Devialet GeminiSee price on Amazon
Overall Score 6.8 Represents average audio ecosystem compatibility score.
Bowers & Wilkins PI7See price on Amazon
Overall Score 6.4 Represents average audio ecosystem compatibility score.
|Category||Features||Devialet Gemini||Bowers & Wilkins PI7|
|DESIGN||ingress protection (ip) rating||IPX4||IP54|
|has no wires or cables||✓||✓|
|has stereo speakers||✓||✓|
|SOUND QUALITY||has active noise cancellation (noise control)||✓||✓|
|has passive noise reduction||✓||✓|
|driver unit size||10mm||9.2mm|
|sound pressure level||94dB/mW||✗|
|battery life of charging case||18hours||18hours|
|has wireless charging||✓||✓|
|has a battery level indicator||✓||✓|
|CONNECTIVITY||has usb type-c||✓||✓|
|maximum bluetooth range||10meters||10meters|
|has aptx adaptive||✓||✓|
|has aptx hd||✗||✓|
|MICROPHONE||number of microphones||2only||6only|
|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|
IP ratings is the level 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 refers to protection against solids such as dust, followed by the one that refers to resistance against liquids (sweat).
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, 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
Devialet Gemini have a weight of 8g . We consider a lower weight best because lighter devices are easier to move with.
The Bowers & Wilkins PI7, at 50g weigh more than the Devialet Gemini with a difference of 42g
True wireless devices have no wires linking any part of the device together, Devialet Gemini are true wireless for this case since they have no wires. This is an important distinction since wireless earbuds have cables linking the 2 earbuds .
Bowers & Wilkins PI7 also is true wireless since it doesn't have wires connecting the 2 earbuds .
Devialet Gemini are resistant to sweat
Devialet Gemini have stereo speakers, devices with stereo speakers deliver sound from independent channels on both left and right sides, this creates a richer sound and a better listening experience.
Both Bowers & Wilkins PI7 and Devialet Gemini have stereo speakers
ANC uses advanced technology to actively counter noise. How it works, it listens to the sound pattern of incoming noise and generates a mirror signal to cancel it out. In simple terms, it's like taking +1 (noise) then adding -1 (inverted noise) to make zero which results in a reduced level of noise.
Devialet Gemini have Active Noise Cancellation enabling you to listen at lower volume levels, causing less ear fatigue as you don't have to crank up the earbuds volume to outcompete background noise.
The Bowers & Wilkins PI7 too have Active Noise Cancellation which makes both earbuds ideal for plane rides and rush hour commutes. Each operate with different noise cancellation settings, pick the mode that you prefer for commute or that suites your relaxation time.
The Devialet Gemini sit well in place, creating a sound covering that tones down your environment noise and also prevents the earbuds voice audio from leaking out at the same.
Both Bowers & Wilkins PI7, and Devialet Gemini have passive noise reduction this means that they tone down ambient noise instead of actively using technology to cancel it out.
Devialet Gemini have a unit size of 10mm in diameter, the bigger the unit the more powerful, therefor producing better bass.
The driver unit is basically a mini speaker that makes sound in the earbuds, its size corellates with the loudness of the device.
Bowers & Wilkins PI7 driver unit is 9.2mm in diameter, which means that they have a smaller driver unit than that of Devialet Gemini by 0.8mm , a common assumption 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 can generate louder sound, but this does not mean that they deliver better quality sound.
Devialet Gemini's lowest frequency is at 5Hz, low-frequency response inidcates how well an audio component generates low recognizable frequencies and if it makes any changes to the signal on its way through.
Bowers & Wilkins PI7's lowest frequency is at 10Hz, this implies that Devialet Gemini make sound with a juicier bass than the Bowers & Wilkins PI7
Devialet Gemini's highest frequency is at 20000Hz, high-frequency response indicates how well a particular audio component produces high human 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
SPL, is the level of pressure of sound, measured 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.
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 commonly 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 Devialet Gemini by 1.5 hours . Every time you recharge your earbuds, they get a little less playing time. The effect is barely noticeable at first, but over time, your wireless earbuds will have shorter listening time.
