A breakdown of the review per specifications

Ingress Protection (Ip) Rating

Devialet Gemini IPX4

Technics EAH AZ60 IPX4

IP ratings refer to the rank of protection offered by a casing, against solids and liquids. In the format of IPXX, 'X' represents a number The first value represents protection against solids such as dust, while the second refers to resistance against liquids (water).

Having a value of IPX4, the Devialet Gemini'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.

Compared to the Devialet Gemini, Technics EAH AZ60 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

Weight

Devialet Gemini 8g

Technics EAH AZ60 14g

Devialet Gemini have a weight of 8g . We prefer a lower weight better because lighter devices are more comfortable to carry.

Technics EAH AZ60, at 14g weigh more than the Devialet Gemini by of 6g

Has No Wires Or Cables

Devialet Gemini ✓

Technics EAH AZ60 ✓

For a device to be true wireless it must have no cables connecting any part of the device together, Devialet Gemini are true wireless for this case since they don't have cables. This is a key difference as some wireless earbuds have cables linking the pair of earbuds .

Technics EAH AZ60 also is true wireless since it has no cables connecting the pair of earbuds .

Sweat Resistance

Devialet Gemini ✓

Technics EAH AZ60 ✓

Devialet Gemini have sweat resistance

Technics EAH AZ60's resistance to sweat makes both devices ideal for use while doing sports such as long-distance running, marathons, training in workout bodysuits, etc

Has Stereo Speakers

Devialet Gemini ✓

Technics EAH AZ60 ✓

Devialet Gemini 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 Technics EAH AZ60 also have stereo speakers

Devialet Gemini
See price on Amazon

Has Active Noise Cancellation (Noise Control)

Devialet Gemini ✓

Technics EAH AZ60 ✓

ANC makes use of advanced kind of tech to reduce ambient sounds. How it works, it listens to the sound pattern of incoming noise and then generates a mirror signal to counter it. Simply put, it's like having +1 (noise) and producing -1 (inverted noise) giving 0 thus "diluting" the noise.

The Devialet Gemini have Active Noise Cancellation enabling you to listen at lower levels of volume, causing less ear fatigue since you don't have to crank up the device volume to outcompete background sounds.

Technics EAH AZ60 too have ANC which makes either of the devices ideal for plane rides and rush hour travels. The Devialet Gemini and Technics EAH AZ60 work with different noise cancellation modes, pick the noise cancellation type that suits your commute or that enhances your chill time.

Has Passive Noise Reduction

Devialet Gemini ✓

Technics EAH AZ60 ✓

Devialet Gemini stay tightly in place, creating a sound covering that tones down background sounds while preventing the earbuds music from leaking out .

Both Technics EAH AZ60, and Devialet Gemini have passive noise reduction this means that both tone down ambient noise instead of actively using ANC to cancel it out.

Driver Unit Size

Devialet Gemini 10mm

Technics EAH AZ60 8mm

Devialet Gemini driver unit is 10mm in diameter, the bigger the unit the more powerful, therefor producing better bass. The driver unit is the component that produces sound in the earbuds, its size corellates with the sound made by the device.

Technics EAH AZ60 driver unit is 8mm in diameter, which means that they have a smaller driver unit than that of Devialet Gemini by 2mm , many people have a misconception that driver units of a bigger size automatically produce better sound quality.

However, large drivers usually have difficulty producing high frequencies so yeah, larger drivers can generate louder sound, but this does not indicate that they deliver better quality sound.

Lowest Frequency

Devialet Gemini 5Hz

Technics EAH AZ60 ✗

The Devialet Gemini's lowest frequency is at 5Hz, low-frequency response inidcates how well a particular audio device generates low frequencies that can be heard, and if it makes any changes to the signal while at it.

Highest Frequency

Devialet Gemini 20000Hz

Technics EAH AZ60 ✗

The Devialet Gemini's highest frequency is at 20000Hz, high-frequency response shows how well a particular audio device produces high audible frequencies and if it makes any adjustments to the signal on its way through.

Sound Pressure Level

Devialet Gemini 94dB/mW

Technics EAH AZ60 ✗

SPL, is the pressure level of sound, in decibels, dB, Devialet Gemini's measurement is 94dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.

A Review By Comparison Of The Razer Hammerhead Pro Hyperspeed Vs. Devialet Gemini

Battery Life

Devialet Gemini 6hours

Technics EAH AZ60 7.5hours

The Devialet Gemini's battery life is 6 hours, these last longer than 5 hours of listening which is considered average for a single charge. A device's battery life is usually 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 AZ60's battery life is more than that of Devialet Gemini by 1.5 hours . Each 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 have shorter listening time.

