Has Active Noise Cancellation (Noise Control)
Devialet Gemini
✓
Bose QuietComfort Earbuds II ✓
Active noise cancellation utilises more advanced technology to reduce unwanted ambient sounds. ANC works when, it listens to the sound pattern of incoming noise and then generates a mirror signal to cancel it out. Simply put, it's like taking +1 (sound from your surrounding) and producing -1 (counter sound by the device) to make 0 resulting in a reduced level of noise.
Devialet Gemini have Active Noise Cancellation enabling you to listen at lower levels of volume, good for your ears as you don't have to crank up the earbuds volume to outcompete background sounds.
The Bose QuietComfort Earbuds II too have Active Noise Cancellation making both devices ideal for plane rides and morning commutes. Each operate with different noise cancellation settings, pick the mode that suits your travel or that enhances your chill time.
Has Passive Noise Reduction
Devialet Gemini
✓
Bose QuietComfort Earbuds II ✓
Devialet Gemini stay well in place, creating an acoustic seal that reduces background sounds and also prevents the device music from leaking out .
Both of these devices have passive noise reduction this implies that both limit ambient noise instead of actively using technology to cancel it out.
Driver Unit Size
Devialet Gemini
10mm
Bose QuietComfort Earbuds II 9.3mm
Devialet Gemini have a unit size of 10mm in diameter, bigger drivers are more powerful, and can produce better bass.
The driver unit is basically a mini speaker that produces sound in the earbuds, the unit size corellates with the sound made by the device.
Bose QuietComfort Earbuds II driver unit is 9.3mm in diameter,
which implies that they have a smaller driver unit than that of Devialet Gemini by 0.7mm
, many people have a misconception that driver units of a bigger size automatically produce better sound quality.
However, large drivers usually have difficulty producing high frequencies so yeah, larger drivers are capable of generating louder sound, but this does not imply that they produce better quality sound.
Lowest Frequency
Devialet Gemini
5Hz
Bose QuietComfort Earbuds II 20Hz
The Devialet Gemini's lowest frequency is at 5Hz, low-frequency response measures if and how well a particular audio device produces low recognizable frequencies and if it makes any changes to the signal on its way through.
Bose QuietComfort Earbuds II's lowest frequency is at 20Hz, this means that
Devialet Gemini can make sound with a juicier bass than the Bose QuietComfort Earbuds II
Highest Frequency
Devialet Gemini
20000Hz
Bose QuietComfort Earbuds II 20000Hz
Devialet Gemini's highest frequency is at 20000Hz, high-frequency response indicates how well an audio component makes high human frequencies and if it changes to the signal while at it.
Bose QuietComfort Earbuds II's highest frequency is at 20000Hz, this implies that
both devices can generate equal treble
Sound Pressure Level
Devialet Gemini
94dB/mW
Bose QuietComfort Earbuds II ✗
The sound pressure level, is the pressure level of sound, measured 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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