Has Active Noise Cancellation (Noise Control)
Sony WF 1000XM4
✓
Sony WF C500 ✗
Active noise cancellation utilises advanced technology to actively cancel noise. How it works, it listens to the sound pattern outside and inside the earbud and then generates a mirror signal to counter it. In simple terms, it's like taking +1 (noise) and adding -1 (inverted noise) giving zero which results in a reduced level of noise.
The Sony WF 1000XM4 have Active Noise Cancellation enabling you to listen at lower volume levels, good for your ears as you don't have to crank up the earbuds volume to overcome background noise.
Has Passive Noise Reduction
Sony WF 1000XM4
✓
Sony WF C500 ✓
The Sony WF C500 stay well in place, this creates an acoustic seal that tones down background noise while preventing the device sound from leaking out .
Both of these devices have passive noise reduction which implies that they tone down ambient noise without using technology to cancel it out.
Driver Unit Size
Sony WF 1000XM4
6mm
Sony WF C500 5.8mm
Sony WF C500 driver unit is 5.8mm in diameter, bigger drivers are more powerful, therefor producing better bass.
The driver unit is the component that makes sound in the earbuds, the unit size dictates the sound made by the earbuds.
Sony WF 1000XM4 driver unit is 6mm in diameter,
making them have a larger driver unit than that of Sony WF C500 by 0.2mm
, a common assumption that driver units of a bigger size automatically produce better sound quality.
However, large drivers find it difficult to produce high frequencies so it's true that, larger drivers are capable of generating louder sound, but this does not imply that they produce better quality sound.
Lowest Frequency
Sony WF 1000XM4
20Hz
Sony WF C500 20Hz
The Sony WF C500's lowest frequency is at 20Hz, low-frequency response inidcates how well an audio device produces low audible frequencies and if it alters the signal on its way through.
Sony WF 1000XM4's lowest frequency is at 20Hz, this implies that
both devices make sound with equal bass
Highest Frequency
Sony WF 1000XM4
40000Hz
Sony WF C500 20000Hz
Sony WF C500's highest frequency is at 20000Hz, high-frequency response indicates how well a particular audio component makes high audible frequencies and if it adjustments to the signal on its way through.
Sony WF 1000XM4's highest frequency is at 40000Hz, this implies that
Sony WF 1000XM4 can produce a clearer and crispier treble than the Sony WF C500
Has A Neodymium Magnet
Sony WF 1000XM4
✓
Sony WF C500 ✓
Sony WF C500 have neodymium magnets, when used in earbuds produce a higher sensitivity and substantial sound output using less power to do so. They can help produce music at quite a high sound pressure level, with the use of high magnetic flux.
Sony WF 1000XM4 have it too, devices with neodymium magnets are lighter and more powerful than those which use ferrite magnets. It is also known that they have more bass and clearer high notes.
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