Has Active Noise Cancellation (Noise Control)
Xiaomi Redmi Buds 4 Pro
✓
Sony WF 1000XM3 ✓
ANC makes use of more advanced technology to actively cancel noise. ANC works when, it detects and analyzes the sound pattern of incoming noise and generates a mirror signal to cancel it out. In simple terms, it's like taking +1 (noise) then producing -1 (inverted noise) giving 0 therefore "diluting" the noise.
Sony WF 1000XM3 have Active Noise Cancellation allowing you to listen at lower volume levels, causing less ear fatigue 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 earbuds ideal for flights and morning travels. Each work with different noise cancellation settings, pick the noise cancellation type that you prefer for commute or that suites your relaxation time.
Has Passive Noise Reduction
Xiaomi Redmi Buds 4 Pro
✓
Sony WF 1000XM3 ✓
Sony WF 1000XM3 sit well in place, this creates an acoustic covering that reduces background noise while preventing the earbuds voice audio from leaking out .
Both of these devices have passive noise reduction this means that both limit ambient noise without using ANC to cancel it out.
Driver Unit Size
Xiaomi Redmi Buds 4 Pro
11mm
Sony WF 1000XM3 6mm
Sony WF 1000XM3 driver unit is 6mm in diameter, the bigger the unit the more powerful, therefor producing better bass.
The driver unit is basically a mini speaker that makes sound in the earbuds, its size determines the loudness of the earbuds.
Xiaomi Redmi Buds 4 Pro driver unit is 11mm in diameter,
making them have a larger driver unit than that of Sony WF 1000XM3 by 5mm
, 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 yes, larger drivers are capable of generating louder sound, but this does not mean that they deliver better quality sound.
Lowest Frequency
Xiaomi Redmi Buds 4 Pro
20Hz
Sony WF 1000XM3 20Hz
Sony WF 1000XM3's lowest frequency is at 20Hz, low-frequency response inidcates how well a particular audio device produces low audible frequencies and if it alters the signal on its way through.
Xiaomi Redmi Buds 4 Pro's lowest frequency is at 20Hz, this implies that
both devices can make sound with equal bass
Highest Frequency
Xiaomi Redmi Buds 4 Pro
40000Hz
Sony WF 1000XM3 20000Hz
The Sony WF 1000XM3's highest frequency is at 20000Hz, high-frequency response shows how well an audio device generates high human frequencies and if it makes any changes to the signal on its way through.
Xiaomi Redmi Buds 4 Pro's highest frequency is at 40000Hz, this implies that
Xiaomi Redmi Buds 4 Pro produce a clearer and crispier treble than the Sony WF 1000XM3
Has A Neodymium Magnet
Xiaomi Redmi Buds 4 Pro
✗
Sony WF 1000XM3 ✓
Sony WF 1000XM3 have neodymium magnets, if used in audio devices produce a higher sensitivity and substantial sound output while using less power. They can help generate music at quite a high SPL, using high magnetic flux.
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