A breakdown of the review per specifications

Ingress Protection (Ip) Rating

Sennheiser CX 500BT IPX4

Bose QuietComfort Earbuds II IPX4

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

Having a value of IPX4, the Sennheiser CX 500BT'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 Sennheiser CX 500BT, Bose QuietComfort Earbuds II 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

Sennheiser CX 500BT 12g

Bose QuietComfort Earbuds II 12.5g

The Sennheiser CX 500BT have a weight of 12g . We prefer a lower weight best for the reason that lighter devices are easier to move with.

The Bose QuietComfort Earbuds II, at 12.5g weigh more than the Sennheiser CX 500BT with a difference of 0.5g

Has No Wires Or Cables

Sennheiser CX 500BT ✓

Bose QuietComfort Earbuds II ✓

True wireless devices have no wires connecting any part of the device together, Sennheiser CX 500BT are true wireless for this matter since they have no cables. This is a key distinction as some wireless earbuds have cables linking the pair of earbuds .

Bose QuietComfort Earbuds II also is true wireless because it doesn't have wires connecting the pair of earbuds .

Wingtips Included

Sennheiser CX 500BT ✗

Bose QuietComfort Earbuds II ✓

Bose QuietComfort Earbuds II have wingtips, these are reserved for workout earbuds and come as an optional add-on to each silicone ear tip for a better fit.

Sweat Resistance

Sennheiser CX 500BT ✓

Bose QuietComfort Earbuds II ✓

Sennheiser CX 500BT have sweat resistance

Bose QuietComfort Earbuds II's resistance to sweat makes both devices good for use during long-distance running, marathons, training in workout bodysuits, etc

Has Stereo Speakers

Sennheiser CX 500BT ✓

Bose QuietComfort Earbuds II ✓

Sennheiser CX 500BT 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 Bose QuietComfort Earbuds II and Sennheiser CX 500BT have stereo speakers

Sennheiser CX 500BT
See price on Amazon

Has Active Noise Cancellation (Noise Control)

Sennheiser CX 500BT ✓

Bose QuietComfort Earbuds II ✓

Active noise cancellation makes use of more advanced technology to reduce unwanted ambient sounds. How it works, it studies the sound pattern outside and inside the earbud and then generates a mirror signal to counter it. Simply put, it's like taking +1 (noise) and adding -1 (counter sound by the device) to make 0 thus "diluting" the noise.

The Sennheiser CX 500BT have ANC enabling you to listen at lower levels of volume, good for your ears as you don't have to crank up the device volume to overcome background noise.

The Bose QuietComfort Earbuds II too have ANC which makes both devices ideal for plane rides and rush hour commutes. The Sennheiser CX 500BT and Bose QuietComfort Earbuds II work with different noise cancellation types, pick the mode that suits your travel or that enhances your relaxation time.

Has Passive Noise Reduction

Sennheiser CX 500BT ✓

Bose QuietComfort Earbuds II ✓

The Sennheiser CX 500BT stay well in place, this creates an acoustic seal that reduces your environment noise and also prevents the earbuds sound from leaking out .

Both Bose QuietComfort Earbuds II, and Sennheiser CX 500BT have passive noise reduction this means that they limit ambient noise instead of actively using technology to cancel it out.

Lowest Frequency

Sennheiser CX 500BT 5Hz

Bose QuietComfort Earbuds II 20Hz

Sennheiser CX 500BT's lowest frequency is at 5Hz, low-frequency response inidcates how well an audio component produces low recognizable frequencies and if it makes any changes to the signal on its way through.

Bose QuietComfort Earbuds II's lowest frequency is at 20Hz, this means that Sennheiser CX 500BT can make sound with a juicier bass than the Bose QuietComfort Earbuds II

Highest Frequency

Sennheiser CX 500BT 21000Hz

Bose QuietComfort Earbuds II 20000Hz

Sennheiser CX 500BT's highest frequency is at 21000Hz, high-frequency response indicates how well an audio device makes high human frequencies and if it makes any adjustments to the signal while at it.

Bose QuietComfort Earbuds II's highest frequency is at 20000Hz, this means that Sennheiser CX 500BT generate a clearer and crispier treble than the Bose QuietComfort Earbuds II

Sound Pressure Level

Sennheiser CX 500BT 94dB/mW

Bose QuietComfort Earbuds II ✗

SPL, is the pressure level of sound, in decibels, dB, Sennheiser CX 500BT's measurement is 94dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.

A Review By Comparison Of The Sony Wf 1000Xm3 Vs. Sennheiser Cx 500Bt

Battery Life

Sennheiser CX 500BT 8hours

Bose QuietComfort Earbuds II 6hours

Sennheiser CX 500BT's battery life is 8 hours, 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.

