A breakdown of the review per specifications

Ingress Protection (Ip) Rating

Audio Technica ATH TWX9 IPX4

Technics EAH AZ60 IPX4

IP ratings is the rating of protection offered by an enclosure, against dust and liquids. In the format of IPXX, 'X' represents a number The first value means protection against solids say dust, followed by the one that refers to resistance against liquids (sweat).

Scoring IPX4, the Technics EAH AZ60's rating is read as, the first number of X denotes 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 Technics EAH AZ60, Audio Technica ATH TWX9 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

Audio Technica ATH TWX9 10.8g

Technics EAH AZ60 14g

The Technics EAH AZ60 have a weight of 14g . We take in account a lower weight best because lighter devices are more comfortable to move with.

Audio Technica ATH TWX9, at 10.8g weigh less than the Technics EAH AZ60 by -3.2g

Has No Wires Or Cables

Audio Technica ATH TWX9 ✓

Technics EAH AZ60 ✓

For a device to be true wireless it should have no wires connecting any part of the device together, Technics EAH AZ60 are true wireless for this case since they don't have cables. This is a key difference since wireless earbuds have wires linking the 2 earbuds together.

Audio Technica ATH TWX9 also is true wireless since it has no wires linking the two earbuds together.

Sweat Resistance

Audio Technica ATH TWX9 ✓

Technics EAH AZ60 ✓

Technics EAH AZ60 are resistant to sweat

Audio Technica ATH TWX9's resistance to sweat makes both devices good for use while doing sports such as long-distance running, marathons, training in workout bodysuits, etc

Has Stereo Speakers

Audio Technica ATH TWX9 ✓

Technics EAH AZ60 ✓

Technics EAH AZ60 have stereo speakers, what this means is that Technics EAH AZ60's speakers deliver sound from separate channels on both left and right sides, creating a richer sound and a better listening experience.

The Audio Technica ATH TWX9 also have stereo speakers

Audio Technica ATH TWX9
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Has Active Noise Cancellation (Noise Control)

Audio Technica ATH TWX9 ✓

Technics EAH AZ60 ✓

ANC utilises advanced technology to actively cancel noise. ANC works when, it studies the sound pattern outside and inside the earbud and after generates a mirror signal to cancel it out. In simple terms, it's like having +1 (sound from your surrounding) then producing -1 (counter sound by the device) to make zero resulting in a reduced level of noise.

The Technics EAH AZ60 have Active Noise Cancellation enabling you to listen at lower levels of volume, causing less ear fatigue since you don't need to crank up the earbuds volume to outcompete background sounds.

The Audio Technica ATH TWX9 too have ANC making either of the devices ideal for plane rides and rush hour travels. The Technics EAH AZ60 and Audio Technica ATH TWX9 operate with different noise cancellation types, pick the mode that you prefer for travel or that enhances your chill time.

Has Passive Noise Reduction

Audio Technica ATH TWX9 ✓

Technics EAH AZ60 ✓

Technics EAH AZ60 sit tightly in place, this creates a sound covering that reduces background noise and also prevents the device music from leaking out at the same.

Both Audio Technica ATH TWX9, and Technics EAH AZ60 have passive noise reduction this means that both tone down ambient noise instead of actively using technology to cancel it out.

Driver Unit Size

Audio Technica ATH TWX9 5.8mm

Technics EAH AZ60 8mm

The Technics EAH AZ60 have a unit size of 8mm in diameter, bigger drivers are more powerful, and can produce better bass. A driver unit is basically a mini speaker that produces sound in the device, its size corellates with the sound produced by the device.

Audio Technica ATH TWX9 driver unit is 5.8mm in diameter, which implies that they have a smaller driver unit than that of Technics EAH AZ60 by 2.2mm , many people have a misconception that driver units of a bigger size automatically produce better sound quality.

However, large drivers find it difficult to produce high frequencies so yes, larger drivers are capable of generating louder sound, but this does not mean that they produce better quality sound.

Lowest Frequency

Audio Technica ATH TWX9 20Hz

Technics EAH AZ60 ✗

The Audio Technica ATH TWX9's lowest frequency is at 20Hz, low-frequency response measures if and how well an audio component produces low recognizable frequencies and if it alters the signal while at it.

Highest Frequency

Audio Technica ATH TWX9 40000Hz

Technics EAH AZ60 ✗

Audio Technica ATH TWX9's highest frequency is at 40000Hz, high-frequency response shows how well a particular audio device produces high human frequencies and if it makes any changes to the signal while at it.

Sound Pressure Level

Audio Technica ATH TWX9 102dB/mW

Technics EAH AZ60 ✗

SPL, is the pressure level of sound, measured in decibels, dB, Audio Technica ATH TWX9's measurement is 102dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.

