Has Active Noise Cancellation (Noise Control)
Sony WF 1000XM4
✓
Powerbeats Pro ✗
ANC uses more advanced technology to actively cancel noise. ANC works when, it studies the sound pattern outside and inside the earbud and inverts the soundwaves to counter it. Simply put, it's like having +1 (sound from your surrounding) then producing -1 (inverted noise) giving zero resulting in a reduced level of noise.
Sony WF 1000XM4 have ANC enabling you to listen at lower levels of volume, good for your ears as you don't need to crank up the earbuds volume to outcompete background sounds.
Has Passive Noise Reduction
Sony WF 1000XM4
✓
Powerbeats Pro ✓
Powerbeats Pro stay well in place, creating a sound seal that tones down background noise well as preventing the earbuds voice audio from leaking out at the same.
Both of these devices have passive noise reduction this means that both tone down ambient noise without using technology 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, therefor producing better bass.
The driver unit is basically a mini speaker that makes sound in the device, its size corellates with the loudness of the device.
Sony WF 1000XM4 driver unit is 6mm in diameter,
which means that they have a smaller driver unit than that of Powerbeats Pro by 6mm
, as many tend to believe 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 deliver better quality sound.
Lowest Frequency
Sony WF 1000XM4
20Hz
Powerbeats Pro 10Hz
The Powerbeats Pro's lowest frequency is at 10Hz, low-frequency response measures if and how well a particular audio device generates low audible frequencies and if it alters the signal while at it.
Sony WF 1000XM4's lowest frequency is at 20Hz, this means that
Powerbeats Pro make sound with a juicier bass than the Sony WF 1000XM4
Highest Frequency
Sony WF 1000XM4
40,000Hz
Powerbeats Pro ✗
Sony WF 1000XM4's highest frequency is at 40,000Hz, high-frequency response measures if and how well an audio component generates high audible frequencies and if it makes any changes to the signal on its way through.
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.
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