Has Active Noise Cancellation (Noise Control)
JBL LIVE 300
✗
JBL Live Free 2 ✓
Active noise cancellation utilises more advanced kind of tech to actively counter noise. ANC works when, it studies the sound pattern outside and inside the earbud and inverts the soundwaves to cancel it out. Simply put, it's like taking +1 (sound from your surrounding) then producing -1 (inverted noise) giving 0 which results in a reduced level of noise.
JBL Live Free 2 have Active Noise Cancellation allowing you to listen at lower volume levels, good for your ears since you don't need to crank up the earbuds volume to overcome background noise.
Has Passive Noise Reduction
JBL LIVE 300
✓
JBL Live Free 2 ✓
JBL LIVE 300 sit well in place, creating an acoustic covering that reduces background sounds and also prevents the earbuds sound from leaking out at the same.
Both JBL Live Free 2, and JBL LIVE 300 have passive noise reduction which implies that both limit ambient noise instead of actively using technology to cancel it out.
Driver Unit Size
JBL LIVE 300
5.8mm
JBL Live Free 2 11mm
The JBL LIVE 300 have a unit size of 5.8mm in diameter, the bigger the unit the more powerful, therefor producing better bass.
A driver unit is basically a mini speaker that makes sound in the earbuds, its size corellates with the sound made by the earbuds.
JBL Live Free 2 driver unit is 11mm in diameter,
making them have a larger driver unit than that of JBL LIVE 300 by 5.2mm
, many people have a misconception that driver units of a bigger size automatically produce better sound quality.
However, large drivers find it difficult to produce high frequencies so yes, larger drivers are capable of generating louder sound, but this does not mean that they produce better quality sound.
Lowest Frequency
JBL LIVE 300
20Hz
JBL Live Free 2 20Hz
The JBL LIVE 300's lowest frequency is at 20Hz, low-frequency response measures if and how well an audio component generates low recognizable frequencies and if it makes any changes to the signal while at it.
JBL Live Free 2's lowest frequency is at 20Hz, this implies that
both devices make sound with equal bass
Highest Frequency
JBL LIVE 300
20000Hz
JBL Live Free 2 20000Hz
JBL LIVE 300's highest frequency is at 20000Hz, high-frequency response measures if and how well a particular audio device produces high audible frequencies and if it makes any changes to the signal while at it.
JBL Live Free 2's highest frequency is at 20000Hz, this means that
both devices can produce equal treble
Sound Pressure Level
JBL LIVE 300
95dB/mW
JBL Live Free 2 102dB/mW
SPL, is the pressure level of sound, in decibels, dB, JBL LIVE 300's measurement is 95dB/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. The sound pressure level, something is can be considered differently by different people, so we need to have the means to get an objective measurement of sound level expressed in numerical terms.
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