IP ratings is the rating of protection given by a casing, against dust and water. The letters 'IP' are followed by two values The first value represents protection against solids such as dust, while the second refers to resistance against liquids (water).
Scoring IP54, the Momentum True Wireless 4's rating for solids indicates that ingress of dust is not totally prevented but dust does not enter in harmful quantities to interfere with the correct operation or impair safety, and the second value of 4 means that they can withstand low pressure spray similar to that of a shower head when tilted at 180° for 10 minutes. In comparison to the Momentum True Wireless 4, Bose QuietComfort 2 have a rating of IPX4 meaning that
no data available to specify a protection rating
and that of liquids is that,
they both have the same rating against liquids
Momentum True Wireless 4 have a weight of 12.4g . We consider a lower weight best for the reason that lighter devices are easier to transport.
Bose QuietComfort 2, at 12.5g
weigh more than the Momentum True Wireless 4 with a difference of 0.1g
For a device to be true wireless it should have no cables linking any part of the device together, Momentum True Wireless 4 are true wireless for this case since they don't have cables. This is a major distinction as some wireless earbuds have wires linking the two earbuds together. Bose QuietComfort 2 also is true wireless because it doesn't have wires linking the 2 earbuds .
Momentum True Wireless 4 are resistant to sweat
Bose QuietComfort 2's resistance to sweat makes both devices ideal for use while doing sports such as long-distance running, marathons, training in workout bodysuits, etc
Momentum True Wireless 4 are both dustproof and water-resistant.
Momentum True Wireless 4 have stereo speakers, devices with stereo speakers deliver sound from separate channels on both left and right sides, creating a richer sound and a better listening experience. The Bose QuietComfort 2 also have stereo speakers
Active noise cancellation utilises advanced technology to reduce ambient sounds. How it works, it detects and analyzes the sound pattern of incoming noise and then generates a mirror signal to counter it.
Simply put, it's like taking +1 (noise) and adding -1 (counter sound by the device) giving zero thus "diluting" the noise.
Momentum True Wireless 4 have ANC enabling you to listen at lower volume levels, good for your ears as you don't have to crank up the earbuds volume to outcompete background sounds. Bose QuietComfort 2 too have ANC making either of the devices ideal for flights and morning commutes.
Each operate with different noise cancellation settings, pick the setting that suits your travel or that suites your relaxation time. The Momentum True Wireless 4 sit well in place, creating a sound seal that tones down background sounds and also prevents the earbuds voice audio from leaking out at the same. Both Bose QuietComfort 2, and Momentum True Wireless 4 have passive noise reduction this means that both limit ambient noise instead of actively using ANC to cancel it out.
Momentum True Wireless 4 have a unit size of 7mm in diameter, the bigger the unit the more powerful, therefor producing better bass. A driver unit is basically a mini speaker that produces sound in the device, the unit size determines the loudness of the earbuds. Bose QuietComfort 2 driver unit is 9.3mm in diameter,
making them have a larger driver unit than that of Momentum True Wireless 4 by 2.3mm
, 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 are capable of generating louder sound, but this does not imply that they produce better quality sound. Momentum True Wireless 4's lowest frequency is at 5Hz, low-frequency response inidcates how well an audio component produces low recognizable frequencies and if it alters the signal on its way through. Bose QuietComfort 2's lowest frequency is at 20Hz, this means that
Momentum True Wireless 4 make sound with a juicier bass than the Bose QuietComfort 2
The Momentum True Wireless 4's highest frequency is at 21,000Hz, high-frequency response indicates how well a particular audio component makes high recognizable frequencies and if it changes to the signal on its way through.
Bose QuietComfort 2's highest frequency is at 20,000Hz, this means that
Momentum True Wireless 4 can produce a clearer and crispier treble than the Bose QuietComfort 2
SPL, is the pressure level of sound, measured in decibels, dB, Momentum True Wireless 4's measurement is 107dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source. Momentum True Wireless 4's battery life is 7.5 hours, these last longer than 5 hours of listening which is considered average for a single charge.
A device's battery life is commonly given by the manufacturer, and with more battery hours, you get to use it for longer and have to charge the device less often. Bose QuietComfort 2's battery life is
less than that of Momentum True Wireless 4 by 1.5 hours
. Every time you recharge your earbuds, they get a little less playing time. The effect is barely noticeable at first, but over a few years, your wireless earbuds will have shorter listening time.
This is given by the manufacturer, and Momentum True Wireless 4's case has a full charge of 22.5 hours. A charging case with a longer battery life enables you to recharge your earbuds on the go many times before having to recharge the case itself. Bose QuietComfort 2's charging case has a battery life of 18 hours,
less than that of Momentum True Wireless 4 by 4.5 hours
It takes 1.5 hours to fully charge the Momentum True Wireless 4's battery.
It is recommended to charge fully the battery before using the earbuds when they have been unused for long periods. Bose QuietComfort 2 takes 2 hours to fully charge the battery,
more than that of Momentum True Wireless 4 by 0.5 hours
Momentum True Wireless 4, the device supports wireless charging. To charge the earbuds, you just put down on a compatible charging pad.
