Has Active Noise Cancellation (Anc)
Audio Technica ATH ANC900BT
✓
Shure Aonic 40 ✓
Active noise cancellation uses more advanced technology to actively counter noise. How it works, it listens to the sound pattern outside and inside the earbud and then generates a mirror signal to cancel it out. In simple terms, it's like taking +1 outside (noise from your surrounding) and adding -1 inside (counter sound within the device) to make zero hence "diluting" the noise.
Shure Aonic 40 allow you to listen at lower volume levels, causing less ear fatigue as you don't have to crank up the volume to overcome background noise.
Audio Technica ATH ANC900BT too have active noise cancellation making both devices ideal for plane rides and morning commutes. Each may work with different noise cancellation modes, pick the setting, mode, or noise cancellation type that you prefer for commute or that enhances your relaxation time.
Has Passive Noise Reduction
Audio Technica ATH ANC900BT
✗
Shure Aonic 40 ✓
Passive Noise Cancellation uses well-designed ear cups to seal out unwanted noise. This is used for both in-ear earphones and over-ear headphones where the headphone itself will keep surrounding noise out.
The Shure Aonic 40 sits tightly in place, creating an acoustic seal that reduces background noise and prevents your music from leaking out.
Lowest Frequency
Audio Technica ATH ANC900BT
5Hz
Shure Aonic 40 20Hz
Low-frequency response measures if and how well an audio device reproduces low audible frequencies and if it makes any changes to the signal on the way through. Shure Aonic 40's lowest frequency is at 20Hz, the lower the low-frequency response, the stronger and juicier the bass.
Audio Technica ATH ANC900BT's lowest frequency is at 5Hz, this means that
Shure Aonic 40 got a juicier bass than the Audio Technica ATH ANC900BT
Highest Frequency
Audio Technica ATH ANC900BT
40000Hz
Shure Aonic 40 20000Hz
High frequency response measures if and how well a particular audio device reproduces high audible frequencies and if it changes to the signal on the way through. Shure Aonic 40's highest frequency is at 20000Hz, the higher the high-frequency response, the clearer and crispier the treble.
Audio Technica ATH ANC900BT's highest frequency is at 40000Hz, this means that
Audio Technica ATH ANC900BT got a clearer and crispier treble than the Shure Aonic 40
Sound Pressure Level
Audio Technica ATH ANC900BT
103dB/mW
Shure Aonic 40 ✗
Sound pressure is the average variation in atmospheric pressure caused by the sound, the sound level .i.e how loud something is can be perceived differently by different people so we need to have the means to get an objective measurement of sound level expressed in numerical terms.
The sound pressure level, SPL, is the pressure level of a sound, measured in decibels, dB, Audio Technica ATH ANC900BT's measurement is 103dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
Driver Unit Size
Audio Technica ATH ANC900BT
40mm
Shure Aonic 40 40mm
The driver unit is basically a mini speaker that produces sound in the device, its size dictates the loudness of the headphone. Shure Aonic 40 driver unit is 40mm in diameter, bigger drivers are more powerful and can produce better bass.
Audio Technica ATH ANC900BT driver unit is 40mm in diameter,
making both Audio Technica ATH ANC900BT, and Shure Aonic 40 similar in how loud their sound gets
, as many tend to believe that driver units of a bigger size automatically produce better sound quality.
However, large drivers usually have difficulty reproducing high frequencies so yeah, larger drivers can generate louder sound, but this does not mean that they produce better sound.
Impedance
Audio Technica ATH ANC900BT
35Ohms
Shure Aonic 40 ✗
Impedance is the device's resistance to the electromagnetic current, as electricity flows through a wire, it experiences electrical resistance that counters the flow of current. The resistance of a conductor is measured in ohms. Audio Technica ATH ANC900BT's impedance is 35Ohms, the lower the impedance, the easier it is to get higher volume and requires less power.
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