Has Active Noise Cancellation (Noise Control)
Sennheiser Momentum True Wireless 3
✓
JBL Reflect Aero TWS ✓
Active noise cancellation makes use of more advanced kind of tech to reduce unwanted ambient sounds. ANC works when, 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 having +1 (sound from your surrounding) and adding -1 (counter sound by the device) to make zero resulting in a reduced level of noise.
The JBL Reflect Aero TWS have ANC allowing you to listen at lower volume levels, good for your ears as you don't need to crank up the device volume to outcompete background sounds.
Sennheiser Momentum True Wireless 3 too have ANC making both earbuds ideal for flights and rush hour travels. Each operate with different noise cancellation settings, pick the setting that you prefer for commute or that suites your relaxation time.
Has Passive Noise Reduction
Sennheiser Momentum True Wireless 3
✓
JBL Reflect Aero TWS ✓
The JBL Reflect Aero TWS sit tightly in place, this creates a sound seal that reduces your environment noise and also prevents the device music from leaking out .
Both Sennheiser Momentum True Wireless 3, and JBL Reflect Aero TWS have passive noise reduction which implies that they reduce ambient noise instead of actively using ANC to cancel it out.
Driver Unit Size
Sennheiser Momentum True Wireless 3
7mm
JBL Reflect Aero TWS 6.8mm
JBL Reflect Aero TWS have a unit size of 6.8mm in diameter, the bigger the unit the more powerful, therefor producing better bass.
A driver unit is the component that makes sound in the device, the unit size dictates the sound made by the device.
Sennheiser Momentum True Wireless 3 driver unit is 7mm in diameter,
making them have a larger driver unit than that of JBL Reflect Aero TWS by 0.2mm
, many people have a misconception that driver units of a bigger size automatically produce better sound quality.
However, large drivers find it difficult to produce high frequencies so yeah, larger drivers can generate louder sound, but this does not imply that they deliver better quality sound.
Lowest Frequency
Sennheiser Momentum True Wireless 3
5Hz
JBL Reflect Aero TWS 20Hz
The JBL Reflect Aero TWS's lowest frequency is at 20Hz, low-frequency response measures if and how well a particular audio component generates low frequencies that can be heard, and if it alters the signal on its way through.
Sennheiser Momentum True Wireless 3's lowest frequency is at 5Hz, this means that
Sennheiser Momentum True Wireless 3 can make sound with a juicier bass than the JBL Reflect Aero TWS
Highest Frequency
Sennheiser Momentum True Wireless 3
21000Hz
JBL Reflect Aero TWS 20000Hz
JBL Reflect Aero TWS's highest frequency is at 20000Hz, high-frequency response indicates how well an audio component makes high recognizable frequencies and if it adjustments to the signal on its way through.
Sennheiser Momentum True Wireless 3's highest frequency is at 21000Hz, this implies that
Sennheiser Momentum True Wireless 3 produce a clearer and crispier treble than the JBL Reflect Aero TWS
Sound Pressure Level
Sennheiser Momentum True Wireless 3
107dB/mW
JBL Reflect Aero TWS 99dB/mW
The sound pressure level, is the pressure level of sound, measured in decibels, dB, JBL Reflect Aero TWS's measurement is 99dB/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 considered differently by separate persons, so we need to have the means to get an objective measurement of sound level expressed in numerical terms.
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