Bose QuietComfort Earbuds II's battery life is less than that of Sennheiser CX 500BT by 2 hours . Each time you recharge your device, they get a little less playing 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

Sennheiser CX 500BT 16hours

Bose QuietComfort Earbuds II 18hours

The battery life of the charging case is given by the manufacturer, and the Sennheiser CX 500BT's case has a full charge of 16 hours. A charging case with a longer battery life enables you to recharge your earbuds on the go multiple times before recharging the case itself.

Bose QuietComfort Earbuds II's charging case has a battery life of 18 hours, more than that of Sennheiser CX 500BT by 2 hours

Charge Time

Sennheiser CX 500BT ✗

Bose QuietComfort Earbuds II 2hours

It requires 2 hours to fully charge the Bose QuietComfort Earbuds II's battery. It is highly adivsable to fully charge the battery before using the earbuds when they have been in storage for extended periods.

Has A Battery Level Indicator

Sennheiser CX 500BT ✓

Bose QuietComfort Earbuds II ✓

The Sennheiser CX 500BT have a battery level indicator, an indicator alerts you when the earbuds has a low battery. The battery indicator lights show the charging state of your device and charging case.

Bose QuietComfort Earbuds II too have a battery level indicator, charging indicators allow you tell the charging state of your device, if charged fully, or the battery is running low.

Sennheiser CX 500BT
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Has Usb Type-C

Sennheiser CX 500BT ✓

Bose QuietComfort Earbuds II ✓

Sennheiser CX 500BT use USB TYPE-C, a standard connector for transmitting both data and power through a single cable.

Bose QuietComfort Earbuds II too have USB TYPE-C. This USB-C plug comes along with most current laptops, phones, and tablets.

Bluetooth Version

Sennheiser CX 500BT v5.2

Bose QuietComfort Earbuds II v5.3

The Sennheiser CX 500BT have Bluetooth version of 5.2, Bluetooth is a wireless technology standard that allows data movement between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves.

Bose QuietComfort Earbuds II has a Bluetooth version of 5.3, newer than that of Sennheiser CX 500BT . Newer versions provide faster data transfers.

Maximum Bluetooth Range

Sennheiser CX 500BT 10meters

Bose QuietComfort Earbuds II 10meters

Sennheiser CX 500BT have a 10meters distance to connect via Bluetooth.

Bose QuietComfort Earbuds II have a maximum range of 10meters, equal to that of the Sennheiser CX 500BT

Has Aac

Sennheiser CX 500BT ✓

Bose QuietComfort Earbuds II ✓

Sennheiser CX 500BT support AAC, a codec that is 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 a similar bit rate.

Being the highest quality codec that any Bluetooth-supporting Apple product supports, the Sennheiser CX 500BT will work well with your iPhone. If you are planning 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 Bose QuietComfort Earbuds II 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

Sennheiser CX 500BT ✓

Bose QuietComfort Earbuds II ✗

The Sennheiser CX 500BT support APTX Adaptive, an audio codec for Bluetooth devices that are developed by Qualcomm. It has a variable bit rate (between 279kbps and 420kbps).

A Review By Comparison Of The Samsung Galaxy Buds Live Vs. Sennheiser Cx 500Bt

Number Of Microphones

Sennheiser CX 500BT 4only

Bose QuietComfort Earbuds II 8only

The Sennheiser CX 500BT have 4 microphones.

The Bose QuietComfort Earbuds II microphones are 8, more than that of Sennheiser CX 500BT by 4 . More microphones record better sound quality and help the earbuds to filter out noise.

Has A Noise-Canceling Microphone

Sennheiser CX 500BT ✓

Bose QuietComfort Earbuds II ✓

Sennheiser CX 500BT have a noise-canceling microphone, these microphones are made to filter out background sounds from the earbuds' sound.

The Bose QuietComfort Earbuds II too use a noise-canceling microphone. This is useful in noisy areas.

Highest Mic Frequency

Sennheiser CX 500BT 10000Hz

Bose QuietComfort Earbuds II ✗

The Sennheiser CX 500BT's highest mic frequency is 10000Hz, high frequencies are best for recording treble. The highest mic frequency of a microphone is known as its upper limiting frequency.

Lowest Mic Frequency

Sennheiser CX 500BT 100Hz

Bose QuietComfort Earbuds II ✗

The Sennheiser CX 500BT's lowest mic frequency is 100Hz, low frequencies are better for picking up bass. The lowest mic frequency of a microphone is defined as its lower limiting frequency.

Sennheiser CX 500BT
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Has Ambient Sound Mode

Sennheiser CX 500BT ✓

Bose QuietComfort Earbuds II ✓

Sennheiser CX 500BT support ambient sound mode, which uses microphones to channel ambient sound to still be heard even while wearing the earbuds

The Bose QuietComfort Earbuds II support ambient sound mode as well, helpful when you want to listen to music but also be aware of what’s happening around you, say you’re having a jog but still want to be able to hear traffic.

