A breakdown of the review per specifications

Ingress Protection (Ip) Rating

Bowers & Wilkins PI7 IP54

Marshall Minor III IPX4

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

Scoring IPX4, the Marshall Minor III'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 Marshall Minor III, Bowers & Wilkins PI7 have a rating of IP54 meaning that ingress of dust is not totally prevented but dust does not enter in harmful quantities to interfere with the correct operation or impair safety and that of liquids is that, they both have the same rating against liquids

Weight

Bowers & Wilkins PI7 50g

Marshall Minor III 8g

Marshall Minor III have a weight of 8g . We take in account a lower weight better for the reason that lighter devices are more comfortable to transport.

Bowers & Wilkins PI7, at 50g weigh more than the Marshall Minor III with a difference of 42g

Has No Wires Or Cables

Bowers & Wilkins PI7 ✓

Marshall Minor III ✓

For a device to be true wireless it must have no wires linking any part of the device together, Marshall Minor III are true wireless for this case since they have no wires. This is an important difference since wireless earbuds have wires connecting the 2 earbuds together.

Bowers & Wilkins PI7 also is true wireless because it doesn't have cables connecting the 2 earbuds together.

Sweat Resistance

Bowers & Wilkins PI7 ✗

Marshall Minor III ✓

Marshall Minor III are resistant to sweat

Has Stereo Speakers

Bowers & Wilkins PI7 ✓

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.

Both Bowers & Wilkins PI7 and Marshall Minor III have stereo speakers

Bowers & Wilkins PI7
See price on Amazon

Has Active Noise Cancellation (Noise Control)

Bowers & Wilkins PI7 ✓

Marshall Minor III ✗

ANC makes use of more advanced technology to actively cancel noise. How it works, it studies the sound pattern outside and inside the earbud and after inverts the soundwaves to counter it. In simple terms, it's like having +1 (sound from your surrounding) and producing -1 (inverted noise) giving 0 which results in a reduced level of noise.

The Bowers & Wilkins PI7 have Active Noise Cancellation enabling you to listen at lower volume levels, causing less ear fatigue since you don't need to crank up the device volume to overcome background noise.

Has Passive Noise Reduction

Bowers & Wilkins PI7 ✓

Marshall Minor III ✗

The Bowers & Wilkins PI7 sit tightly in place, this creates an acoustic seal that tones down background noise and also prevents the device voice audio from leaking out at the same.

Driver Unit Size

Bowers & Wilkins PI7 9.2mm

Marshall Minor III 12mm

The Marshall Minor III have a unit size of 12mm 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 dictates the loudness of the device.

Bowers & Wilkins PI7 driver unit is 9.2mm in diameter, which implies that they have a smaller driver unit than that of Marshall Minor III by 2.8mm , 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 it's true that, larger drivers can generate louder sound, but this does not indicate that they deliver better quality sound.

Lowest Frequency

Bowers & Wilkins PI7 10Hz

Marshall Minor III 20Hz

The Marshall Minor III's lowest frequency is at 20Hz, low-frequency response measures if and how well a particular audio component produces low frequencies that can be heard, and if it alters the signal while at it.

Bowers & Wilkins PI7's lowest frequency is at 10Hz, this implies that Bowers & Wilkins PI7 produce a juicier bass than the Marshall Minor III

Highest Frequency

Bowers & Wilkins PI7 20000Hz

Marshall Minor III 20000Hz

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

Bowers & Wilkins PI7's highest frequency is at 20000Hz, this means that both devices can produce equal treble

A Review By Comparison Of The Technics Eah Az80 Vs. Marshall Minor Iii

Battery Life

Bowers & Wilkins PI7 4.5hours

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 usually given by the manufacturer, and with longer battery life, you get to use it for longer and requires fewer chargings.

Bowers & Wilkins PI7's battery life is less than that of Marshall Minor III by 0.5 hours . Each time you recharge your device, 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

Bowers & Wilkins PI7 18hours

Marshall Minor III 25hours

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

Bowers & Wilkins PI7's charging case has a battery life of 18 hours, less than that of Marshall Minor III by 7 hours

Charge Time

Bowers & Wilkins PI7 3hours

Marshall Minor III 1.5hours

It takes 1.5 hours to fully charge the Marshall Minor III's battery. It is highly adivsable to charge fully the battery before using the earbuds for the first time.

Bowers & Wilkins PI7 takes 3 hours to fully charge the battery, more than that of Marshall Minor III by 1.5 hours

Has Wireless Charging

Bowers & Wilkins PI7 ✓

Marshall Minor III ✓

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

Bowers & Wilkins PI7 also support wireless charging, always look out for the charging standard of a device.

Has A Battery Level Indicator

Bowers & Wilkins PI7 ✓

Marshall Minor III ✓

Marshall Minor III have a battery level indicator, an indicator notifies you when the earbuds has a low battery. Its lights indicate the charging state of your earbuds and case.

Bowers & Wilkins PI7 too have a battery level indicator, these allow you to determine the charging state of your earbuds, whether fully charged, or having a low battery.

Bowers & Wilkins PI7
See price on Amazon

Has Usb Type-C

Bowers & Wilkins PI7 ✓

Marshall Minor III ✓

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

Bowers & Wilkins PI7 too have USB TYPE-C. This USB-C plug is part and parcel of most current electronics.

Bluetooth Version

Bowers & Wilkins PI7 v5

Marshall Minor III v5.2

Marshall Minor III 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.

