A breakdown of the review per specifications

Ingress Protection (Ip) Rating

Bowers & Wilkins PI7 IP54

OnePlus Buds Z2 IP55

Ingress protection ratings is the rank of protection offered by an enclosure, against dust and liquids. The letters 'IP' are followed by two values The first value of the IP rating represents protection against solids say dust, followed by the one that refers to resistance against liquids (sweat).

Scoring IP55, the OnePlus Buds Z2's rating for solids indicates 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 the second value of 5 means that they can withstand medium pressure jet that's 6.3mm diameter, similar to garden hose from any angle for 3 minutes at a distance of 2.5 to 3 metres.

Compared to the OnePlus Buds Z2, Bowers & Wilkins PI7 have a rating of IP54 meaning that they both have the same rating against dust and that of liquids is that, OnePlus Buds Z2 has a higher liquid rating than Bowers & Wilkins PI7

Weight

Bowers & Wilkins PI7 50g

OnePlus Buds Z2 9g

The OnePlus Buds Z2 have a weight of 9g . We prefer a lower weight best because lighter devices are more comfortable to carry.

Bowers & Wilkins PI7, at 50g are heavier than the OnePlus Buds Z2 by of 41g

Has No Wires Or Cables

Bowers & Wilkins PI7 ✓

OnePlus Buds Z2 ✓

True wireless devices have no cables connecting any part of the device together, OnePlus Buds Z2 are true wireless for this case since they don't have cables. This is an important distinction as some wireless earbuds have cables linking the two earbuds .

Bowers & Wilkins PI7 also is true wireless because it doesn't have wires linking the pair of earbuds together.

Sweat Resistance

Bowers & Wilkins PI7 ✗

OnePlus Buds Z2 ✓

OnePlus Buds Z2 have sweat resistance

Has Stereo Speakers

Bowers & Wilkins PI7 ✓

OnePlus Buds Z2 ✓

OnePlus Buds Z2 have stereo speakers, what this means is that OnePlus Buds Z2's 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 OnePlus Buds Z2 have stereo speakers

Bowers & Wilkins PI7
See price on Amazon

Has Active Noise Cancellation (Noise Control)

Bowers & Wilkins PI7 ✓

OnePlus Buds Z2 ✓

Active noise cancellation uses advanced kind of tech to actively cancel noise. How it works, it detects and analyzes the sound pattern of incoming noise and after inverts the soundwaves to counter it. In simple terms, it's like taking +1 (noise) then adding -1 (inverted noise) giving zero which results in a reduced level of noise.

OnePlus Buds Z2 have Active Noise Cancellation enabling you to listen at lower volume levels, good for your ears as you don't need to crank up the earbuds volume to outcompete background noise.

The Bowers & Wilkins PI7 too have ANC which makes both earbuds ideal for flights and morning commutes. The OnePlus Buds Z2 and Bowers & Wilkins PI7 work with different noise cancellation modes, pick the setting that you prefer for travel or that suites your relaxation time.

Has Passive Noise Reduction

Bowers & Wilkins PI7 ✓

OnePlus Buds Z2 ✓

The OnePlus Buds Z2 stay well in place, creating an acoustic seal that tones down background noise and also prevents the device sound from leaking out at the same.

Both Bowers & Wilkins PI7, and OnePlus Buds Z2 have passive noise reduction this implies that both tone down ambient noise without using ANC to cancel it out.

Driver Unit Size

Bowers & Wilkins PI7 9.2mm

OnePlus Buds Z2 11mm

The OnePlus Buds Z2 driver unit is 11mm 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, the unit size dictates the sound produced by the earbuds.

Bowers & Wilkins PI7 driver unit is 9.2mm in diameter, which implies that they have a smaller driver unit than that of OnePlus Buds Z2 by 1.8mm , 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 yes, larger drivers are capable of generating louder sound, but this does not indicate that they produce better quality sound.

Lowest Frequency

Bowers & Wilkins PI7 10Hz

OnePlus Buds Z2 20Hz

The OnePlus Buds Z2's lowest frequency is at 20Hz, low-frequency response inidcates how well an audio device produces low recognizable frequencies and if it makes any changes to the signal while at it.

