mm in diameter,
which means that they have a smaller driver unit than that of Devialet Gemini 2 by 3mm
, 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 it's true that, larger drivers can generate louder sound, but this does not indicate that they deliver better quality sound.
Lowest Frequency
Sennheiser Momentum True Wireless 3
5Hz
Devialet Gemini 2 5Hz
Devialet Gemini 2's lowest frequency is at 5Hz, low-frequency response inidcates how well an audio component produces low audible frequencies and if it alters the signal on its way through.
Sennheiser Momentum True Wireless 3's lowest frequency is at 5Hz, this implies that
both devices can make sound with equal bass
Highest Frequency
Sennheiser Momentum True Wireless 3
21,000Hz
Devialet Gemini 2 20,000Hz
Devialet Gemini 2's highest frequency is at 20,000Hz, high-frequency response tells how well an audio device makes high human frequencies and if it makes any changes to the signal while at it.
Sennheiser Momentum True Wireless 3's highest frequency is at 21,000Hz, this means that
Sennheiser Momentum True Wireless 3 can generate a clearer and crispier treble than the Devialet Gemini 2
Sound Pressure Level
Sennheiser Momentum True Wireless 3
107dB/mW
Devialet Gemini 2 120dB/mW
SPL, is the level of pressure of sound, measured in decibels, dB, Devialet Gemini 2's measurement is 120dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
Sennheiser Momentum True Wireless 3's sound pressure level measurement is 107dB/mW. The sound pressure level, a device is can be taken differently by separate people, so we need to have a way of getting a standard measurement of sound level expressed in numerical terms.
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