Has Active Noise Cancellation (Noise Control)
Devialet Gemini
✓
Apple AirPods Pro (2nd Gen) ✓
Active noise cancellation makes use of advanced kind of tech to reduce ambient sounds. How it works, it studies the sound pattern outside and inside the earbud and after generates a mirror signal to cancel it out. In simple terms, it's like having +1 (sound from your surrounding) and adding -1 (inverted noise) giving 0 resulting in a reduced level of noise.
Devialet Gemini have ANC enabling you to listen at lower volume levels, causing less ear fatigue since you don't need to crank up the earbuds volume to outcompete background sounds.
Apple AirPods Pro (2nd Gen) too have Active Noise Cancellation which makes both devices ideal for flights and morning commutes. Each operate with different noise cancellation modes, pick the mode that you prefer for commute or that suites your relaxation time.
Has Passive Noise Reduction
Devialet Gemini
✓
Apple AirPods Pro (2nd Gen) ✓
The Devialet Gemini sit tightly in place, creating a sound covering that reduces your environment sounds well as preventing the earbuds sound from leaking out .
Both Apple AirPods Pro (2nd Gen), and Devialet Gemini have passive noise reduction this implies that both tone down ambient noise without using technology to cancel it out.
Driver Unit Size
Devialet Gemini
10mm
Apple AirPods Pro (2nd Gen) 11mm
Devialet Gemini have a unit size of 10mm in diameter, bigger drivers are more powerful, therefor producing better bass.
A driver unit is basically a mini speaker that produces sound in the earbuds, its size dictates the loudness of the device.
Apple AirPods Pro (2nd Gen) driver unit is 11mm in diameter,
making them have a larger driver unit than that of Devialet Gemini by 1mm
, 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 it's true that, larger drivers can generate louder sound, but this does not mean that they produce better quality sound.
Lowest Frequency
Devialet Gemini
5Hz
Apple AirPods Pro (2nd Gen) 20Hz
Devialet Gemini's lowest frequency is at 5Hz, low-frequency response measures if and how well an audio device generates low frequencies that can be heard, and if it alters the signal while at it.
Apple AirPods Pro (2nd Gen)'s lowest frequency is at 20Hz, this implies that
Devialet Gemini can make sound with a juicier bass than the Apple AirPods Pro (2nd Gen)
Highest Frequency
Devialet Gemini
20000Hz
Apple AirPods Pro (2nd Gen) 20000Hz
The Devialet Gemini's highest frequency is at 20000Hz, high-frequency response shows how well an audio component makes high recognizable frequencies and if it makes any changes to the signal while at it.
Apple AirPods Pro (2nd Gen)'s highest frequency is at 20000Hz, this means that
both devices produce equal treble
Sound Pressure Level
Devialet Gemini
94dB/mW
Apple AirPods Pro (2nd Gen) ✗
SPL, is the level of pressure of sound, in decibels, dB, Devialet Gemini's measurement is 94dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
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