Has Active Noise Cancellation (Noise Control)
OnePlus Buds Pro 2
✓
Xiaomi Redmi Buds 4 Pro ✓
ANC uses advanced technology to actively cancel noise. ANC works when, it listens to the sound pattern of incoming noise and generates a mirror signal to cancel it out. In simple terms, it's like having +1 (noise) and adding -1 (counter sound by the device) giving 0 thus "diluting" the noise.
OnePlus Buds Pro 2 have ANC allowing you to listen at lower levels of volume, causing less ear fatigue as you don't have to crank up the device volume to outcompete background noise.
The Xiaomi Redmi Buds 4 Pro too have Active Noise Cancellation making either of the devices ideal for flights and rush hour travels. The OnePlus Buds Pro 2 and Xiaomi Redmi Buds 4 Pro work with different noise cancellation types, pick the setting that you prefer for travel or that suites your chill time.
Has Passive Noise Reduction
OnePlus Buds Pro 2
✓
Xiaomi Redmi Buds 4 Pro ✓
OnePlus Buds Pro 2 sit well in place, creating an acoustic covering that tones down your environment noise and also prevents the device music from leaking out at the same.
Both Xiaomi Redmi Buds 4 Pro, and OnePlus Buds Pro 2 have passive noise reduction this implies that they tone down ambient noise instead of actively using ANC to cancel it out.
Driver Unit Size
OnePlus Buds Pro 2
11mm
Xiaomi Redmi Buds 4 Pro 11mm
OnePlus Buds Pro 2 have a unit size of 11mm in diameter, bigger drivers are more powerful, therefor producing better bass.
The driver unit is basically a mini speaker that makes sound in the device, its size determines the sound produced by the earbuds.
Xiaomi Redmi Buds 4 Pro driver unit is 11mm in diameter,
making both devices similar in how loud their sound gets
, 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 yes, larger drivers can generate louder sound, but this does not mean that they produce better quality sound.
Lowest Frequency
OnePlus Buds Pro 2
10hz
Xiaomi Redmi Buds 4 Pro 20hz
The OnePlus Buds Pro 2's lowest frequency is at 10Hz, low-frequency response inidcates how well a particular audio component generates low recognizable frequencies and if it alters the signal while at it.
Xiaomi Redmi Buds 4 Pro's lowest frequency is at 20Hz, this implies that
OnePlus Buds Pro 2 can produce a juicier bass than the Xiaomi Redmi Buds 4 Pro
Highest Frequency
OnePlus Buds Pro 2
40,000hz
Xiaomi Redmi Buds 4 Pro 40,000hz
OnePlus Buds Pro 2's highest frequency is at 40,000Hz, high-frequency response indicates how well a particular audio device generates high recognizable frequencies and if it changes to the signal while at it.
Xiaomi Redmi Buds 4 Pro's highest frequency is at 40,000Hz, this implies that
both devices can generate equal treble
Sound Pressure Level
OnePlus Buds Pro 2
97db/mw
Xiaomi Redmi Buds 4 Pro ✗
SPL, is the pressure level of sound, measured in decibels, dB, OnePlus Buds Pro 2's measurement is 97dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
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