Ingress protection ratings refer to the level of protection offered by an enclosure, against dust and water. In the format of IPXX, 'X' represents a number The first value of the IP rating refers to protection against solids say 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. Compared to the Momentum True Wireless 4, Technics EAH AZ80 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
The Momentum True Wireless 4 have a weight of 12.4g . We take in account a lower weight best because lighter devices are easier to transport.
Technics EAH AZ80, at 14g
weigh more than the Momentum True Wireless 4 by of 1.6g
For a device to be true wireless it must have no wires connecting 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 difference since wireless earbuds have wires connecting the pair of earbuds together. Technics EAH AZ80 also is true wireless since it has no cables linking the two earbuds .
Momentum True Wireless 4 have sweat resistance
Technics EAH AZ80'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 independent channels on both left and right sides, this creates a richer sound and a better listening experience. The Technics EAH AZ80 also have stereo speakers
ANC makes use of more advanced kind of tech to reduce unwanted ambient sounds. How it works, it detects and analyzes the sound pattern outside and inside the earbud and then generates a mirror signal to counter it.
Simply put, it's like taking +1 (sound from your surrounding) and producing -1 (inverted noise) giving zero hence "diluting" the noise.
Momentum True Wireless 4 have Active Noise Cancellation enabling you to listen at lower levels of volume, good for your ears as you don't have to crank up the earbuds volume to overcome background noise. The Technics EAH AZ80 too have Active Noise Cancellation making either of the devices ideal for plane rides and morning travels.
The Momentum True Wireless 4 and Technics EAH AZ80 operate with different noise cancellation settings, pick the setting that suits your travel or that suites your relaxation time. Momentum True Wireless 4 sit well in place, this creates a sound covering that reduces your environment noise well as preventing the earbuds voice audio from leaking out at the same. Both Technics EAH AZ80, and Momentum True Wireless 4 have passive noise reduction which means that both reduce ambient noise instead of actively using technology to cancel it out.
Momentum True Wireless 4 driver unit is 7mm in diameter, bigger drivers are more powerful, therefor producing better bass. The driver unit is basically a mini speaker that produces sound in the earbuds, its size corellates with the loudness of the earbuds. Technics EAH AZ80 driver unit is 10mm in diameter,
making them have a larger driver unit than that of Momentum True Wireless 4 by 3mm
, a common assumption that driver units of a bigger size automatically produce better sound quality.
However, large drivers find it difficult to produce high frequencies so it's true that, larger drivers can generate louder sound, but this does not imply that they deliver better quality sound. The Momentum True Wireless 4's lowest frequency is at 5Hz, low-frequency response measures if and how well an audio device generates low audible frequencies and if it makes any changes to the signal on its way through. Technics EAH AZ80's lowest frequency is at 20Hz, this implies that
Momentum True Wireless 4 can make sound with a juicier bass than the Technics EAH AZ80
The Momentum True Wireless 4's highest frequency is at 21,000Hz, high-frequency response tells how well an audio component generates high recognizable frequencies and if it adjustments to the signal while at it.
Technics EAH AZ80's highest frequency is at 40,000Hz, this means that
Technics EAH AZ80 generate a clearer and crispier treble than the Momentum True Wireless 4
The sound pressure level, is the level of pressure 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. The 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 given by the manufacturer, and with longer battery life, you get to use it for longer and requires fewer chargings. Technics EAH AZ80's battery life is
equal to that of the Momentum True Wireless 4
. Every time you recharge your device, they get a little less listening time. The effect is not noticeable at first, but over a few years, your wireless earbuds will have shorter listening time.
This is given by the vendor, and the Momentum True Wireless 4's case has a charge of 22.5 hours. A charging case with more battery hours enables you to recharge your earbuds on the go many times before having to recharge the case itself. Technics EAH AZ80's charging case has a battery life of 17.5 hours,
less than that of Momentum True Wireless 4 by 5 hours
It requires 1.5 hours to fully charge the Momentum True Wireless 4's battery.
