Has Active Noise Cancellation (Noise Control)
Xiaomi Redmi Buds 4 Pro
✓
JBL Live Free 2 ✓
ANC uses advanced kind of tech to actively cancel noise. How it works, it studies the sound pattern of incoming noise and inverts the soundwaves to cancel it out. In simple terms, it's like taking +1 (sound from your surrounding) and adding -1 (inverted noise) giving zero resulting in a reduced level of noise.
Xiaomi Redmi Buds 4 Pro have ANC enabling 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 sounds.
The JBL Live Free 2 too have Active Noise Cancellation which makes either of the earbuds ideal for plane rides and rush hour travels. The Xiaomi Redmi Buds 4 Pro and JBL Live Free 2 operate with different noise cancellation types, pick the setting that suits your travel or that suites your chill time.
Has Passive Noise Reduction
Xiaomi Redmi Buds 4 Pro
✓
JBL Live Free 2 ✓
The Xiaomi Redmi Buds 4 Pro sit tightly in place, this creates a sound seal that tones down background noise while preventing the device voice audio from leaking out at the same.
Both of these devices have passive noise reduction which means that they limit ambient noise instead of actively using technology to cancel it out.
Driver Unit Size
Xiaomi Redmi Buds 4 Pro
11mm
JBL Live Free 2 11mm
Xiaomi Redmi Buds 4 Pro have a unit size of 11mm 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 earbuds.
JBL Live Free 2 driver unit is 11mm in diameter,
making both JBL Live Free 2, and Xiaomi Redmi Buds 4 Pro similar in how loud their sound can get
, as many tend to believe that driver units of a bigger size automatically produce better sound quality.
However, large drivers usually have difficulty producing high frequencies so yeah, larger drivers can generate louder sound, but this does not imply that they produce better quality sound.
Lowest Frequency
Xiaomi Redmi Buds 4 Pro
20Hz
JBL Live Free 2 20Hz
The Xiaomi Redmi Buds 4 Pro's lowest frequency is at 20Hz, low-frequency response measures if and how well an audio component 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 implies that
both devices produce equal bass
Highest Frequency
Xiaomi Redmi Buds 4 Pro
40000Hz
JBL Live Free 2 20000Hz
The Xiaomi Redmi Buds 4 Pro's highest frequency is at 40000Hz, high-frequency response measures if and how well an audio device generates high recognizable frequencies and if it adjustments to the signal on its way through.
JBL Live Free 2's highest frequency is at 20000Hz, this means that
Xiaomi Redmi Buds 4 Pro can generate a clearer and crispier treble than the JBL Live Free 2
Sound Pressure Level
Xiaomi Redmi Buds 4 Pro
✗
JBL Live Free 2 102dB/mW
The sound pressure level, is the level of pressure 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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