Has In/On-Ear Detection

Sennheiser CX 500BT ✓

Bose QuietComfort Earbuds II ✓

Sennheiser CX 500BT have in/on-ear detection, the sensors in the earbuds can detect when removed from your ears .

Bose QuietComfort Earbuds II 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

Sennheiser CX 500BT ✓

Bose QuietComfort Earbuds II ✓

When lost in a room, or can't be found in your bag, Sennheiser CX 500BT have a find earbuds feature.

Bose QuietComfort Earbuds II too have the find earbuds feature. Use the earbuds app on your smartphone to play an alarm from your device to locate them.

Supports Fast Charging

Sennheiser CX 500BT ✓

Bose QuietComfort Earbuds II ✓

The Sennheiser CX 500BT support fast charging. Usually, technologies like Qualcomm’s Quick Charge, are used to reduce the amount of time it takes to fully charge the earbuds.

The Bose QuietComfort Earbuds II too support fast charging. It's very similar to regular charging, only that the battery fills up much faster. For example, with Quick Charge 3.0, the battery can be charged to 50% in 30 minutes.

Has A Mute Function

Sennheiser CX 500BT ✓

Bose QuietComfort Earbuds II ✓

The Sennheiser CX 500BT have a mute function, they support the feature to mute/unmute a conversation directly from the earbuds.

The Bose QuietComfort Earbuds II also have this function. The mute function means that you are in position turn off the earbuds' microphone, but still hear the other party's voice.

Control Panel Placed On A Device

Sennheiser CX 500BT ✓

Bose QuietComfort Earbuds II ✓

The Sennheiser CX 500BT, so you can access the volume control, pause, play, mute, etc whichever features are supported on the earbuds.

The Bose QuietComfort Earbuds II also have a control panel on them.

Warranty Period

Sennheiser CX 500BT 2Years

Bose QuietComfort Earbuds II ✗

Sennheiser CX 500BT 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 following instruction manuals.

Has Voice Prompts

Sennheiser CX 500BT ✓

Bose QuietComfort Earbuds II ✓

Sennheiser CX 500BT have voice prompts. Automatically receive information through audio messages, say if there is a problem with the connection.

Bose QuietComfort Earbuds II also support voice prompts meaning the earbuds will notify you if the battery is low, and you need to recharge them.

Travel Bag Is Included

Sennheiser CX 500BT ✓

Bose QuietComfort Earbuds II ✓

The Sennheiser CX 500BT come with their own special pouch. Carrying earbuds openly, or placing them inside your pockets without a casing can easily put them at risk of getting damaged.

Bose QuietComfort Earbuds II too have a travel bag included, which is useful for safe transportation.

A Review By Comparison Of The Nothing Ear 2 Vs. Sennheiser Cx 500Bt

Category	Features	Sennheiser CX 500BT	Bose QuietComfort Earbuds II
DESIGN	ingress protection (ip) rating	IPX4	IPX4
	weight	12g	12.5g
	has no wires or cables	✓	✓
	wingtips included	✗	✓
	sweat resistance	✓	✓
	has stereo speakers	✓	✓
SOUND QUALITY	has active noise cancellation (noise control)	✓	✓
	has passive noise reduction	✓	✓
	lowest frequency	5Hz	20Hz
	highest frequency	21000Hz	20000Hz
	sound pressure level	94dB/mW	✗
POWER	battery life	8hours	6hours
	battery life of charging case	16hours	18hours
	charge time	✗	2hours
	has a battery level indicator	✓	✓
CONNECTIVITY	has usb type-c	✓	✓
	bluetooth version	v5.2	v5.3
	maximum bluetooth range	10meters	10meters
	has aac	✓	✓
	has aptx adaptive	✓	✗
MICROPHONE	number of microphones	4only	8only
	has a noise-canceling microphone	✓	✓
	highest mic frequency	10000Hz	✗
	lowest mic frequency	100Hz	✗
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	✓	✓
	warranty period	2Years	✗
	has voice prompts	✓	✓
	travel bag is included	✓	✓
		See price on Amazon	See price on Amazon

A Review By Comparison of the Sennheiser Cx 500Bt Vs. Bose Quietcomfort Earbuds Ii

Reasons why you might like the Sennheiser CX 500BT

Reasons why you might like the Bose QuietComfort Earbuds II

A summary of the review by comparison

A breakdown of the review per specifications

Design

Ingress Protection (Ip) Rating

Weight

Has No Wires Or Cables

Wingtips Included

Sweat Resistance

Has Stereo Speakers

Sound Quality

Has Active Noise Cancellation (Noise Control)

Has Passive Noise Reduction

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 Aptx Adaptive

Microphone

Number Of Microphones

Has A Noise-Canceling Microphone

Highest Mic Frequency

Lowest Mic Frequency

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

Warranty Period

Has Voice Prompts

Travel Bag Is Included

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