It is highly adivsable to charge fully the battery before using the earbuds when they have been in storage for long periods. Technics EAH AZ80 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 simply put down on a compatible charging pad.
Technics EAH AZ80 also support wireless charging, take note of the charging standard of the earbuds. Momentum True Wireless 4 have a battery level indicator, an indicator shows you when the device has a low battery. The battery indicator lights indicate the charging state of your device and charging case.
Technics EAH AZ80 too have a battery level indicator, these allow you determine the charging state of your earbuds, whether fully charged, or having a low battery. Momentum True Wireless 4 have USB TYPE-C, an industry-standard connector for transmitting both data and power in a single cable. Technics EAH AZ80 too use USB TYPE-C.
This USB-C plug is part and parcel of most current electronics. Momentum True Wireless 4 have Bluetooth version of 5.4, Bluetooth is a wireless technology standard that allows data movement between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves. Technics EAH AZ80 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 connecting via Bluetooth. Technics EAH AZ80 have a maximum range of 10meters,
equal to that of the Momentum True Wireless 4
Momentum True Wireless 4 support AAC, a codec used for Bluetooth audio. It supports 24-bit audio at 250kbps.
Since it uses psychoacoustic modeling, it provides better results than other codecs at a similar bit rate.
Being the highest quality codec that any Bluetooth-supporting Apple product supports, the Momentum True Wireless 4 will work well with your MacBook. If you are planning on using these with Android , ensure that they also support aptX HD, LDAC, or LHDC as well.
The Technics EAH AZ80 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. The 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).
Momentum True Wireless 4 have 6 microphones. While the Technics EAH AZ80 microphones are 8,
more than that of Momentum True Wireless 4 by 2
. More microphones record better sound quality and enable the earbuds to filter out noise. Momentum True Wireless 4 have a noise-canceling type of microphone, these microphones are made to filter out noise from the desired sound.
The Technics EAH AZ80 too have a noise-canceling microphone. This is useful in noisy environments. 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 picking up bass. The lowest mic frequency of a microphone is defined as its lower limiting frequency.
Momentum True Wireless 4 support ambient sound mode, which uses microphones to pass through ambient sound to still be heard even while wearing the earbuds
The Technics EAH AZ80 support ambient sound mode as well, it’s useful when you want to listen to music but also be aware of what’s happening around you, 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 lower the amount of time it takes to charge the earbuds.
Technics EAH AZ80 support fast charging. This kind is similar to regular charging, only that the battery fills up much faster. For example, with Quick Charge 3.0, the battery can be charged to 50% in just thirty minutes.
Momentum True Wireless 4 support multipoint of 2 connections, the multipoint feature allows you to link to more than one Bluetooth device and switch between them. Say, you can seemlessly switch calls from one device to another without manually disconnect and reconnect. The Technics EAH AZ80 have a multipoint count of 3,
more than that of Momentum True Wireless 4 by 1 only
. Bluetooth multipoint comes in handy when you can be on one call and not miss notifications coming from another device.
The Momentum True Wireless 4 have a mute function, they have the feature to mute/unmute a conversation directly from the earbuds. The Technics EAH AZ80 also support the mute function. The mute function means that you can turn off the device's microphone, but still hear the other party's voice.
With the Momentum True Wireless 4, so you can access the volume control, pause, play, mute, etc whichever features are supported on the earbuds. The Technics EAH AZ80 also have a control panel on them. The 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.
When covered under the manufacturer’s warranty it is possible to get a replacement a malfunction occurs. Technics EAH AZ80 have a warranty period of 1Years,
less than that of Momentum True Wireless 4 by 1 Years
.
The Momentum True Wireless 4 have voice prompts. Automatically receive information via audio messages, like if there is a problem with the connection.
The Technics EAH AZ80 too support voice prompts .i.e the device will notify you if the battery is low, and it's time to recharge them. The Momentum True Wireless 4 come with a special pouch. Carrying earbuds without a case, or putting them in your pockets without a cover may easily put them at risk of getting damaged.
Technics EAH AZ80 also have a travel bag included, which offers safe transportation.