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Battery Life

Audio Technica ATH TWX9 6hours

Technics EAH AZ60 7.5hours

Technics EAH AZ60'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 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.

Audio Technica ATH TWX9's battery life is less than that of Technics EAH AZ60 by 1.5 hours . Every time you recharge your earbuds, they get a little less listening time. The effect is barely noticeable at first, but over time, your wireless earbuds will no longer play for long like they used to.

Battery Life Of Charging Case

Audio Technica ATH TWX9 18.5hours

Technics EAH AZ60 25hours

The battery life of the charging case is given by the vendor, and the Technics EAH AZ60's case has a full charge of 25 hours. A charging case with a longer battery life allows you to recharge your earbuds on the go several times before having to recharge the case itself.

Audio Technica ATH TWX9's charging case has a battery life of 18.5 hours, less than that of Technics EAH AZ60 by 6.5 hours

Charge Time

Audio Technica ATH TWX9 2.5hours

Technics EAH AZ60 2hours

It takes 2 hours to fully charge the Technics EAH AZ60's battery. It is recommended to charge fully the battery before using the earbuds for the first time.

Audio Technica ATH TWX9 takes 2.5 hours to fully charge the battery, more than that of Technics EAH AZ60 by 0.5 hours

Has A Battery Level Indicator

Audio Technica ATH TWX9 ✓

Technics EAH AZ60 ✓

Technics EAH AZ60 have a battery level indicator, an indicator shows you when the device has a low battery. The battery indicator lights display the charging state of your earbuds and case.

Audio Technica ATH TWX9 too have a battery level indicator, these enable you to determine the charging state of your earbuds, whether fully charged, or having a low battery.

Audio Technica ATH TWX9
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Has Usb Type-C

Audio Technica ATH TWX9 ✓

Technics EAH AZ60 ✓

Technics EAH AZ60 support USB TYPE-C, a standard connector for transmitting both data and power in a single cable.

Audio Technica ATH TWX9 too use USB TYPE-C. This USB-C plug comes along with most current electronics.

Bluetooth Version

Audio Technica ATH TWX9 v5.2

Technics EAH AZ60 v5.2

The Technics EAH AZ60 have Bluetooth version of 5.2, Bluetooth is a wireless technology standard that enables data movement between devices placed in range, using short-wavelength, ultra-high frequency radio waves.

Audio Technica ATH TWX9 has a Bluetooth version of 5.2, equal to that of the Technics EAH AZ60 . Newer versions provide faster data transfers.

Maximum Bluetooth Range

Audio Technica ATH TWX9 10meters

Technics EAH AZ60 10meters

The Technics EAH AZ60 have a 10meters distance to connect via Bluetooth.

Audio Technica ATH TWX9 have a maximum range of 10meters, equal to that of the Technics EAH AZ60

Has Aac

Audio Technica ATH TWX9 ✓

Technics EAH AZ60 ✓

Technics EAH AZ60 support AAC, a codec that is used for Bluetooth audio. It supports 24-bit audio at 250kbps. Because 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 Technics EAH AZ60 will work fine with your iPad. If you intend on using these with Android , ensure that they also support aptX HD, LDAC, or LHDC as well.

The Audio Technica ATH TWX9 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

Audio Technica ATH TWX9 ✗

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

Audio Technica ATH TWX9 ✓

Technics EAH AZ60 ✗

Audio Technica ATH TWX9 support APTX Adaptive, an audio codec for Bluetooth devices that are developed by Qualcomm. It has a variable bit rate (between 279kbps and 420kbps).

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Number Of Microphones

Audio Technica ATH TWX9 4only

Technics EAH AZ60 8only

Technics EAH AZ60 have 8 microphones.

Audio Technica ATH TWX9 microphones are 4, less than that of Technics EAH AZ60 by 4 . More microphones result in better sound quality and help the device to filter out background sounds.

Has A Noise-Canceling Microphone

Audio Technica ATH TWX9 ✓

Technics EAH AZ60 ✓

The Technics EAH AZ60 use a noise-canceling type of microphone, these microphones are designed to filter out background sounds from the earbuds' sound.

The Audio Technica ATH TWX9 too use a noise-canceling type of microphone. Especially useful in noisy environments.

Mic Sensitivity

Audio Technica ATH TWX9 -38dBV/Pa

Technics EAH AZ60 ✗

The Audio Technica ATH TWX9 microphone sensitivity is measured at -38dBV/Pa. The vastness of the analog or digital output signal from the microphone with its input stimulus is a calculation of its sensitivity. It's the 'loudness' of the sound that the microphone can recognize.

Highest Mic Frequency

Audio Technica ATH TWX9 16000Hz

Technics EAH AZ60 ✗

The Audio Technica ATH TWX9's highest mic frequency is 16000Hz, high frequencies are best for picking up treble. The highest mic frequency of a microphone is known as its upper limiting frequency.

