Has Active Noise Cancellation (Noise Control)
Xiaomi Redmi Buds 4 Pro
✓
Urbanista Copenhagen ✗
ANC uses advanced technology to reduce unwanted ambient sounds. How it works, it studies the sound pattern of incoming noise and generates a mirror signal to cancel it out. Simply put, it's like taking +1 (noise) then producing -1 (inverted noise) giving zero resulting in a reduced level of noise.
The Xiaomi Redmi Buds 4 Pro have Active Noise Cancellation allowing you to listen at lower levels of volume, good for your ears as you don't need to crank up the device volume to overcome background sounds.
Has Passive Noise Reduction
Xiaomi Redmi Buds 4 Pro
✓
Urbanista Copenhagen ✗
The Xiaomi Redmi Buds 4 Pro sit tightly in place, this creates a sound seal that tones down your environment noise and also prevents the earbuds music from leaking out at the same.
Driver Unit Size
Xiaomi Redmi Buds 4 Pro
11mm
Urbanista Copenhagen 12mm
Xiaomi Redmi Buds 4 Pro have a unit size of 11mm in diameter, bigger drivers are more powerful, therefor producing better bass.
The driver unit is the component that produces sound in the earbuds, the unit size corellates with the sound produced by the earbuds.
Urbanista Copenhagen driver unit is 12mm in diameter,
making them have a larger driver unit than that of Xiaomi Redmi Buds 4 Pro by 1mm
, 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 it's true that, larger drivers can generate louder sound, but this does not imply that they deliver better quality sound.
Lowest Frequency
Xiaomi Redmi Buds 4 Pro
20Hz
Urbanista Copenhagen 20Hz
Xiaomi Redmi Buds 4 Pro's lowest frequency is at 20Hz, low-frequency response measures if and how well a particular audio component generates low frequencies that can be heard, and if it alters the signal on its way through.
Urbanista Copenhagen's lowest frequency is at 20Hz, this implies that
both devices can produce equal bass
Highest Frequency
Xiaomi Redmi Buds 4 Pro
40000Hz
Urbanista Copenhagen 20000Hz
The Xiaomi Redmi Buds 4 Pro's highest frequency is at 40000Hz, high-frequency response measures if and how well a particular audio device makes high audible frequencies and if it makes any changes to the signal while at it.
Urbanista Copenhagen's highest frequency is at 20000Hz, this implies that
Xiaomi Redmi Buds 4 Pro generate a clearer and crispier treble than the Urbanista Copenhagen
Sound Pressure Level
Xiaomi Redmi Buds 4 Pro
✗
Urbanista Copenhagen 115dB/mW
SPL, is the pressure level of sound, measured in decibels, dB, Urbanista Copenhagen's measurement is 115dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
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