Ingress protection ratings is the rating of protection given by an enclosure, against dust and water. In the format of IPXX, 'X' represents a number The first value of the IP rating means protection against solids say dust, followed by the one that refers to protection against liquids (sweat).
Having a value of 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 of liquids 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
Momentum True Wireless 4 have a weight of 12.4g . We prefer a lower weight better because lighter devices are easier to transport.
The Technics EAH AZ80, at 14g
are heavier than the Momentum True Wireless 4 with a difference of 1.6g
True wireless devices have no cables connecting any part of the device together, Momentum True Wireless 4 are true wireless for this matter since they don't have cables. This is a key difference since wireless earbuds have wires connecting the 2 earbuds .
Technics EAH AZ80 also is true wireless because it has no cables connecting the 2 earbuds .
Momentum True Wireless 4 have sweat resistance
Technics EAH AZ80's resistance to sweat makes both devices fit for use during long-distance running, marathons, cardio sweat workouts , etc
The Momentum True Wireless 4 are both dustproof and water-resistant. Momentum True Wireless 4 have stereo speakers, what this means is that Momentum True Wireless 4's speakers deliver sound from independent channels on both left and right sides, this creates a richer sound and a better listening experience.
Both Technics EAH AZ80 and Momentum True Wireless 4 have stereo speakers
ANC utilises advanced kind of tech to actively counter noise. How it works, it detects and analyzes the sound pattern outside and inside the earbud and inverts the soundwaves to cancel it out. Simply put, it's like taking +1 (sound from your surrounding) then adding -1 (inverted noise) to make zero resulting in a reduced level of noise.
The Momentum True Wireless 4 have Active Noise Cancellation enabling you to listen at lower volume levels, causing less ear fatigue since you don't have to crank up the earbuds volume to overcome background noise. The Technics EAH AZ80 too have Active Noise Cancellation making both devices ideal for plane rides and morning travels. The Momentum True Wireless 4 and Technics EAH AZ80 work with different noise cancellation modes, pick the mode that suits your commute or that suites your chill time.
Momentum True Wireless 4 stay well in place, this creates an acoustic seal that tones down background sounds while preventing the earbuds music from leaking out .
Both Technics EAH AZ80, and Momentum True Wireless 4 have passive noise reduction this implies that they limit ambient noise instead of actively using technology to cancel it out. The Momentum True Wireless 4 have a unit size of 7mm in diameter, bigger drivers are 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.
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 usually have difficulty producing high frequencies so it's true that, larger drivers are capable of generating louder sound, but this does not mean that they deliver better quality sound. The Momentum True Wireless 4's lowest frequency is at 5Hz, low-frequency response inidcates how well a particular audio component produces low frequencies that can be heard, and if it makes any changes to the signal while at it.
Technics EAH AZ80's lowest frequency is at 20Hz, this means that
Momentum True Wireless 4 produce a juicier bass than the Technics EAH AZ80
Momentum True Wireless 4's highest frequency is at 21,000Hz, high-frequency response shows how well a particular audio component generates high recognizable frequencies and if it makes any adjustments to the signal on its way through. Technics EAH AZ80's highest frequency is at 40,000Hz, this implies that
Technics EAH AZ80 generate a clearer and crispier treble than the Momentum True Wireless 4
The sound pressure level, 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.
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 commonly 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 earbuds, they get a little less playing time.
The effect is not noticeable at first, but over a few years, your wireless earbuds will no longer play for long like they used to. The battery life of the charging case is given by the manufacturer, and the Momentum True Wireless 4's case is said to have a full 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 takes 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 extended 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 just put down on a compatible charging pad. Technics EAH AZ80 also support wireless charging, always look out for the charging standard of a device. Momentum True Wireless 4 have a battery level indicator, an indicator alerts you when the earbuds has a low battery.
The battery indicator lights display the charging status of your earbuds and case. Technics EAH AZ80 too have a battery level indicator, these allow you to determine the charging state of your device, if charged fully, or the battery is running low. The Momentum True Wireless 4 support USB TYPE-C, a standard connector for transmitting both data and power in a single cable.
Technics EAH AZ80 too support USB TYPE-C. This USB-C plug comes along with most current laptops, phones, and tablets. Momentum True Wireless 4 have Bluetooth version of 5.4, Bluetooth is a wireless technology standard that enables data transfers between devices placed in range, 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. The 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 that is used for Bluetooth audio.
It supports 24-bit audio at 250kbps. Since it uses psychoacoustic modeling, it provides better results than other codecs at the same bit rate.
Since its the highest quality codec that any Bluetooth-supporting Apple product supports, the Momentum True Wireless 4 will work fine with your iPhone.
If you intend 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 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.
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).
The Momentum True Wireless 4 have 6 microphones. 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 device to filter out noise.
The Momentum True Wireless 4 have a noise-canceling type of microphone, these microphones are designed to reduce background sounds from the desired sound. The Technics EAH AZ80 too have a noise-canceling microphone. This is useful in noisy environments.
The Momentum True Wireless 4's highest mic frequency is 10,000Hz, high frequencies are better for picking up treble. The highest mic frequency of a microphone is known 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. Momentum True Wireless 4 support ambient sound mode, which uses microphones to channel ambient sound so that they can still be heard even when 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 your surrounding, for example when you’re having a jog but still want to hear traffic. The Momentum True Wireless 4 support fast charging.
Usually, technologies like Qualcomm’s Quick Charge, are used to lower the amount of time it takes to fully charge a device. The Technics EAH AZ80 too support fast charging. It's very similar to regular charging, just that the battery fills up much faster.
Say, with Quick Charge 3.0, the battery can be charged to 50% in just 30 minutes. The 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 easily 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 is useful because you can be on one call and not miss notifications coming from another connected device. The Momentum True Wireless 4 have a mute function, they have the feature to mute/unmute a conversation directly from the device. The Technics EAH AZ80 too support the mute function.
It means that you are in position turn off the earbuds' microphone, but you can still hear the other party's voice. With the Momentum True Wireless 4, so you can easily access the volume control, pause, play, mute, etc whichever functions are supported on the earbuds. Technics EAH AZ80 too 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 following instruction manuals. If 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
.
Momentum True Wireless 4 have voice prompts.
With voice prompts, you receive information via audio messages, like if there is an issue with the connection. The Technics EAH AZ80 too have voice prompts meaning the earbuds will notify you if the battery is low, and you need to recharge them. The Momentum True Wireless 4 come with their own special case.
Carrying earbuds openly, or putting them inside your pockets without a cover can easily damage them. Technics EAH AZ80 too have a travel bag included, which is useful for safe transportation.
