A breakdown of the review per specifications

Ingress Protection (Ip) Rating

Audio Technica ATH TWX9 IPX4

Marshall Minor III IPX4

IP ratings is the rating of protection given by an enclosure, against dust and water. The letters 'IP' are followed by two values The first value represents protection against solids say dust, while the second refers to resistance against liquids (sweat).

Scoring IPX4, the Marshall Minor III's rating is read as, the first value 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 Marshall Minor III, 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

Marshall Minor III 8g

The Marshall Minor III have a weight of 8g . We consider a lower weight best because lighter devices are more comfortable to transport.

Audio Technica ATH TWX9, at 10.8g weigh more than the Marshall Minor III by of 2.8g

Has No Wires Or Cables

Audio Technica ATH TWX9 ✓

Marshall Minor III ✓

True wireless devices have no cables connecting any part of the device together, Marshall Minor III are true wireless for this case since they don't have wires. This is a major difference since wireless earbuds have wires linking the two earbuds .

Audio Technica ATH TWX9 also is true wireless since it has no wires connecting the pair of earbuds together.

Sweat Resistance

Audio Technica ATH TWX9 ✓

Marshall Minor III ✓

Marshall Minor III have sweat resistance

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 ✓

Marshall Minor III ✓

Marshall Minor III 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 Audio Technica ATH TWX9 also have stereo speakers

Audio Technica ATH TWX9
See price on Amazon

Has Active Noise Cancellation (Noise Control)

Audio Technica ATH TWX9 ✓

Marshall Minor III ✗

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 inverts the soundwaves to cancel it out. In simple terms, it's like taking +1 (sound from your surrounding) then producing -1 (counter sound by the device) giving zero hence "diluting" the noise.

Audio Technica ATH TWX9 have ANC enabling you to listen at lower volume levels, good for your ears as you don't have to crank up the device volume to outcompete background sounds.

Has Passive Noise Reduction

Audio Technica ATH TWX9 ✓

Marshall Minor III ✗

Audio Technica ATH TWX9 sit tightly in place, creating a sound covering that tones down background sounds and also prevents the device voice audio from leaking out .

Driver Unit Size

Audio Technica ATH TWX9 5.8mm

Marshall Minor III 12mm

Marshall Minor III driver unit is 12mm in diameter, bigger drivers are more powerful, and can produce better bass. A driver unit is basically a mini speaker that makes sound in the earbuds, its size corellates with the sound made 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 Marshall Minor III by 6.2mm , 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 indicate that they produce better quality sound.

Lowest Frequency

Audio Technica ATH TWX9 20Hz

Marshall Minor III 20Hz

Marshall Minor III's lowest frequency is at 20Hz, 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.

Audio Technica ATH TWX9's lowest frequency is at 20Hz, this means that both devices produce equal bass

Highest Frequency

Audio Technica ATH TWX9 40000Hz

Marshall Minor III 20000Hz

Marshall Minor III's highest frequency is at 20000Hz, high-frequency response tells how well a particular audio component generates high audible frequencies and if it adjustments to the signal on its way through.

Audio Technica ATH TWX9's highest frequency is at 40000Hz, this means that Audio Technica ATH TWX9 can generate a clearer and crispier treble than the Marshall Minor III

Sound Pressure Level

Audio Technica ATH TWX9 102dB/mW

Marshall Minor III ✗

SPL, is the pressure level of sound, 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

Marshall Minor III 5hours

The Marshall Minor III's battery life is 5 hours, these last less 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 more battery hours, you get to use it for longer and requires fewer chargings.

Audio Technica ATH TWX9's battery life is more than that of Marshall Minor III by 1 hours . Each time you recharge your device, they get a little less listening 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

Audio Technica ATH TWX9 18.5hours

Marshall Minor III 25hours

The battery life of the charging case is given by the manufacturer, and Marshall Minor III's case has a full charge of 25 hours. A charging case with more battery hours allows you to recharge your earbuds on the go many times before recharging the case itself.

