Has Active Noise Cancellation (Noise Control)
Devialet Gemini
✓
Apple AirPods Pro (2nd Gen) ✓
ANC utilises advanced kind of tech to reduce ambient sounds. ANC works when, it listens to the sound pattern outside and inside the earbud and generates a mirror signal to counter it. Simply put, it's like having +1 (sound from your surrounding) and producing -1 (inverted noise) giving zero resulting in a reduced level of noise.
Devialet Gemini have Active Noise Cancellation allowing you to listen at lower volume levels, causing less ear fatigue as you don't need to crank up the earbuds volume to outcompete background sounds.
Apple AirPods Pro (2nd Gen) too have ANC which makes both devices ideal for flights and morning commutes. Each operate with different noise cancellation modes, pick the setting that you prefer for commute or that suites your relaxation time.
Has Passive Noise Reduction
Devialet Gemini
✓
Apple AirPods Pro (2nd Gen) ✓
Devialet Gemini sit tightly in place, this creates an acoustic covering that tones down your environment noise and also prevents the device music from leaking out .
Both of these devices have passive noise reduction which implies that they limit ambient noise without using ANC 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, the bigger the unit the more powerful, therefor producing better bass.
A driver unit is basically a mini speaker that makes sound in the device, the unit size corellates with the sound made by the earbuds.
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
, many people have a misconception 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
Devialet Gemini
5Hz
Apple AirPods Pro (2nd Gen) 20Hz
The Devialet Gemini's lowest frequency is at 5Hz, low-frequency response measures if and how well a particular audio component 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 means 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 measures if and how well a particular audio component generates high recognizable frequencies and if it changes to the signal while at it.
Apple AirPods Pro (2nd Gen)'s highest frequency is at 20000Hz, this implies that
both devices generate equal treble
Sound Pressure Level
Devialet Gemini
94dB/mW
Apple AirPods Pro (2nd Gen) ✗
SPL, is the pressure level 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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