Has Active Noise Cancellation (Noise Control)
OnePlus Buds Pro 2
✓
Devialet Gemini 2 ✓
Active noise cancellation uses 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 counter it. In simple terms, it's like having +1 (noise) and producing -1 (inverted noise) giving zero which results in a reduced level of noise.
Devialet Gemini 2 have ANC enabling you to listen at lower levels of volume, causing less ear fatigue as you don't have to crank up the earbuds volume to outcompete background noise.
The OnePlus Buds Pro 2 too have ANC making either of the devices ideal for flights and morning travels. Each operate with different noise cancellation modes, pick the noise cancellation type that you prefer for travel or that suites your chill time.
Has Passive Noise Reduction
OnePlus Buds Pro 2
✓
Devialet Gemini 2 ✓
Devialet Gemini 2 sit tightly in place, creating an acoustic seal that reduces your environment noise well as preventing the earbuds sound from leaking out .
Both of these devices have passive noise reduction which means that both limit ambient noise instead of actively using ANC to cancel it out.
Driver Unit Size
OnePlus Buds Pro 2
11mm
Devialet Gemini 2 10mm
The Devialet Gemini 2 have a unit size of 10mm in diameter, the bigger the unit the more powerful, and can produce better bass.
A driver unit is basically a mini speaker that produces sound in the device, its size corellates with the loudness of the earbuds.
OnePlus Buds Pro 2 driver unit is 11mm in diameter,
making them have a larger driver unit than that of Devialet Gemini 2 by 1mm
, 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 yeah, larger drivers can generate louder sound, but this does not indicate that they produce better quality sound.
Lowest Frequency
OnePlus Buds Pro 2
10Hz
Devialet Gemini 2 5Hz
Devialet Gemini 2's lowest frequency is at 5Hz, low-frequency response inidcates how well an audio component generates low recognizable frequencies and if it makes any changes to the signal on its way through.
OnePlus Buds Pro 2's lowest frequency is at 10Hz, this implies that
Devialet Gemini 2 can make sound with a juicier bass than the OnePlus Buds Pro 2
Highest Frequency
OnePlus Buds Pro 2
40,000Hz
Devialet Gemini 2 20,000Hz
Devialet Gemini 2's highest frequency is at 20,000Hz, high-frequency response indicates how well a particular audio device generates high human frequencies and if it makes any adjustments to the signal while at it.
OnePlus Buds Pro 2's highest frequency is at 40,000Hz, this implies that
OnePlus Buds Pro 2 can produce a clearer and crispier treble than the Devialet Gemini 2
Sound Pressure Level
OnePlus Buds Pro 2
97dB/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.
OnePlus Buds Pro 2's sound pressure level measurement is 97dB/mW. How loud a device is can be perceived differently by separate persons, so we need to have a way of getting an objective measurement of sound level expressed in numerical terms.
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