Ingress protection ratings refer to the rank of protection given by an enclosure, against solids and liquids. The letters 'IP' are followed by two values The first value represents protection against solids such as dust, followed by the one that refers to resistance against liquids (sweat).
Scoring IPX4, the Technics EAH AZ80's rating for solids indicates that no data available to specify a protection rating, and of liquids 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 Technics EAH AZ80, Sony WF 1000XM4 have a rating of IPX4 meaning that
we are not yet certain of their rating with solids (dust)
and that of liquids is that,
they both have the same rating against liquids
Technics EAH AZ80 have a weight of 14g . We consider a lower weight best because lighter devices are easier to transport.
The Sony WF 1000XM4, at 7.1g
weigh less than the Technics EAH AZ80 with a difference -6.9g
For a device to be true wireless it should have no cables linking any part of the device together, Technics EAH AZ80 are true wireless for this case since they don't have wires. This is an important difference since wireless earbuds have cables connecting the pair of earbuds .
Sony WF 1000XM4 also is true wireless since it has no cables connecting the two earbuds .
Technics EAH AZ80 are resistant to sweat
Sony WF 1000XM4's resistance to sweat makes both devices ideal for use while doing sports such as long-distance running, marathons, training in workout bodysuits, etc
Technics EAH AZ80 have stereo speakers, devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better listening experience. The Sony WF 1000XM4 also have stereo speakers
Active noise cancellation uses more advanced kind of tech to reduce ambient sounds.
ANC works when, it studies the sound pattern outside and inside the earbud and inverts the soundwaves to counter it. In simple terms, it's like having +1 (noise) then adding -1 (counter sound by the device) to make zero therefore "diluting" the noise.
The Technics EAH AZ80 have ANC allowing you to listen at lower volume levels, good for your ears since you don't have to crank up the earbuds volume to overcome background sounds.
Sony WF 1000XM4 too have ANC which makes both earbuds ideal for flights and morning travels. The Technics EAH AZ80 and Sony WF 1000XM4 operate with different noise cancellation types, pick the mode that you prefer for commute or that suites your chill time. The Technics EAH AZ80 stay well in place, creating an acoustic covering that tones down your environment noise well as preventing the earbuds music from leaking out at the same.
Both of these devices have passive noise reduction which means that they limit ambient noise without using technology to cancel it out. The Technics EAH AZ80 have a unit size of 10mm in diameter, bigger drivers are more powerful, and can produce better bass. The driver unit is basically a mini speaker that produces sound in the earbuds, its size determines the loudness of the earbuds.
Sony WF 1000XM4 driver unit is 6mm in diameter,
which means that they have a smaller driver unit than that of Technics EAH AZ80 by 4mm
, 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 can generate louder sound, but this does not indicate that they deliver better quality sound. Technics EAH AZ80's lowest frequency is at 20Hz, low-frequency response measures if and how well a particular audio component produces low recognizable frequencies and if it makes any changes to the signal while at it.
Sony WF 1000XM4's lowest frequency is at 20Hz, this means that
both devices can make sound with equal bass
The Technics EAH AZ80's highest frequency is at 40,000Hz, high-frequency response indicates how well an audio component generates high human frequencies and if it changes to the signal on its way through. Sony WF 1000XM4's highest frequency is at 40,000Hz, this implies that
both devices can generate equal treble
Technics EAH AZ80's battery life is 7.5 hours, these last longer than 5 hours of listening which is considered average before recharge. A device's battery life is given by the manufacturer, and with longer battery life, you get to use it for longer and have to charge the device less often.
Sony WF 1000XM4's battery life is
more than that of Technics EAH AZ80 by 0.5 hours
. Every time you recharge your earbuds, they get a little less listening time. The effect is barely noticeable at first, but over a few years, your wireless earbuds will have shorter listening time. The battery life of the charging case is given by the manufacturer, and the Technics EAH AZ80's case is said to have a full charge of 17.5 hours.
A charging case with a longer battery life enables you to recharge your earbuds on the go multiple times before having to recharge the case itself. Sony WF 1000XM4's charging case has a battery life of 16 hours,
less than that of Technics EAH AZ80 by 1.5 hours
It requires 2 hours to fully charge the Technics EAH AZ80's battery. It is recommended to fully charge the battery before using the earbuds for the first time.
Sony WF 1000XM4 takes 1.5 hours to fully charge the battery,
less than that of Technics EAH AZ80 by 0.5 hours
Technics EAH AZ80, the device supports wireless charging. To charge the device, you just put down on a compatible charging pad. Sony WF 1000XM4 also support wireless charging, always look out for the charging standard of a device.