Bowers & Wilkins PI7's lowest frequency is at 10Hz, this means that Bowers & Wilkins PI7 make sound with a juicier bass than the OnePlus Buds Z2

Highest Frequency

Bowers & Wilkins PI7 20000Hz

OnePlus Buds Z2 20000Hz

OnePlus Buds Z2's highest frequency is at 20000Hz, high-frequency response measures if and how well a particular audio device makes high recognizable frequencies and if it makes any adjustments to the signal on its way through.

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

A Review By Comparison Of The Echo Buds 3Rd Generation Vs. Oneplus Buds Z2

Battery Life

Bowers & Wilkins PI7 4.5hours

OnePlus Buds Z2 7hours

OnePlus Buds Z2's battery life is 7 hours, these last longer 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.

Bowers & Wilkins PI7's battery life is less than that of OnePlus Buds Z2 by 2.5 hours . Every time you recharge your device, they get a little less listening time. The effect is barely noticeable at first, but over time, your wireless earbuds will have shorter listening time.

Battery Life Of Charging Case

Bowers & Wilkins PI7 18hours

OnePlus Buds Z2 31hours

This is given by the vendor, and the OnePlus Buds Z2's case is said to have a charge of 31 hours. A charging case with more battery hours enables you to recharge your earbuds on the go multiple times before having to recharge the case itself.

Bowers & Wilkins PI7's charging case has a battery life of 18 hours, less than that of OnePlus Buds Z2 by 13 hours

Charge Time

Bowers & Wilkins PI7 3hours

OnePlus Buds Z2 1.5hours

It requires 1.5 hours to fully charge the OnePlus Buds Z2's battery. It is highly adivsable to fully charge the battery before using the earbuds when they have been unused for extended periods.

Bowers & Wilkins PI7 takes 3 hours to fully charge the battery, more than that of OnePlus Buds Z2 by 1.5 hours

Battery Power

Bowers & Wilkins PI7 ✗

OnePlus Buds Z2 40mAh

OnePlus Buds Z2's battery power is 40mAh, battery capacity, shows the amount of electrical energy that a battery can store.

Has Wireless Charging

Bowers & Wilkins PI7 ✓

OnePlus Buds Z2 ✗

The Bowers & Wilkins PI7, the device supports wireless charging. To charge the earbuds, you simply put down on a supported charging pad.

Has A Battery Level Indicator

Bowers & Wilkins PI7 ✓

OnePlus Buds Z2 ✓

The OnePlus Buds Z2 have a battery level indicator, an indicator shows you when the earbuds has a low battery. Its lights indicate the charging state of your earbuds and charging case.

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

Bowers & Wilkins PI7
See price on Amazon

Has Usb Type-C

Bowers & Wilkins PI7 ✓

OnePlus Buds Z2 ✓

The OnePlus Buds Z2 use USB TYPE-C, an industry-standard connector for transmitting both data and power through a single cable.

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

Bluetooth Version

Bowers & Wilkins PI7 v5

OnePlus Buds Z2 v5.2

The OnePlus Buds Z2 have Bluetooth version of 5.2, Bluetooth is a wireless technology standard that enables data transfers between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves.

Bowers & Wilkins PI7 has a Bluetooth version of 5, older than that of OnePlus Buds Z2 . Newer versions provide faster data transfers.

Maximum Bluetooth Range

Bowers & Wilkins PI7 10meters

OnePlus Buds Z2 10meters

OnePlus Buds Z2 have a 10meters distance connecting via Bluetooth.

Bowers & Wilkins PI7 have a maximum range of 10meters, equal to that of the OnePlus Buds Z2

Has Aac

Bowers & Wilkins PI7 ✓

OnePlus Buds Z2 ✓

OnePlus Buds Z2 support AAC, a codec that is used for Bluetooth audio. It supports 24-bit audio at 250kbps. Since it uses psychoacoustic modeling, it provides better results than other codecs at a similar bit rate.

Since its the highest quality codec that any Bluetooth-supporting Apple product supports, the OnePlus Buds Z2 will work fine 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 Bowers & Wilkins PI7 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 Aptx Adaptive

Bowers & Wilkins PI7 ✓

OnePlus Buds Z2 ✗

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 ✓

OnePlus Buds Z2 ✗

The Bowers & Wilkins PI7 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).

