Has Active Noise Cancellation (Noise Control)
Xiaomi Redmi Buds 4 Pro
✓
Bowers & Wilkins PI7 ✓
ANC utilises more advanced kind of tech to actively cancel noise. How it works, it studies the sound pattern outside and inside the earbud and after inverts the soundwaves to counter it. Simply put, it's like taking +1 (noise) and adding -1 (counter sound by the device) to make 0 resulting in a reduced level of noise.
The Xiaomi Redmi Buds 4 Pro have Active Noise Cancellation allowing you to listen at lower volume levels, good for your ears as you don't have to crank up the earbuds volume to outcompete background sounds.
The Bowers & Wilkins PI7 too have Active Noise Cancellation which makes both earbuds ideal for flights and morning travels. The Xiaomi Redmi Buds 4 Pro and Bowers & Wilkins PI7 work with different noise cancellation modes, pick the setting that you prefer for commute or that suites your relaxation time.
Has Passive Noise Reduction
Xiaomi Redmi Buds 4 Pro
✓
Bowers & Wilkins PI7 ✓
The Xiaomi Redmi Buds 4 Pro stay tightly in place, this creates an acoustic covering that reduces background noise while preventing the earbuds music from leaking out at the same.
Both Bowers & Wilkins PI7, and Xiaomi Redmi Buds 4 Pro have passive noise reduction this implies that both limit ambient noise instead of actively using technology to cancel it out.
Driver Unit Size
Xiaomi Redmi Buds 4 Pro
11mm
Bowers & Wilkins PI7 9.2mm
Xiaomi Redmi Buds 4 Pro have a unit size of 11mm in diameter, bigger drivers are more powerful, therefor producing better bass.
A driver unit is the component that produces sound in the device, the unit size determines the sound produced by the earbuds.
Bowers & Wilkins PI7 driver unit is 9.2mm in diameter,
which implies that they have a smaller driver unit than that of Xiaomi Redmi Buds 4 Pro by 1.8mm
, many people have a misconception 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 indicate that they produce better quality sound.
Lowest Frequency
Xiaomi Redmi Buds 4 Pro
20Hz
Bowers & Wilkins PI7 10Hz
The Xiaomi Redmi Buds 4 Pro's lowest frequency is at 20Hz, low-frequency response inidcates how well an audio component generates low frequencies that can be heard, and if it makes any changes to the signal while at it.
Bowers & Wilkins PI7's lowest frequency is at 10Hz, this means that
Bowers & Wilkins PI7 can produce a juicier bass than the Xiaomi Redmi Buds 4 Pro
Highest Frequency
Xiaomi Redmi Buds 4 Pro
40000Hz
Bowers & Wilkins PI7 20000Hz
The Xiaomi Redmi Buds 4 Pro's highest frequency is at 40000Hz, high-frequency response measures if and how well an audio component generates high recognizable frequencies and if it changes to the signal on its way through.
Bowers & Wilkins PI7's highest frequency is at 20000Hz, this means that
Xiaomi Redmi Buds 4 Pro can generate a clearer and crispier treble than the Bowers & Wilkins PI7
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