Has Active Noise Cancellation (Noise Control)
Bose QuietComfort Earbuds 2
✓
JBL Live Free 2 ✓
Active noise cancellation uses more advanced kind of tech to actively cancel noise. ANC works when, it studies the sound pattern outside and inside the earbud and then generates a mirror signal to cancel it out. In simple terms, it's like taking +1 (sound from your surrounding) then adding -1 (counter sound by the device) to make zero resulting in a reduced level of noise.
The Bose QuietComfort Earbuds 2 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 overcome background sounds.
JBL Live Free 2 too have ANC making either of the devices ideal for flights and rush hour travels. The Bose QuietComfort Earbuds 2 and JBL Live Free 2 operate with different noise cancellation settings, pick the mode that you prefer for travel or that enhances your chill time.
Has Passive Noise Reduction
Bose QuietComfort Earbuds 2
✓
JBL Live Free 2 ✓
The Bose QuietComfort Earbuds 2 sit tightly in place, this creates a sound seal that reduces background sounds and also prevents the device voice audio from leaking out .
Both of these devices have passive noise reduction this implies that both limit ambient noise without using ANC to cancel it out.
Driver Unit Size
Bose QuietComfort Earbuds 2
9.3mm
JBL Live Free 2 11mm
Bose QuietComfort Earbuds 2 driver unit is 9.3mm in diameter, the bigger the unit the more powerful, and can produce better bass.
A driver unit is basically a mini speaker that makes sound in the earbuds, its size corellates with the loudness of the device.
JBL Live Free 2 driver unit is 11mm in diameter,
making them have a larger driver unit than that of Bose QuietComfort Earbuds 2 by 1.7mm
, 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 yeah, larger drivers can generate louder sound, but this does not indicate that they deliver better quality sound.
Lowest Frequency
Bose QuietComfort Earbuds 2
20Hz
JBL Live Free 2 20Hz
Bose QuietComfort Earbuds 2's lowest frequency is at 20Hz, low-frequency response inidcates how well a particular audio device generates low audible frequencies and if it alters the signal on its way through.
JBL Live Free 2's lowest frequency is at 20Hz, this implies that
both devices can produce equal bass
Highest Frequency
Bose QuietComfort Earbuds 2
20,000Hz
JBL Live Free 2 20,000Hz
The Bose QuietComfort Earbuds 2's highest frequency is at 20,000Hz, high-frequency response measures if and how well a particular audio device produces high recognizable frequencies and if it makes any adjustments to the signal while at it.
JBL Live Free 2's highest frequency is at 20,000Hz, this means that
both devices generate equal treble
Sound Pressure Level
Bose QuietComfort Earbuds 2
✗
JBL Live Free 2 102dB/mW
SPL, is the pressure level of sound, measured in decibels, dB, JBL Live Free 2's measurement is 102dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
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