Battery Life Of Charging Case

Devialet Gemini 18hours

Technics EAH AZ60 25hours

The battery life of the charging case is given by the vendor, and Devialet Gemini's case has a charge of 18 hours. A charging case with a longer battery life enables you to recharge your earbuds on the go several times before having to recharge the case itself.

Technics EAH AZ60's charging case has a battery life of 25 hours, more than that of Devialet Gemini by 7 hours

Charge Time

Devialet Gemini 1.5hours

Technics EAH AZ60 2hours

It takes 1.5 hours to fully charge the Devialet Gemini's battery. It is recommended to charge fully the battery before using the earbuds for the first time.

Technics EAH AZ60 takes 2 hours to fully charge the battery, more than that of Devialet Gemini by 0.5 hours

Battery Power

Devialet Gemini 55mAh

Technics EAH AZ60 ✗

Devialet Gemini's battery capacity is 55mAh, battery power, represents the amount of electrical energy that a battery can store.

Has Wireless Charging

Devialet Gemini ✓

Technics EAH AZ60 ✗

The Devialet Gemini, the device supports wireless charging. To charge the earbuds, you simply place down on a compatible charging pad.

Has A Battery Level Indicator

Devialet Gemini ✓

Technics EAH AZ60 ✓

The Devialet Gemini have a battery level indicator, an indicator notifies you when the earbuds has a low battery. The battery indicator lights display the charging state of your device and charging case.

Technics EAH AZ60 too have a battery level indicator, these allow you to determine the charging state of your earbuds, if charged fully, or having a low battery.

Devialet Gemini
See price on Amazon

Has Usb Type-C

Devialet Gemini ✓

Technics EAH AZ60 ✓

Devialet Gemini have USB TYPE-C, an industry-standard connector for transmitting both data and power in a single cable.

Technics EAH AZ60 too have USB TYPE-C. This USB-C plug comes along with most current electronics.

Bluetooth Version

Devialet Gemini v5

Technics EAH AZ60 v5.2

Devialet Gemini have Bluetooth version of 5, Bluetooth is a wireless technology standard that allows data movement between devices placed in range, using short-wavelength, ultra-high frequency radio waves.

Technics EAH AZ60 has a Bluetooth version of 5.2, newer than that of Devialet Gemini . Newer versions provide faster data transfers.

Maximum Bluetooth Range

Devialet Gemini 10meters

Technics EAH AZ60 10meters

Devialet Gemini have a 10meters distance connecting via Bluetooth.

Technics EAH AZ60 have a maximum range of 10meters, equal to that of the Devialet Gemini

Has Aac

Devialet Gemini ✓

Technics EAH AZ60 ✓

Devialet Gemini 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 the same bit rate.

Being the highest quality codec that any Bluetooth-supporting Apple product supports, the Devialet Gemini will work well with your MacBook. 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 AZ60 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.

Has Ldac

Devialet Gemini ✗

Technics EAH AZ60 ✓

The Technics EAH AZ60 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.

Has Aptx Adaptive

Devialet Gemini ✓

Technics EAH AZ60 ✗

The Devialet Gemini support APTX Adaptive, an audio codec for Bluetooth devices that are developed by Qualcomm. It has a variable bit rate (between 279kbps and 420kbps).

A Review By Comparison Of The Razer Hammerhead Pro Hyperspeed Vs. Devialet Gemini

Number Of Microphones

Devialet Gemini 2only

Technics EAH AZ60 8only

Devialet Gemini have 2 microphones.

The Technics EAH AZ60 microphones are 8, more than that of Devialet Gemini by 6 . More microphones result in better sound quality and enable the earbuds to filter out background sounds.

Has A Noise-Canceling Microphone

Devialet Gemini ✓

Technics EAH AZ60 ✓

Devialet Gemini use a noise-canceling type of microphone, these microphones are intended to reduce noise from the earbuds' sound.

The Technics EAH AZ60 too use a noise-canceling microphone. Especially useful in noisy areas.

Devialet Gemini
See price on Amazon

Has Ambient Sound Mode

Devialet Gemini ✓

Technics EAH AZ60 ✓

Devialet Gemini support ambient sound mode, which uses microphones to channel ambient sound to still be heard even while wearing them

The Technics EAH AZ60 support ambient sound mode as well, helpful when you want to listen to music while being aware of your surrounding, say you’re having a jog but would still want to be able to hear traffic.

