Has Active Noise Cancellation (Noise Control)
Sony WF 1000XM4
✓
JLab Go Air ✗
Active noise cancellation utilises more advanced kind of tech to reduce unwanted ambient sounds. ANC works when, it detects and analyzes the sound pattern of incoming noise and inverts the soundwaves to cancel it out. In simple terms, it's like having +1 (noise) and adding -1 (inverted noise) giving zero thus "diluting" the noise.
Sony WF 1000XM4 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 overcome background noise.
Has Passive Noise Reduction
Sony WF 1000XM4
✓
JLab Go Air ✓
The JLab Go Air stay well in place, creating a sound covering that reduces your environment noise while preventing the earbuds voice audio from leaking out at the same.
Both of these devices have passive noise reduction which means that they limit ambient noise without using ANC to cancel it out.
Driver Unit Size
Sony WF 1000XM4
6mm
JLab Go Air 8mm
The JLab Go Air have a unit size of 8mm in diameter, bigger drivers are more powerful, and can produce better bass.
The driver unit is basically a mini speaker that makes sound in the earbuds, its size corellates with the loudness of the earbuds.
Sony WF 1000XM4 driver unit is 6mm in diameter,
which implies that they have a smaller driver unit than that of JLab Go Air by 2mm
, a common assumption 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 imply that they produce better quality sound.
Lowest Frequency
Sony WF 1000XM4
20Hz
JLab Go Air 20Hz
JLab Go Air's lowest frequency is at 20Hz, low-frequency response inidcates how well a particular audio device generates low frequencies that can be heard, and if it makes any changes to the signal on its way through.
Sony WF 1000XM4's lowest frequency is at 20Hz, this means that
both devices make sound with equal bass
Highest Frequency
Sony WF 1000XM4
40,000Hz
JLab Go Air 20,000Hz
JLab Go Air's highest frequency is at 20,000Hz, high-frequency response measures if and how well a particular audio component makes high human frequencies and if it changes to the signal on its way through.
Sony WF 1000XM4's highest frequency is at 40,000Hz, this means that
Sony WF 1000XM4 can produce a clearer and crispier treble than the JLab Go Air
Sound Pressure Level
Sony WF 1000XM4
105dB/mW
JLab Go Air 103dB/mW
The sound pressure level, is the level of pressure of sound, in decibels, dB, JLab Go Air's measurement is 103dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
Sony WF 1000XM4's sound pressure level measurement is 105dB/mW. The sound pressure level, something is can be considered differently by separate persons, so we need to have a way of getting a standard measurement of sound level expressed in numerical terms.
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