Technics EAH AZ80 have a battery level indicator, an indicator shows you when the device has a low battery. Its lights show the charging status of your earbuds and case. Sony WF 1000XM4 too have a battery level indicator, charging indicators enable you determine the charging state of your earbuds, if charged fully, or having a low battery.
The Technics EAH AZ80 use USB TYPE-C, an industry-standard connector for transmitting both data and power in a single cable. Sony WF 1000XM4 too use USB TYPE-C. This USB-C plug is part and parcel of most current laptops, phones, and tablets.
Technics EAH AZ80 have Bluetooth version of 5.3, Bluetooth is a wireless technology standard that allows data transfers between devices placed in range, using short-wavelength, ultra-high frequency radio waves. Sony WF 1000XM4 has a Bluetooth version of 5.2,
older than that of Technics EAH AZ80
. Newer versions provide faster data transfers. The Technics EAH AZ80 have a 10meters distance to connect via Bluetooth.
Sony WF 1000XM4 have a maximum range of 10meters,
equal to that of the Technics EAH AZ80
Technics EAH AZ80 support AAC, a codec used for Bluetooth audio. It supports 24-bit audio at 250kbps. Because it uses psychoacoustic modeling, it provides better results than other codecs at a similar bit rate.
Since its the highest quality codec that any Bluetooth-supporting Apple product supports, the Technics EAH AZ80 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 Sony WF 1000XM4 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. Technics EAH AZ80 support LDAC, a codec developed by Sony
which allows streaming high-resolution audio over Bluetooth connections at up to 990 kbps at 32 bit/96 kHz. It is capable of a very high bitrate of 990kbps, providing high-resolution audio.
Sony WF 1000XM4 support it as well, LDAC, can automatically adjust to a lower bitrate of 330kbps or 660kbps for stability. Technics EAH AZ80 have 8 microphones. Sony WF 1000XM4 microphones are 4,
less than that of Technics EAH AZ80 by 4
. More microphones result in better sound quality and help the earbuds to filter out noise.
Technics EAH AZ80 use a noise-canceling type of microphone, these microphones are designed to filter out noise from the desired sound. The Sony WF 1000XM4 too use a noise-canceling microphone. Especially useful in noisy areas.
The Technics EAH AZ80 support ambient sound mode, which uses microphones to pass through ambient sound to still be heard even when wearing the earbuds
The Sony WF 1000XM4 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. Technics EAH AZ80 have in/on-ear detection, the sensors in the earbuds can detect when they are removed from your ears so that the music is paused. Sony WF 1000XM4 too support in/on-ear detection, automatically pauses your music, or audiobook when you remove earbuds from your ears saving battery life.
Technics EAH AZ80 support fast charging. Commonly, technologies like MediaTek’s Pump Express, are used to reduce the time it takes to fully charge a device. Also the Sony WF 1000XM4 too support fast charging.
This kind is similar to regular charging, only that the battery fills up much faster. Say, with Quick Charge 3.0, the battery is charged to 50% in 30 minutes. The Technics EAH AZ80 have a multipoint of 3 connections, this feature allows you connect to more than one Bluetooth device and switch between them.
Say, you can seemlessly switch calls from one device to another without having to manually disconnect and reconnect. The Sony WF 1000XM4 have a multipoint count of 2,
less than that of Technics EAH AZ80 by 1 only
. Bluetooth multipoint is useful because you can be on one call without missing notifications coming from another connected device. Technics EAH AZ80 have a mute function, they support the option to mute/unmute a conversation directly from the device.
The Sony WF 1000XM4 also support the mute function. It means that you can turn off the device's microphone, but you can still hear the other party talk. With the Technics EAH AZ80, so you can easily access the volume control, pause, play, mute, etc whichever features are supported on the earbuds.
Sony WF 1000XM4 too have a control panel on them. The Technics EAH AZ80 have a warranty period of 1 Years, the period of time that warrant free repair and adjustment services in case of a malfunction occurring under normal use following instruction manuals. The Technics EAH AZ80 support voice prompts.
Automatically receive information via audio messages, like if there is an issue with the connection. The Sony WF 1000XM4 also support voice prompts meaning the device notifies you if the battery is running low, and it's time to recharge them. The Technics EAH AZ80 come with their own special pouch.
Carrying earbuds openly, or placing them inside your bag without a cover can easily put them at risk of getting damaged. Sony WF 1000XM4 also have a case included, which is useful for safe transportation.