Momentum True Wireless 4 have a battery level indicator, an indicator notifies you when the device has a low battery. The battery indicator lights show the charging state of your earbuds and case. Bose QuietComfort 2 too have a battery level indicator, these enable you determine the charging state of your device, whether fully charged, or the battery is running low.
The Momentum True Wireless 4 support USB TYPE-C, an industry-standard connector for transmitting both data and power through a single cable. Bose QuietComfort 2 too use USB TYPE-C. This USB-C plug is part and parcel of most current laptops, phones, and tablets.
The Momentum True Wireless 4 have Bluetooth version of 5.4, Bluetooth is a wireless technology standard that allows data transfers between devices placed in range, using short-wavelength, ultra-high frequency radio waves. Bose QuietComfort 2 has a Bluetooth version of 5.3,
older than that of Momentum True Wireless 4
. Newer versions provide faster data transfers. Momentum True Wireless 4 have a 10meters distance to connect via Bluetooth.
Bose QuietComfort 2 have a maximum range of 10meters,
equal to that of the Momentum True Wireless 4
Momentum True Wireless 4 support AAC, a codec that is used for Bluetooth audio. It supports 24-bit audio at 250kbps. Because it uses psychoacoustic modeling, it provides better results than other codecs at the same bit rate.
Being the highest quality codec that any Bluetooth-supporting Apple product supports, the Momentum True Wireless 4 will work well with your iPad. If you are planning on using these with Android you need to pay even closer attention to codec support for if they only have AAC they won't provide the best audio quality possible, ensure that they also support aptX HD, LDAC, or LHDC as well. The Bose QuietComfort 2 support AAC as well.
Designed to be the successor of the MP3 format, AAC generally achieves higher sound quality than MP3 encoders at the same bit rate. Momentum True Wireless 4 support APTX Adaptive, an audio codec for Bluetooth devices that are developed by Qualcomm. It has a variable bit rate (between 279kbps and 420kbps).
Bose QuietComfort 2 support APTX Adaptive as well which implies that both can adjust the bit rate for different scenarios, such as reducing interference from other devices.
Momentum True Wireless 4 have 6 microphones. The Bose QuietComfort 2 microphones are 8,
more than that of Momentum True Wireless 4 by 2
. More microphones result in better sound quality and help the earbuds to filter out background sounds. The Momentum True Wireless 4 have a noise-canceling type of microphone, these microphones are designed to filter out noise from the earbuds' sound.
The Bose QuietComfort 2 too have a noise-canceling type of microphone. This is useful in noisy areas. Momentum True Wireless 4's highest mic frequency is 10,000Hz, high frequencies are best for recording treble.
The highest mic frequency of a microphone is defined as its upper limiting frequency. The Momentum True Wireless 4's lowest mic frequency is 100Hz, low frequencies are best for recording bass. The lowest mic frequency of a microphone is defined as its lower limiting frequency.
The Momentum True Wireless 4 support ambient sound mode, which uses microphones to pass through ambient noises so that they can still be heard even while wearing the earbuds
The Bose QuietComfort 2 support ambient sound mode as well, it’s useful when you want to listen to music but also be aware of your surrounding, for example when you’re having a run but still want to be able to hear traffic. The Momentum True Wireless 4 support fast charging. Most often, technologies like Qualcomm’s Quick Charge, are used to reduce the time it takes to fully charge the earbuds.
Bose QuietComfort 2 support fast charging. It's very similar to regular charging, just that the battery fills up much faster. For example, with Quick Charge 3.0, the battery is charged to 50% in just 30 minutes.
The Momentum True Wireless 4 have a multipoint of 2 connections, this feature allows you to link to more than one Bluetooth device and switch between them. For example, you can easily switch calls from one device to another without having to manually disconnect and reconnect. The Bose QuietComfort 2 have a multipoint count of 2,
equal to that of the Momentum True Wireless 4
. Bluetooth multipoint is useful because you can be on one call without missing notifications coming from another device.
Momentum True Wireless 4 have a mute function, they have the feature to mute/unmute a conversation directly from the earbuds. The Bose QuietComfort 2 also have the mute function. It means that you can turn off the device's microphone, but you can still hear the other party's voice.
The Momentum True Wireless 4, so you can easily access the volume control, pause, play, mute, etc whichever functions are supported on the device. The Bose QuietComfort 2 too have a control panel on them. Momentum True Wireless 4 have a warranty period of 2 Years, the period of time that warrant free repair and adjustment services in case of a malfunction occurring under normal use that has followed instruction manuals.
The Momentum True Wireless 4 support voice prompts. With voice prompts, you receive information through audio messages, like if there is an issue with the connection. The Bose QuietComfort 2 too have voice prompts .i.e the earbuds notifies you when the battery is running low, and you need to recharge them.
The Momentum True Wireless 4 come with a special case. Carrying earphones openly, or placing them inside your pockets without a casing may easily put them at risk of getting damaged. Bose QuietComfort 2 also have a case included, which is useful for safe transportation.
