Has Active Noise Cancellation (Noise Control)
Devialet Gemini 2
✓
JBL Tour Pro 2 ✓
ANC uses more advanced technology to actively counter noise. How it works, it detects and analyzes 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 (noise) and adding -1 (counter sound by the device) giving zero therefore "diluting" the noise.
Devialet Gemini 2 have Active Noise Cancellation allowing you to listen at lower levels of volume, causing less ear fatigue as you don't need to crank up the earbuds volume to outcompete background sounds.
The JBL Tour Pro 2 too have Active Noise Cancellation making either of the earbuds ideal for plane rides and morning commutes. Each operate with different noise cancellation settings, pick the noise cancellation type that you prefer for travel or that suites your relaxation time.
Has Passive Noise Reduction
Devialet Gemini 2
✓
JBL Tour Pro 2 ✓
Devialet Gemini 2 stay tightly in place, creating an acoustic covering that reduces your environment noise and also prevents the device sound from leaking out .
Both JBL Tour Pro 2, and Devialet Gemini 2 have passive noise reduction this implies that both reduce ambient noise instead of actively using technology to cancel it out.
Driver Unit Size
Devialet Gemini 2
10mm
JBL Tour Pro 2 10mm
Devialet Gemini 2 driver unit is 10mm in diameter, the bigger the unit the more powerful, therefor producing better bass.
The driver unit is the component that produces sound in the device, its size corellates with the sound made by the device.
JBL Tour Pro 2 driver unit is 10mm in diameter,
making both devices similar in how loud their sound gets
, 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 deliver better quality sound.
Lowest Frequency
Devialet Gemini 2
5Hz
JBL Tour Pro 2 20Hz
Devialet Gemini 2'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 on its way through.
JBL Tour Pro 2's lowest frequency is at 20Hz, this implies that
Devialet Gemini 2 make sound with a juicier bass than the JBL Tour Pro 2
Highest Frequency
Devialet Gemini 2
20,000Hz
JBL Tour Pro 2 20,000Hz
Devialet Gemini 2's highest frequency is at 20,000Hz, high-frequency response shows how well an audio component generates high human frequencies and if it makes any changes to the signal on its way through.
JBL Tour Pro 2's highest frequency is at 20,000Hz, this means that
both devices produce equal treble
Sound Pressure Level
Devialet Gemini 2
120dB/mW
JBL Tour Pro 2 ✗
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.
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