A Review By Comparison Of The Technics Eah Az60M2 Vs. Oneplus Buds Z2

Number Of Microphones

Bowers & Wilkins PI7 6only

OnePlus Buds Z2 6only

OnePlus Buds Z2 have 6 microphones.

While the Bowers & Wilkins PI7 microphones are 6, equal to that of the OnePlus Buds Z2 . More microphones result in better sound quality and enable the device to filter out noise.

Has A Noise-Canceling Microphone

Bowers & Wilkins PI7 ✓

OnePlus Buds Z2 ✓

OnePlus Buds Z2 have a noise-canceling microphone, these microphones are designed to filter out background sounds from the desired sound.

The Bowers & Wilkins PI7 too use a noise-canceling type of microphone. This is useful in noisy environments.

Bowers & Wilkins PI7
See price on Amazon

Has Ambient Sound Mode

Bowers & Wilkins PI7 ✓

OnePlus Buds Z2 ✗

Bowers & Wilkins PI7 support ambient sound mode, which uses microphones to channel ambient sound to still be heard even while wearing them

Has In/On-Ear Detection

Bowers & Wilkins PI7 ✓

OnePlus Buds Z2 ✓

OnePlus Buds Z2 have in/on-ear detection, the sensors in the earbuds can detect when removed from your ears .

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

Has Find Earbuds Feature

Bowers & Wilkins PI7 ✓

OnePlus Buds Z2 ✓

When misplaced in a room, or can't easily find them in your bag, OnePlus Buds Z2 have a find earbuds feature.

Bowers & Wilkins PI7 too have the find earbuds feature. Use the device app on your phone to play a sound from your earbuds to help you locate them.

Supports Fast Charging

Bowers & Wilkins PI7 ✓

OnePlus Buds Z2 ✓

OnePlus Buds Z2 support fast charging. Commonly, technologies like Qualcomm’s Quick Charge, are used to lower the time it takes to fully charge a device.

Bowers & Wilkins PI7 support fast charging. This kind is similar to regular charging, only that the battery fills up much faster. Say, with Quick Charge 3.0, the battery can be charged to 50% in 30 minutes.

Has A Mute Function

Bowers & Wilkins PI7 ✓

OnePlus Buds Z2 ✓

OnePlus Buds Z2 have a mute function, they have the option 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 device's microphone, but you can still hear the other party talk.

Control Panel Placed On A Device

Bowers & Wilkins PI7 ✓

OnePlus Buds Z2 ✓

The OnePlus Buds Z2, so you can easily access the volume control, pause, play, mute, etc whichever features are supported on the device.

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

Has Voice Prompts

Bowers & Wilkins PI7 ✓

OnePlus Buds Z2 ✓

OnePlus Buds Z2 support voice prompts. Automatically receive information through audio messages, say if there is a problem with the connection.

The Bowers & Wilkins PI7 also support voice prompts meaning the earbuds will notify you if the battery is low, and you need to recharge the earbuds.

Travel Bag Is Included

Bowers & Wilkins PI7 ✓

OnePlus Buds Z2 ✓

The OnePlus Buds Z2 come with a special pouch. Carrying earbuds without a case, or placing them in your bag without a cover may easily put them at risk of getting damaged.

Bowers & Wilkins PI7 also have a case included, which offers safe transportation.

A Review By Comparison Of The Technics Eah Az80 Vs. Oneplus Buds Z2

Category	Features	Bowers & Wilkins PI7	OnePlus Buds Z2
DESIGN	ingress protection (ip) rating	IP54	IP55
	weight	50g	9g
	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	11mm
	lowest frequency	10Hz	20Hz
	highest frequency	20000Hz	20000Hz
POWER	battery life	4.5hours	7hours
	battery life of charging case	18hours	31hours
	charge time	3hours	1.5hours
	battery power	✗	40mAh
	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	6only
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 Oneplus Buds Z2 Vs. Bowers & Wilkins Pi7

Reasons why you might like the Bowers & Wilkins PI7

Reasons why you might like the OnePlus Buds Z2

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

Battery Power

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

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