Has Active Noise Cancellation (Noise Control)
Audio Technica ATH TWX9
✓
Bose QuietComfort Earbuds II ✓
Active noise cancellation makes use of advanced technology to reduce unwanted ambient sounds. How it works, it studies the sound pattern of incoming noise and after inverts the soundwaves to cancel it out. In simple terms, it's like taking +1 (noise) then adding -1 (counter sound by the device) to make zero therefore "diluting" the noise.
The Audio Technica ATH TWX9 have Active Noise Cancellation enabling you to listen at lower volume levels, causing less ear fatigue as you don't have to crank up the device volume to overcome background sounds.
The Bose QuietComfort Earbuds II too have Active Noise Cancellation making either of the devices ideal for flights and rush hour commutes. The Audio Technica ATH TWX9 and Bose QuietComfort Earbuds II operate with different noise cancellation settings, pick the setting that you prefer for commute or that suites your relaxation time.
Has Passive Noise Reduction
Audio Technica ATH TWX9
✓
Bose QuietComfort Earbuds II ✓
Audio Technica ATH TWX9 stay tightly in place, this creates a sound covering that tones down background noise and also prevents 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
Audio Technica ATH TWX9
5.8mm
Bose QuietComfort Earbuds II 9.3mm
The Audio Technica ATH TWX9 driver unit is 5.8mm in diameter, the bigger the unit the more powerful, and can produce better bass.
A driver unit is basically a mini speaker that makes sound in the earbuds, the unit size corellates with the loudness of the device.
Bose QuietComfort Earbuds II driver unit is 9.3mm in diameter,
making them have a larger driver unit than that of Audio Technica ATH TWX9 by 3.5mm
, 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 yeah, larger drivers are capable of generating louder sound, but this does not imply that they deliver better quality sound.
Lowest Frequency
Audio Technica ATH TWX9
20Hz
Bose QuietComfort Earbuds II 20Hz
The Audio Technica ATH TWX9's lowest frequency is at 20Hz, low-frequency response measures if and how well an audio component generates low audible frequencies and if it alters the signal on its way through.
Bose QuietComfort Earbuds II's lowest frequency is at 20Hz, this means that
both devices can make sound with equal bass
Highest Frequency
Audio Technica ATH TWX9
40000Hz
Bose QuietComfort Earbuds II 20000Hz
Audio Technica ATH TWX9's highest frequency is at 40000Hz, high-frequency response measures if and how well a particular audio component makes high human frequencies and if it adjustments to the signal on its way through.
Bose QuietComfort Earbuds II's highest frequency is at 20000Hz, this means that
Audio Technica ATH TWX9 can produce a clearer and crispier treble than the Bose QuietComfort Earbuds II
Sound Pressure Level
Audio Technica ATH TWX9
102dB/mW
Bose QuietComfort Earbuds II ✗
SPL, is the level of pressure of sound, in decibels, dB, Audio Technica ATH TWX9's measurement is 102dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
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