Has Active Noise Cancellation (Noise Control)
OnePlus Buds Pro 2
✓
Xiaomi Redmi Buds 4 Pro ✓
ANC uses advanced kind of tech to reduce ambient sounds. ANC works when, it studies the sound pattern outside and inside the earbud and then generates a mirror signal to cancel it out. Simply put, it's like taking +1 (sound from your surrounding) and producing -1 (inverted noise) giving 0 thus "diluting" the noise.
OnePlus Buds Pro 2 have ANC allowing you to listen at lower volume levels, good for your ears since you don't have to crank up the device volume to overcome background sounds.
The Xiaomi Redmi Buds 4 Pro too have ANC which makes either of the devices ideal for flights and morning travels. Each work with different noise cancellation modes, pick the setting that suits your commute 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 seal that reduces background sounds and also prevents the device sound from leaking out at the same.
Both Xiaomi Redmi Buds 4 Pro, and OnePlus Buds Pro 2 have passive noise reduction this implies that both 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, and can produce better bass.
The driver unit is the component that makes sound in the device, the unit size determines the loudness of 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 usually have difficulty producing high frequencies so yeah, larger drivers are capable of generating louder sound, but this does not mean that they deliver 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 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
OnePlus Buds Pro 2 make sound with a juicier bass than the Xiaomi Redmi Buds 4 Pro
Highest Frequency
OnePlus Buds Pro 2
40000Hz
Xiaomi Redmi Buds 4 Pro 40000Hz
The OnePlus Buds Pro 2's highest frequency is at 40000Hz, high-frequency response indicates how well a particular audio component produces high audible frequencies and if it adjustments to the signal on its way through.
Xiaomi Redmi Buds 4 Pro's highest frequency is at 40000Hz, this means that
both devices can generate equal treble
Sound Pressure Level
OnePlus Buds Pro 2
97dB/mW
Xiaomi Redmi Buds 4 Pro ✗
The sound pressure level, is the pressure level of sound, 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.
A Review By Comparison Of The Huawei Freebuds Pro 2 Vs. Oneplus Buds Pro 2
A Review By Comparison Of The Oneplus Buds Pro 2 Vs. Jbl Wave Buds