Has Active Noise Cancellation (Noise Control)
Sennheiser Momentum True Wireless 3
✓
Skullcandy Indy Fuel ✗
ANC uses advanced technology to actively counter noise. ANC works when, it listens to the sound pattern outside and inside the earbud and inverts the soundwaves to cancel it out. Simply put, it's like having +1 (noise) then adding -1 (inverted noise) giving 0 resulting in a reduced level of noise.
The Sennheiser Momentum True Wireless 3 have Active Noise Cancellation 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 noise.
Has Passive Noise Reduction
Sennheiser Momentum True Wireless 3
✓
Skullcandy Indy Fuel ✓
The Skullcandy Indy Fuel stay tightly in place, creating an acoustic seal that reduces background noise well as preventing the device sound from leaking out at the same.
Both of these devices have passive noise reduction which means that both limit ambient noise without using technology to cancel it out.
Driver Unit Size
Sennheiser Momentum True Wireless 3
7mm
Skullcandy Indy Fuel 6mm
Skullcandy Indy Fuel driver unit is 6mm in diameter, the bigger the unit the more powerful, and can produce better bass.
The driver unit is basically a mini speaker that makes sound in the device, its size dictates the sound produced by the device.
Sennheiser Momentum True Wireless 3 driver unit is 7mm in diameter,
making them have a larger driver unit than that of Skullcandy Indy Fuel by 1mm
, 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 yes, larger drivers can generate louder sound, but this does not indicate that they produce better quality sound.
Lowest Frequency
Sennheiser Momentum True Wireless 3
5Hz
Skullcandy Indy Fuel 20Hz
Skullcandy Indy Fuel's lowest frequency is at 20Hz, low-frequency response measures if and how well a particular audio device generates low audible frequencies and if it makes any changes to the signal on its way through.
Sennheiser Momentum True Wireless 3's lowest frequency is at 5Hz, this implies that
Sennheiser Momentum True Wireless 3 produce a juicier bass than the Skullcandy Indy Fuel
Highest Frequency
Sennheiser Momentum True Wireless 3
21000Hz
Skullcandy Indy Fuel 20000Hz
Skullcandy Indy Fuel's highest frequency is at 20000Hz, high-frequency response tells how well an audio device makes high human frequencies and if it makes any changes to the signal while at it.
Sennheiser Momentum True Wireless 3's highest frequency is at 21000Hz, this implies that
Sennheiser Momentum True Wireless 3 can produce a clearer and crispier treble than the Skullcandy Indy Fuel
Sound Pressure Level
Sennheiser Momentum True Wireless 3
107dB/mW
Skullcandy Indy Fuel 105dB/mW
The sound pressure level, is the level of pressure of sound, measured in decibels, dB, Skullcandy Indy Fuel's measurement is 105dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
Sennheiser Momentum True Wireless 3's sound pressure level measurement is 107dB/mW. The sound pressure level, something is can be perceived differently by separate people, so we need to have a way of getting a standard measurement of sound level expressed in numerical terms.
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