The battery life of the charging case is given by the manufacturer, and Devialet Gemini's case has a full charge of 18 hours. A charging case with a longer battery life 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, equal to that of the Devialet Gemini
It takes 1.5 hours to fully charge the Devialet Gemini's battery. It is highly adivsable to charge fully 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 Devialet Gemini by 1.5 hours
Devialet Gemini's battery capacity is 55mAh, battery power, represents the amount of electrical energy that a battery can keep.
The Devialet Gemini, the device supports wireless charging. To charge the device, you just place down on a supported charging pad.
Bowers & Wilkins PI7 also support wireless charging, always look out for the charging standard of the earbuds.
The Devialet Gemini have a battery level indicator, an indicator shows you when the device 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 enable you to determine the charging state of your device, whether fully charged, or the battery is running low.
The Devialet Gemini have USB TYPE-C, an industry-standard connector for transmitting both data and power in a single cable.
Bowers & Wilkins PI7 too support USB TYPE-C. This USB-C plug is part and parcel of most current electronics.
Devialet Gemini have Bluetooth version of 5, Bluetooth is a wireless technology standard that allows data movement between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves.
Bowers & Wilkins PI7 has a Bluetooth version of 5, equal to that of the Devialet Gemini . Newer versions provide faster data transfers.
The Devialet Gemini have a 10meters distance connecting via Bluetooth.
Bowers & Wilkins PI7 have a maximum range of 10meters, equal to that of the Devialet Gemini
Devialet Gemini 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 the same bit rate.
Since its the highest quality codec that any Bluetooth-supporting Apple product supports, the Devialet Gemini will work well with your iPad. If you are planning on using these with Android , 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.
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).
Bowers & Wilkins PI7 support APTX Adaptive as well which means both can adjust the bit rate for different scenarios, such as listening to HD audio from other devices.
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).
The Devialet Gemini have 2 microphones.
Bowers & Wilkins PI7 microphones are 6, more than that of Devialet Gemini by 4 . More microphones record better sound quality and enable the earbuds to filter out background sounds.
Devialet Gemini have a noise-canceling type of microphone, these microphones are designed to reduce noise from the desired sound.
The Bowers & Wilkins PI7 too use a noise-canceling microphone. This is useful in noisy environments.
The Devialet Gemini support ambient sound mode, which uses microphones to pass through ambient noises so that they can still be heard even when wearing them
The Bowers & Wilkins PI7 support ambient sound mode as well, helpful when you want to listen to music but also be aware of your surrounding, for example when you’re having a jog but would still want to hear traffic.
Devialet Gemini support in/on-ear detection, the sensors in the device can detect when they are removed from your ears .
Bowers & Wilkins PI7 support in/on-ear detection, automatically pauses your music, or audiobook when you remove earbuds from your ears saving battery life.
When lost in a room, or can't easily find them in your bag, the Devialet Gemini support the find earbuds feature.
Bowers & Wilkins PI7 also have the find earbuds feature. Simply use the earbuds app on your phone to play a sound from your earbuds to help you find them.
The Devialet Gemini support fast charging. Commonly, technologies like MediaTek’s Pump Express, are used to lower the time it takes to fully charge the earbuds.
Also the Bowers & Wilkins PI7 too support fast charging. It's very similar to regular charging, only that the battery is filling up much faster. For example, with Quick Charge 3.0, the battery can be charged to 50% in just thirty minutes.
The Bowers & Wilkins PI7 have a mute function, they support the feature to mute/unmute a conversation directly from the earbuds.
With the Devialet Gemini, so you can easily access the volume control, pause, play, mute, etc whichever features are supported on the device.
The Bowers & Wilkins PI7 also have a control panel on them.
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 that has followed instruction manuals.
Devialet Gemini support voice prompts. Automatically receive information through audio messages, like if there is a problem with the connection.
The Bowers & Wilkins PI7 also support voice prompts .i.e the device notifies you when the battery is low, and you need to recharge them.
The Devialet Gemini come with a special case. Carrying earbuds without a case, or placing them in your pockets without a casing may easily put them at risk of getting damaged.
Bowers & Wilkins PI7 also have a case included, which is useful for safe transportation.