Overall Score 7.8 Represents average audio ecosystem compatibility score.
Overall Score 7.3 Represents average audio ecosystem compatibility score.
Category | Features | Technics EAH AZ80 | Devialet Gemini 2 |
---|---|---|---|
DESIGN | ingress protection (ip) rating | IPX4 | IPX4 |
weight | 14g | 12g | |
has no wires or cables | ✓ | ✓ | |
sweat resistance | ✓ | ✓ | |
has stereo speakers | ✓ | ✓ | |
SOUND QUALITY | has active noise cancellation (noise control) | ✓ | ✓ |
has passive noise reduction | ✓ | ✓ | |
driver unit size | 10mm | 10mm | |
lowest frequency | 20Hz | 5Hz | |
highest frequency | 40,000Hz | 20,000Hz | |
sound pressure level | ✗ | 120dB/mW | |
POWER | battery life | 7.5hours | 5hours |
battery life of charging case | 17.5hours | 17hours | |
charge time | 2hours | 1hours | |
has wireless charging | ✓ | ✓ | |
has a battery level indicator | ✓ | ✓ | |
CONNECTIVITY | has usb type-c | ✓ | ✓ |
bluetooth version | v5.3 | v5.2 | |
maximum bluetooth range | 10meters | 10meters | |
has aac | ✓ | ✓ | |
has ldac | ✓ | ✗ | |
has aptx adaptive | ✗ | ✓ | |
MICROPHONE | number of microphones | 8only | 4only |
has a noise-canceling microphone | ✓ | ✓ | |
EXTRAS | has ambient sound mode | ✓ | ✓ |
has in/on-ear detection | ✓ | ✗ | |
supports fast charging | ✓ | ✓ | |
multipoint count | 3only | 2only | |
has a mute function | ✓ | ✓ | |
control panel placed on a device | ✓ | ✓ | |
warranty period | 1Years | ✗ | |
has voice prompts | ✓ | ✗ | |
travel bag is included | ✓ | ✓ | |
See price on Amazon | See price on Amazon |
Ingress protection ratings is the level of protection given by a casing, against solids and liquids. The letters 'IP' are followed by two values The first value means protection against solids say dust, while the second refers to protection against liquids (water).
Having a value of IPX4, the Devialet Gemini 2's rating for solids indicates that no data available to specify a protection rating, and the second number 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 Devialet Gemini 2, Technics EAH AZ80 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
The Devialet Gemini 2 have a weight of 12g . We take in account a lower weight best because lighter devices are more comfortable to move with.
Technics EAH AZ80, at 14g
are heavier than the Devialet Gemini 2 by of 2g
For a device to be true wireless it must have no cables connecting any part of the device together, Devialet Gemini 2 are true wireless for this matter since they have no cables. This is a key difference as some wireless earbuds have cables connecting the pair of earbuds together.
Technics EAH AZ80 also is true wireless because it doesn't have wires connecting the two earbuds .
Devialet Gemini 2 are resistant to sweat
Technics EAH AZ80's resistance to sweat makes both devices ideal for use during long-distance running, marathons, training in workout bodysuits, etc
Devialet Gemini 2 have stereo speakers, what this means is that Devialet Gemini 2's speakers deliver sound from separate channels on both left and right sides, this creates a richer sound and a better listening experience.
Both Technics EAH AZ80 and Devialet Gemini 2 have stereo speakers
Active noise cancellation utilises advanced technology to actively counter noise. How it works, it detects and analyzes the sound pattern outside and inside the earbud and generates a mirror signal to counter it. Simply put, it's like having +1 (noise) and adding -1 (inverted noise) giving 0 resulting in a reduced level of noise.
Devialet Gemini 2 have ANC enabling you to listen at lower volume levels, causing less ear fatigue since you don't have to crank up the device volume to outcompete background sounds.
The Technics EAH AZ80 too have ANC making both earbuds ideal for flights and morning travels. The Devialet Gemini 2 and Technics EAH AZ80 work with different noise cancellation settings, pick the mode that suits your commute or that suites your chill time.
The Devialet Gemini 2 stay tightly in place, this creates an acoustic covering that reduces your environment sounds and also prevents the device sound from leaking out .
Both of these devices have passive noise reduction this implies that both limit ambient noise instead of actively using ANC to cancel it out.
Devialet Gemini 2 have a unit size of 10mm in diameter, the bigger the unit the more powerful, and can produce better bass.
A driver unit is basically a mini speaker that produces sound in the device, the unit size determines the sound made by the earbuds.
Technics EAH AZ80 driver unit is 10mm in diameter,
making both Technics EAH AZ80, and Devialet Gemini 2 similar in how loud their sound gets
, 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 it's true that, larger drivers are capable of generating louder sound, but this does not indicate that they deliver better quality sound.