Lowest Mic Frequency

Audio Technica ATH TWX9 100Hz

Technics EAH AZ60 ✗

The Audio Technica ATH TWX9'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.

Audio Technica ATH TWX9
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Has Ambient Sound Mode

Audio Technica ATH TWX9 ✓

Technics EAH AZ60 ✓

Technics EAH AZ60 support ambient sound mode, which uses microphones to channel ambient noises to still be heard even when wearing them

The Audio Technica ATH TWX9 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 jog but still want to hear traffic.

Has Find Earbuds Feature

Audio Technica ATH TWX9 ✓

Technics EAH AZ60 ✗

If misplaced in a room, or can't be found in your bag, the Audio Technica ATH TWX9 support the find earbuds feature.

Supports Fast Charging

Audio Technica ATH TWX9 ✓

Technics EAH AZ60 ✓

The Technics EAH AZ60 support fast charging. Most often, technologies like Qualcomm’s Quick Charge, are used to reduce the time it takes to fully charge a device.

The Audio Technica ATH TWX9 too support fast charging. It's very similar to regular charging, just that the battery fills up much faster. For example, with Quick Charge 3.0, the battery can be charged to 50% in 30 minutes.

Multipoint Count

Audio Technica ATH TWX9 2only

Technics EAH AZ60 2only

Technics EAH AZ60 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 having to manually disconnect and reconnect.

The Audio Technica ATH TWX9 support multipoint count of 2, equal to that of the Technics EAH AZ60 . Bluetooth multipoint is useful because you can be on one call without missing notifications coming from another device.

Has A Mute Function

Audio Technica ATH TWX9 ✓

Technics EAH AZ60 ✓

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

The Audio Technica ATH TWX9 too have the mute function. The mute function means that you are in position turn off the device's microphone, but still hear the other party's voice.

Control Panel Placed On A Device

Audio Technica ATH TWX9 ✓

Technics EAH AZ60 ✓

The Technics EAH AZ60, so you can easily access the volume control, pause, play, mute, etc whichever features are supported on the earbuds.

Audio Technica ATH TWX9 also have a control panel on them.

Has Voice Prompts

Audio Technica ATH TWX9 ✓

Technics EAH AZ60 ✓

Technics EAH AZ60 have voice prompts. Automatically receive information via audio messages, like if there is a problem with the connection.

Audio Technica ATH TWX9 too have voice prompts .i.e the earbuds will notify you when the battery is low, and you need to recharge the device.

Travel Bag Is Included

Audio Technica ATH TWX9 ✓

Technics EAH AZ60 ✓

The Technics EAH AZ60 come with their own special pouch. Carrying earphones without a case, or placing them inside your pockets without a cover may easily damage them.

Audio Technica ATH TWX9 too have a case included, which is useful for safe transportation.

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Category	Features	Audio Technica ATH TWX9	Technics EAH AZ60
DESIGN	ingress protection (ip) rating	IPX4	IPX4
	weight	10.8g	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	5.8mm	8mm
	lowest frequency	20Hz	✗
	highest frequency	40000Hz	✗
	sound pressure level	102dB/mW	✗
POWER	battery life	6hours	7.5hours
	battery life of charging case	18.5hours	25hours
	charge time	2.5hours	2hours
	has a battery level indicator	✓	✓
CONNECTIVITY	has usb type-c	✓	✓
	bluetooth version	v5.2	v5.2
	maximum bluetooth range	10meters	10meters
	has aac	✓	✓
	has ldac	✗	✓
	has aptx adaptive	✓	✗
MICROPHONE	number of microphones	4only	8only
	has a noise-canceling microphone	✓	✓
	mic sensitivity	-38dBV/Pa	✗
	highest mic frequency	16000Hz	✗
	lowest mic frequency	100Hz	✗
EXTRAS	has ambient sound mode	✓	✓
	has find earbuds feature	✓	✗
	supports fast charging	✓	✓
	multipoint count	2only	2only
	has a mute function	✓	✓
	control panel placed on a device	✓	✓
	has voice prompts	✓	✓
	travel bag is included	✓	✓
		See price on Amazon	See price on Amazon

A Review By Comparison of the Technics Eah Az60 Vs. Audio Technica Ath Twx9

Reasons why you might like the Audio Technica ATH TWX9

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

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

Mic Sensitivity

Highest Mic Frequency

Lowest Mic Frequency

Extras

Has Ambient Sound Mode

Has Find Earbuds Feature

Supports Fast Charging

Multipoint Count

Has A Mute Function

Control Panel Placed On A Device

Has Voice Prompts

Travel Bag Is Included

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