Has Active Noise Cancellation (Noise Control)
Xiaomi Redmi Buds 4 Pro
✓
Bang & Olufsen Beoplay EX ✓
ANC makes use of more advanced technology to actively cancel noise. How it works, it studies the sound pattern of incoming noise and inverts the soundwaves to counter it. In simple terms, it's like taking +1 (noise) and producing -1 (counter sound by the device) giving zero resulting in a reduced level of noise.
Bang & Olufsen Beoplay EX have ANC enabling you to listen at lower levels of volume, good for your ears since you don't have to crank up the earbuds volume to overcome background noise.
The Xiaomi Redmi Buds 4 Pro too have Active Noise Cancellation making either of the devices ideal for plane rides and morning travels. The Bang & Olufsen Beoplay EX and Xiaomi Redmi Buds 4 Pro work with different noise cancellation modes, pick the noise cancellation type that you prefer for commute or that suites your chill time.
Has Passive Noise Reduction
Xiaomi Redmi Buds 4 Pro
✓
Bang & Olufsen Beoplay EX ✓
The Bang & Olufsen Beoplay EX stay well in place, this creates a sound seal that reduces background sounds well as preventing the earbuds music from leaking out .
Both of these devices have passive noise reduction this means that they tone down ambient noise without using ANC to cancel it out.
Driver Unit Size
Xiaomi Redmi Buds 4 Pro
11mm
Bang & Olufsen Beoplay EX 9.2mm
Bang & Olufsen Beoplay EX have a unit size of 9.2mm 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 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 Bang & Olufsen Beoplay EX by 1.8mm
, a common assumption 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 imply that they deliver better quality sound.
Lowest Frequency
Xiaomi Redmi Buds 4 Pro
20Hz
Bang & Olufsen Beoplay EX 20Hz
The Bang & Olufsen Beoplay EX's lowest frequency is at 20Hz, 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 means that
both devices can produce equal bass
Highest Frequency
Xiaomi Redmi Buds 4 Pro
40000Hz
Bang & Olufsen Beoplay EX 20000Hz
The Bang & Olufsen Beoplay EX's highest frequency is at 20000Hz, high-frequency response shows how well an audio device makes high human frequencies and if it changes 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 Bang & Olufsen Beoplay EX
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