The Devialet Gemini 2's lowest frequency is at 5Hz, low-frequency response inidcates how well an audio component generates 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 implies that
Devialet Gemini 2 can produce a juicier bass than the Technics EAH AZ80
The Devialet Gemini 2's highest frequency is at 20,000Hz, high-frequency response tells how well an audio component generates high audible frequencies and if it makes any changes 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 Devialet Gemini 2
SPL, is the level of pressure of sound, in decibels, dB, Devialet Gemini 2's measurement is 120dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
The Devialet Gemini 2's battery life is 5 hours, these last less than 5 hours of listening which is considered average before recharge. A device's battery life is given by the manufacturer, and with more battery hours, you get to use it for longer and have to charge the device less often.
Technics EAH AZ80's battery life is
more than that of Devialet Gemini 2 by 2.5 hours
. 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 vendor, and Devialet Gemini 2's case is said to have a charge of 17 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,
more than that of Devialet Gemini 2 by 0.5 hours
It requires 1 hours to fully charge the Devialet Gemini 2's battery. It is recommended to fully charge the battery before using the earbuds for the first time.
Technics EAH AZ80 takes 2 hours to fully charge the battery,
more than that of Devialet Gemini 2 by 1 hours
Devialet Gemini 2, the device supports wireless charging. To charge the earbuds, you simply place down on a compatible charging pad.
Technics EAH AZ80 also support wireless charging, take note of the charging standard of the earbuds.
The Devialet Gemini 2 have a battery level indicator, an indicator shows you when the device 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, charging indicators enable you to tell the charging state of your earbuds, whether fully charged, or the battery is running low.
The Devialet Gemini 2 use USB TYPE-C, an industry-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.
Devialet Gemini 2 have Bluetooth version of 5.2, Bluetooth is a wireless technology standard that enables 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,
newer than that of Devialet Gemini 2
. Newer versions provide faster data transfers.
The Devialet Gemini 2 have a 10meters distance to connect via Bluetooth.
Technics EAH AZ80 have a maximum range of 10meters,
equal to that of the Devialet Gemini 2
Devialet Gemini 2 support AAC, a codec that is used for Bluetooth audio. It supports 24-bit audio at 250kbps. Since it uses psychoacoustic modeling, it can provide better results than other codecs at the same bit rate.
Being the highest quality codec that any Bluetooth-supporting Apple product supports, the Devialet Gemini 2 will work fine with your iPad. 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.
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 can reach a high bitrate of 990kbps, providing high-resolution audio.
Devialet Gemini 2 support APTX Adaptive, an audio codec for Bluetooth devices that are developed by Qualcomm. It has a variable bit rate (between 279kbps and 420kbps).
Devialet Gemini 2 have 4 microphones.
The Technics EAH AZ80 microphones are 8,
more than that of Devialet Gemini 2 by 4
. More microphones record better sound quality and enable the earbuds to filter out background sounds.
The Devialet Gemini 2 have a noise-canceling microphone, these microphones are intended to filter out noise from the earbuds' sound.
The Technics EAH AZ80 too have a noise-canceling type of microphone. Especially useful in noisy areas.
The Devialet Gemini 2 support ambient sound mode, which uses microphones to channel ambient sound to still be heard even when wearing the earbuds
The Technics EAH AZ80 support ambient sound mode as well, helpful 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 would still want to be able to hear traffic.
Technics EAH AZ80 support in/on-ear detection, the sensors in the earbuds can detect when they are removed from your ears .
The Devialet Gemini 2 support fast charging. Commonly, technologies like MediaTek’s Pump Express, are used to reduce the time it takes to fully charge a device.
Technics EAH AZ80 too support fast charging. It's very similar to regular charging, just that the battery is filling up much faster. For example, with Quick Charge 3.0, the battery can be charged to 50% in just 30 minutes.
The Devialet Gemini 2 have a multipoint of 2 connections, this feature allows you connect to more than one Bluetooth device and switch between them. Say, you can switch calls from one device to another without having to manually disconnect and reconnect.
The Technics EAH AZ80 support multipoint count of 3,
more than that of Devialet Gemini 2 by 1 only
. Bluetooth multipoint is useful because you can be on one call without missing notifications coming from another device.
The Devialet Gemini 2 have a mute function, they have the feature to mute/unmute a conversation directly from the earbuds.
The Technics EAH AZ80 too have this function. The mute function means that you are in position turn off the device's microphone, but you can still hear the other party's voice.
The Devialet Gemini 2, 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.
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 that has followed instruction manuals.
Technics EAH AZ80 support voice prompts. With voice prompts, you receive information via audio messages, say if there is an issue with the connection.
The Devialet Gemini 2 come with their own special case. Carrying earphones openly, or putting them inside your pockets without a casing may easily damage them.
Technics EAH AZ80 also have a case included, which is useful for safe transportation.