Has Active Noise Cancellation (Noise Control)
Devialet Gemini 2
✓
JBL Live Free 2 ✓
ANC utilises more advanced kind of tech to actively cancel noise. ANC works when, it listens to the sound pattern outside and inside the earbud and after generates a mirror signal to counter it. In simple terms, it's like taking +1 (sound from your surrounding) then adding -1 (inverted noise) giving zero thus "diluting" the noise.
Devialet Gemini 2 have Active Noise Cancellation allowing you to listen at lower levels of volume, causing less ear fatigue since you don't need to crank up the device volume to overcome background sounds.
The JBL Live Free 2 too have Active Noise Cancellation which makes both devices ideal for plane rides and rush hour travels. Each operate with different noise cancellation modes, pick the setting that you prefer for travel or that suites your relaxation time.
Has Passive Noise Reduction
Devialet Gemini 2
✓
JBL Live Free 2 ✓
The Devialet Gemini 2 sit tightly in place, creating a sound covering that tones down background noise and also prevents the device sound from leaking out .
Both of these devices have passive noise reduction which means that they reduce ambient noise without using technology to cancel it out.
Driver Unit Size
Devialet Gemini 2
10mm
JBL Live Free 2 11mm
The Devialet Gemini 2 have a unit size of 10mm in diameter, bigger drivers are more powerful, and can produce better bass.
The driver unit is the component that produces sound in the device, the unit size corellates with the sound produced by the earbuds.
JBL Live Free 2 driver unit is 11mm in diameter,
making them have a larger driver unit than that of Devialet Gemini 2 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 imply that they deliver better quality sound.
Lowest Frequency
Devialet Gemini 2
5Hz
JBL Live Free 2 20Hz
Devialet Gemini 2's lowest frequency is at 5Hz, low-frequency response inidcates how well an audio device produces low frequencies that can be heard, and if it alters the signal on its way through.
JBL Live Free 2's lowest frequency is at 20Hz, this means that
Devialet Gemini 2 can make sound with a juicier bass than the JBL Live Free 2
Highest Frequency
Devialet Gemini 2
20,000Hz
JBL Live Free 2 20,000Hz
Devialet Gemini 2's highest frequency is at 20,000Hz, high-frequency response shows how well a particular audio component makes high human frequencies and if it makes any changes to the signal while at it.
JBL Live Free 2's highest frequency is at 20,000Hz, this means that
both devices can produce equal treble
Sound Pressure Level
Devialet Gemini 2
120dB/mW
JBL Live Free 2 102dB/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.
JBL Live Free 2's sound pressure level measurement is 102dB/mW. How loud something is can be taken differently by different persons, so we need to have a way of getting a standard measurement of sound level expressed in numerical terms.
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