Has Active Noise Cancellation (Noise Control)
Huawei FreeBuds 5i
✓
Bowers & Wilkins PI7 ✓
ANC uses more advanced technology to reduce ambient sounds. ANC works when, it studies the sound pattern outside and inside the earbud and generates a mirror signal to cancel it out. In simple terms, it's like taking +1 (sound from your surrounding) and producing -1 (counter sound by the device) to make zero hence "diluting" the noise.
The Huawei FreeBuds 5i have ANC allowing you to listen at lower levels of volume, good for your ears as you don't have to crank up the device volume to overcome background noise.
Bowers & Wilkins PI7 too have ANC which makes either of the devices ideal for plane rides and rush hour travels. Each operate with different noise cancellation settings, pick the noise cancellation type that suits your travel or that enhances your relaxation time.
Has Passive Noise Reduction
Huawei FreeBuds 5i
✓
Bowers & Wilkins PI7 ✓
The Huawei FreeBuds 5i stay tightly in place, this creates an acoustic seal that tones down background sounds well as preventing the earbuds music from leaking out at the same.
Both of these devices have passive noise reduction which means that both reduce ambient noise instead of actively using ANC to cancel it out.
Driver Unit Size
Huawei FreeBuds 5i
10mm
Bowers & Wilkins PI7 9.2mm
Huawei FreeBuds 5i have a unit size of 10mm 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, the unit size dictates the sound made by the device.
Bowers & Wilkins PI7 driver unit is 9.2mm in diameter,
which means that they have a smaller driver unit than that of Huawei FreeBuds 5i by 0.8mm
, 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 produce better quality sound.
Lowest Frequency
Huawei FreeBuds 5i
20Hz
Bowers & Wilkins PI7 10Hz
Huawei FreeBuds 5i's lowest frequency is at 20Hz, low-frequency response inidcates how well a particular audio component produces low audible frequencies and if it makes any changes to the signal while at it.
Bowers & Wilkins PI7's lowest frequency is at 10Hz, this implies that
Bowers & Wilkins PI7 can produce a juicier bass than the Huawei FreeBuds 5i
Highest Frequency
Huawei FreeBuds 5i
40000Hz
Bowers & Wilkins PI7 20000Hz
Huawei FreeBuds 5i's highest frequency is at 40000Hz, high-frequency response tells how well an audio device makes high audible frequencies and if it changes to the signal on its way through.
Bowers & Wilkins PI7's highest frequency is at 20000Hz, this means that
Huawei FreeBuds 5i generate a clearer and crispier treble than the Bowers & Wilkins PI7
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