Has In/On-Ear Detection

Devialet Gemini ✓

Technics EAH AZ60 ✗

Devialet Gemini have in/on-ear detection, the sensors in the earbuds can detect when they are removed from your ears .

Has Find Earbuds Feature

Devialet Gemini ✓

Technics EAH AZ60 ✗

If lost in a room, or can't easily find them in your bag, the Devialet Gemini support the find earbuds feature.

Supports Fast Charging

Devialet Gemini ✓

Technics EAH AZ60 ✓

Devialet Gemini support fast charging. Most often, technologies like Qualcomm’s Quick Charge, are used to lower the time it takes to charge the earbuds.

Technics EAH AZ60 too support fast charging. It's very similar to regular charging, just that the battery is filling up much faster. Say, with Quick Charge 3.0, the battery can be charged to 50% in thirty minutes.

Multipoint Count

Devialet Gemini ✗

Technics EAH AZ60 2only

Technics EAH AZ60 have a multipoint of 2 connections, this 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.

Has A Mute Function

Devialet Gemini ✗

Technics EAH AZ60 ✓

The Technics EAH AZ60 have a mute function, they have the feature to mute/unmute a conversation directly from the device.

Control Panel Placed On A Device

Devialet Gemini ✓

Technics EAH AZ60 ✓

The Devialet Gemini, so you can easily access the volume control, pause, play, mute, etc whichever features are supported on the earbuds.

Technics EAH AZ60 too have a control panel on them.

Warranty Period

Devialet Gemini 2Years

Technics EAH AZ60 ✗

The Devialet Gemini 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.

Has Voice Prompts

Devialet Gemini ✓

Technics EAH AZ60 ✓

The Devialet Gemini support voice prompts. Automatically receive information through audio messages, say if there is an issue with the connection.

The Technics EAH AZ60 too support voice prompts .i.e the device will notify you if the battery is running low, and you need to recharge the earbuds.

Travel Bag Is Included

Devialet Gemini ✓

Technics EAH AZ60 ✓

Devialet Gemini come with a special case. Carrying earbuds without a case, or placing them inside your bag without a casing may easily damage them.

Technics EAH AZ60 also have a travel bag included, which offers safe transportation.

A Review By Comparison Of The Jbl Wave Beam Vs. Devialet Gemini

Category	Features	Devialet Gemini	Technics EAH AZ60
DESIGN	ingress protection (ip) rating	IPX4	IPX4
	weight	8g	14g
	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	8mm
	lowest frequency	5Hz	✗
	highest frequency	20000Hz	✗
	sound pressure level	94dB/mW	✗
POWER	battery life	6hours	7.5hours
	battery life of charging case	18hours	25hours
	charge time	1.5hours	2hours
	battery power	55mAh	✗
	has wireless charging	✓	✗
	has a battery level indicator	✓	✓
CONNECTIVITY	has usb type-c	✓	✓
	bluetooth version	v5	v5.2
	maximum bluetooth range	10meters	10meters
	has aac	✓	✓
	has ldac	✗	✓
	has aptx adaptive	✓	✗
MICROPHONE	number of microphones	2only	8only
MICROPHONE	has a noise-canceling microphone	✓	✓
EXTRAS	has ambient sound mode	✓	✓
	has in/on-ear detection	✓	✗
	has find earbuds feature	✓	✗
	supports fast charging	✓	✓
	multipoint count	✗	2only
	has a mute function	✗	✓
	control panel placed on a device	✓	✓
	warranty period	2Years	✗
	has voice prompts	✓	✓
	travel bag is included	✓	✓
		See price on Amazon	See price on Amazon

A Review By Comparison of the Devialet Gemini Vs. Technics Eah Az60

Reasons why you might like the Devialet Gemini

Reasons why you might like the Technics EAH AZ60

A summary of the review by feature comparison

A breakdown of the review per specifications

Design

Ingress Protection (Ip) Rating

Weight

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

Lowest Frequency

Highest Frequency

Sound Pressure Level

Power

Battery Life

Battery Life Of Charging Case

Charge Time

Battery Power

Has Wireless Charging

Has A Battery Level Indicator

Connectivity

Has Usb Type-C

Bluetooth Version

Maximum Bluetooth Range

Has Aac

Has Ldac

Has Aptx Adaptive

Microphone

Number Of Microphones

Has A Noise-Canceling Microphone

Extras

Has Ambient Sound Mode

Has In/On-Ear Detection

Has Find Earbuds Feature

Supports Fast Charging

Multipoint Count

Has A Mute Function

Control Panel Placed On A Device

Warranty Period

Has Voice Prompts

Travel Bag Is Included

Related Reviews