Has Active Noise Cancellation (Noise Control)
Samsung Galaxy Buds 2 Pro
✓
Xiaomi Redmi Buds 4 Pro ✓
ANC uses advanced technology to reduce unwanted ambient sounds. ANC works when, it listens to the sound pattern outside and inside the earbud and after generates a mirror signal to cancel it out. In simple terms, it's like taking +1 (sound from your surrounding) and adding -1 (counter sound by the device) giving 0 thus "diluting" the noise.
The Samsung Galaxy Buds 2 Pro have Active Noise Cancellation enabling you to listen at lower levels of volume, good for your ears as you don't have to crank up the device volume to overcome background sounds.
Xiaomi Redmi Buds 4 Pro too have ANC which makes both earbuds ideal for plane rides and rush hour commutes. Each work with different noise cancellation modes, pick the noise cancellation type that suits your travel or that enhances your relaxation time.
Has Passive Noise Reduction
Samsung Galaxy Buds 2 Pro
✓
Xiaomi Redmi Buds 4 Pro ✓
Samsung Galaxy Buds 2 Pro stay tightly in place, creating an acoustic seal that tones down your environment noise and also prevents the device voice audio from leaking out at the same.
Both Xiaomi Redmi Buds 4 Pro, and Samsung Galaxy Buds 2 Pro have passive noise reduction this implies that both limit ambient noise instead of actively using technology to cancel it out.
Driver Unit Size
Samsung Galaxy Buds 2 Pro
10mm
Xiaomi Redmi Buds 4 Pro 11mm
The Samsung Galaxy Buds 2 Pro have a unit size of 10mm in diameter, bigger drivers are more powerful, therefor producing better bass.
The driver unit is the component that produces sound in the earbuds, the unit size dictates the loudness of the device.
Xiaomi Redmi Buds 4 Pro driver unit is 11mm in diameter,
making them have a larger driver unit than that of Samsung Galaxy Buds 2 Pro by 1mm
, 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 yeah, larger drivers are capable of generating louder sound, but this does not imply that they produce better quality sound.
Lowest Frequency
Samsung Galaxy Buds 2 Pro
20Hz
Xiaomi Redmi Buds 4 Pro 20Hz
Samsung Galaxy Buds 2 Pro's lowest frequency is at 20Hz, low-frequency response inidcates how well an audio component produces low frequencies that can be heard, and if it makes any changes to the signal while at it.
Xiaomi Redmi Buds 4 Pro's lowest frequency is at 20Hz, this implies that
both devices can make sound with equal bass
Highest Frequency
Samsung Galaxy Buds 2 Pro
20000Hz
Xiaomi Redmi Buds 4 Pro 40000Hz
The Samsung Galaxy Buds 2 Pro's highest frequency is at 20000Hz, high-frequency response indicates how well a particular audio device makes high recognizable frequencies and if it makes any adjustments to the signal while at it.
Xiaomi Redmi Buds 4 Pro's highest frequency is at 40000Hz, this means that
Xiaomi Redmi Buds 4 Pro can produce a clearer and crispier treble than the Samsung Galaxy Buds 2 Pro
Sound Pressure Level
Samsung Galaxy Buds 2 Pro
25dB/mW
Xiaomi Redmi Buds 4 Pro ✗
SPL, is the level of pressure of sound, in decibels, dB, Samsung Galaxy Buds 2 Pro's measurement is 25dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
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