Bowers & Wilkins PI7 has a Bluetooth version of 5, older than that of Marshall Minor III . Newer versions provide faster data transfers.

Maximum Bluetooth Range

Bowers & Wilkins PI7 10meters

Marshall Minor III 10meters

The Marshall Minor III have a 10meters distance connecting via Bluetooth.

Bowers & Wilkins PI7 have a maximum range of 10meters, equal to that of the Marshall Minor III

Has Aac

Bowers & Wilkins PI7 ✓

Marshall Minor III ✗

Bowers & Wilkins PI7 support AAC, a codec 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 Bowers & Wilkins PI7 will work well with your iPhone. If you intend on using these with Android , ensure that they also support aptX HD, LDAC, or LHDC as well.

Has Aptx Adaptive

Bowers & Wilkins PI7 ✓

Marshall Minor III ✗

The Bowers & Wilkins PI7 support APTX Adaptive, an audio codec for Bluetooth devices that are developed by Qualcomm. It has a variable bit rate (between 279kbps and 420kbps).

Has Aptx Hd

Bowers & Wilkins PI7 ✓

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).

Bowers & Wilkins PI7 support APTX HD too.

A Review By Comparison Of The Technics Eah Az60M2 Vs. Marshall Minor Iii

Number Of Microphones

Bowers & Wilkins PI7 6only

Marshall Minor III 2only

The Marshall Minor III have 2 microphones.

Bowers & Wilkins PI7 microphones are 6, more than that of Marshall Minor III by 4 . More microphones record better sound quality and enable the earbuds to filter out noise.

Has A Noise-Canceling Microphone

Bowers & Wilkins PI7 ✓

Marshall Minor III ✗

The Bowers & Wilkins PI7 have a noise-canceling type of microphone, these microphones are made to reduce noise from the earbuds' sound.

Bowers & Wilkins PI7
See price on Amazon

Has Ambient Sound Mode

Bowers & Wilkins PI7 ✓

Marshall Minor III ✗

The Bowers & Wilkins PI7 support ambient sound mode, which uses microphones to channel ambient sound to still be heard even when wearing the earbuds

Has In/On-Ear Detection

Bowers & Wilkins PI7 ✓

Marshall Minor III ✓

The Marshall Minor III 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.

Bowers & Wilkins PI7 too support in/on-ear detection, automatically pauses your music, or audiobook when you remove earbuds from your ears saving battery life.

Has Find Earbuds Feature

Bowers & Wilkins PI7 ✓

Marshall Minor III ✗

If misplaced in a room, or can't easily find them in your bag, the Bowers & Wilkins PI7 support the find earbuds feature.

Supports Fast Charging

Bowers & Wilkins PI7 ✓

Marshall Minor III ✓

The Marshall Minor III support fast charging. Commonly, technologies like MediaTek’s Pump Express, are used to lower the amount of time it takes to charge the earbuds.

Bowers & Wilkins PI7 support fast charging. It's very similar to regular charging, only that the battery is filling up much faster. Say, with Quick Charge 3.0, the battery is charged to 50% in just thirty minutes.

Has A Mute Function

Bowers & Wilkins PI7 ✓

Marshall Minor III ✓

Marshall Minor III have a mute function, they have the feature to mute/unmute a conversation directly from the earbuds.

The Bowers & Wilkins PI7 too have the mute function. It means that you can turn off the earbuds' microphone, but you can still hear the other party talk.

Control Panel Placed On A Device

Bowers & Wilkins PI7 ✓

Marshall Minor III ✓

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

The Bowers & Wilkins PI7 also have a control panel on them.

Has Voice Prompts

Bowers & Wilkins PI7 ✓

Marshall Minor III ✓

Marshall Minor III have voice prompts. With voice prompts, you receive information through audio messages, like if there is an issue with the connection.

Bowers & Wilkins PI7 too support voice prompts meaning the device notifies you when the battery is running low, and it's time to recharge them.

Travel Bag Is Included

Bowers & Wilkins PI7 ✓

Marshall Minor III ✓

Marshall Minor III come with their own special pouch. Carrying earphones openly, or placing them in your pockets without a casing may easily put them at risk of getting damaged.

Bowers & Wilkins PI7 also have a travel bag included, which is useful for safe transportation.

A Review By Comparison Of The Echo Buds 3Rd Generation Vs. Marshall Minor Iii

Category	Features	Bowers & Wilkins PI7	Marshall Minor III
DESIGN	ingress protection (ip) rating	IP54	IPX4
	weight	50g	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	9.2mm	12mm
	lowest frequency	10Hz	20Hz
	highest frequency	20000Hz	20000Hz
POWER	battery life	4.5hours	5hours
	battery life of charging case	18hours	25hours
	charge time	3hours	1.5hours
	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 aptx adaptive	✓	✗
	has aptx hd	✓	✓
MICROPHONE	number of microphones	6only	2only
MICROPHONE	has a noise-canceling microphone	✓	✗
EXTRAS	has ambient sound mode	✓	✗
	has in/on-ear detection	✓	✓
	has find earbuds feature	✓	✗
	supports fast charging	✓	✓
	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. Bowers & Wilkins Pi7

Reasons why you might like the Bowers & Wilkins PI7

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

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

Extras

Has Ambient Sound Mode

Has In/On-Ear Detection

Has Find Earbuds Feature

Supports Fast Charging

Has A Mute Function

Control Panel Placed On A Device

Has Voice Prompts

Travel Bag Is Included

Related Reviews