Audio Technica ATH TWX9's charging case has a battery life of 18.5 hours, less than that of Marshall Minor III by 6.5 hours

Charge Time

Audio Technica ATH TWX9 2.5hours

Marshall Minor III 1.5hours

It requires 1.5 hours to fully charge the Marshall Minor III's battery. It is recommended to fully charge the battery before using the earbuds when they have been in storage for extended periods.

Audio Technica ATH TWX9 takes 2.5 hours to fully charge the battery, more than that of Marshall Minor III by 1 hours

Has Wireless Charging

Audio Technica ATH TWX9 ✗

Marshall Minor III ✓

The Marshall Minor III, the device supports wireless charging. To charge the device, you simply put down on a compatible charging pad.

Has A Battery Level Indicator

Audio Technica ATH TWX9 ✓

Audio Technica ATH TWX9 ✗

Marshall Minor III ✓

The Marshall Minor III support APTX HD, an audio codec for Bluetooth devices that are developed by Qualcomm. It supports high-quality 24-bit audio (at a bit rate of 576kbps).

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Number Of Microphones

Audio Technica ATH TWX9 4only

Marshall Minor III 2only

Marshall Minor III have 2 microphones.

Audio Technica ATH TWX9 microphones are 4, more than that of Marshall Minor III by 2 . More microphones result in better sound quality and help the earbuds to filter out noise.

Has A Noise-Canceling Microphone

Audio Technica ATH TWX9 ✓

Marshall Minor III ✗

Audio Technica ATH TWX9 use a noise-canceling type of microphone, these microphones are intended to filter out noise from the desired sound.

Mic Sensitivity

Audio Technica ATH TWX9 -38dBV/Pa

Marshall Minor III ✗

Audio Technica ATH TWX9 microphone sensitivity is measured at -38dBV/Pa. The extent 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 earbud microphone can pick up.

Highest Mic Frequency

Audio Technica ATH TWX9 16000Hz

Marshall Minor III ✗

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

Lowest Mic Frequency

Audio Technica ATH TWX9 100Hz

Category	Features	Audio Technica ATH TWX9	Marshall Minor III
DESIGN	ingress protection (ip) rating	IPX4	IPX4
	weight	10.8g	8g
	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	12mm
	lowest frequency	20Hz	20Hz
	highest frequency	40000Hz	20000Hz
	sound pressure level	102dB/mW	✗
POWER	battery life	6hours	5hours
	battery life of charging case	18.5hours	25hours
	charge time	2.5hours	1.5hours
	has wireless charging	✗	✓
	has a battery level indicator	✓	✓
CONNECTIVITY	has usb type-c	✓	✓
	bluetooth version	v5.2	v5.2
	maximum bluetooth range	10meters	10meters
	has aac	✓	✗
	has aptx adaptive	✓	✗
	has aptx hd	✗	✓
MICROPHONE	number of microphones	4only	2only
	has a noise-canceling microphone	✓	✗
	mic sensitivity	-38dBV/Pa	✗
	highest mic frequency	16000Hz	✗
	lowest mic frequency	100Hz	✗
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	✓	✓
	has voice prompts	✓	✓
	travel bag is included	✓	✓
		See price on Amazon	See price on Amazon

A Review By Comparison of the Marshall Minor Iii Vs. Audio Technica Ath Twx9

Reasons why you might like the Audio Technica ATH TWX9

Reasons why you might like the Marshall Minor III

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 Wireless Charging

Has A Battery Level Indicator

Connectivity

Has Usb Type-C

Bluetooth Version

Maximum Bluetooth Range

Has Aac

Has Aptx Adaptive

Has Aptx Hd

Microphone

Number Of Microphones

Has A Noise-Canceling Microphone

Mic Sensitivity

Highest Mic Frequency

Lowest Mic Frequency

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

Has Voice Prompts

Travel Bag Is Included

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