Has Active Noise Cancellation (Noise Control)
Sony WF 1000XM4
✓
Powerbeats Pro ✗
Active noise cancellation uses more advanced technology to actively counter noise. How it works, it studies the sound pattern outside and inside the earbud and generates a mirror signal to cancel it out. Simply put, it's like having +1 (sound from your surrounding) then adding -1 (counter sound by the device) giving zero hence "diluting" the noise.
Sony WF 1000XM4 have ANC allowing you to listen at lower levels of volume, causing less ear fatigue since you don't have to crank up the earbuds volume to overcome background noise.
Has Passive Noise Reduction
Sony WF 1000XM4
✓
Powerbeats Pro ✓
Powerbeats Pro sit tightly in place, this creates a sound seal that tones down your environment sounds and also prevents the earbuds sound from leaking out .
Both of these devices have passive noise reduction which implies that both limit ambient noise instead of actively using ANC to cancel it out.
Driver Unit Size
Sony WF 1000XM4
6mm
Powerbeats Pro 12mm
Powerbeats Pro driver unit is 12mm in diameter, the bigger the unit the more powerful, and can produce better bass.
The driver unit is basically a mini speaker that makes sound in the earbuds, its size determines the loudness of the earbuds.
Sony WF 1000XM4 driver unit is 6mm in diameter,
which implies that they have a smaller driver unit than that of Powerbeats Pro by 6mm
, 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 mean that they produce better quality sound.
Lowest Frequency
Sony WF 1000XM4
20Hz
Powerbeats Pro 10Hz
Powerbeats Pro'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.
Sony WF 1000XM4's lowest frequency is at 20Hz, this means that
Powerbeats Pro can make sound with a juicier bass than the Sony WF 1000XM4
Highest Frequency
Sony WF 1000XM4
40000Hz
Powerbeats Pro ✗
Sony WF 1000XM4's highest frequency is at 40000Hz, high-frequency response indicates how well an audio component makes high audible frequencies and if it adjustments to the signal while at it.
Sound Pressure Level
Sony WF 1000XM4
105dB/mW
Powerbeats Pro ✗
The sound pressure level, is the pressure level of sound, in decibels, dB, Sony WF 1000XM4's measurement is 105dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
Has A Neodymium Magnet
Sony WF 1000XM4
✓
Powerbeats Pro ✗
Sony WF 1000XM4 have neodymium magnets, when used in audio devices produce a higher sensitivity and substantial sound output while using less power. They can help produce music at quite a high sound pressure level, with the use of high magnetic flux.
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