A breakdown of the review per specifications

Ingress Protection (Ip) Rating

Sennheiser CX 500BT IPX4

Nothing Ear 1 IPX4

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

Scoring IPX4, the Sennheiser CX 500BT'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.

In comparison to the Sennheiser CX 500BT, Nothing Ear 1 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

Nothing Ear 1 9.4g

The Sennheiser CX 500BT have a weight of 12g . We prefer a lower weight better because lighter devices are easier to carry.

The Nothing Ear 1, at 9.4g are lighter than the Sennheiser CX 500BT with a difference -2.6g

Has No Wires Or Cables

Sennheiser CX 500BT ✓

Nothing Ear 1 ✓

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 major distinction as some wireless earbuds have cables linking the pair of earbuds together.

Nothing Ear 1 also is true wireless because it doesn't have cables connecting the two earbuds together.

Sweat Resistance

Sennheiser CX 500BT ✓

Nothing Ear 1 ✓

Sennheiser CX 500BT have sweat resistance

Nothing Ear 1's resistance to sweat makes both devices fit for use while doing sports such as long-distance running, marathons, training in workout bodysuits, etc

Has Stereo Speakers

Sennheiser CX 500BT ✓

Nothing Ear 1 ✓

Sennheiser CX 500BT have stereo speakers, what this means is that Sennheiser CX 500BT's speakers deliver sound from separate channels on both left and right sides, this creates a richer sound and a better listening experience.

Both Nothing Ear 1 and Sennheiser CX 500BT have stereo speakers

Sennheiser CX 500BT
See price on Amazon

Has Active Noise Cancellation (Noise Control)

Sennheiser CX 500BT ✓

Nothing Ear 1 ✓

Active noise cancellation makes use of advanced technology to reduce unwanted ambient sounds. How it works, it listens to the sound pattern of incoming noise and inverts the soundwaves to cancel it out. Simply put, it's like taking +1 (noise) then producing -1 (counter sound by the device) to make zero hence "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 sounds.

The Nothing Ear 1 too have ANC making either of the devices ideal for flights and morning travels. Each work with different noise cancellation settings, pick the noise cancellation type that you prefer for travel or that enhances your relaxation time.

Has Passive Noise Reduction

Sennheiser CX 500BT ✓

Nothing Ear 1 ✓

The Sennheiser CX 500BT sit well in place, creating a sound seal that reduces your environment sounds well as preventing the earbuds music from leaking out .

Both of these devices have passive noise reduction this implies that they limit ambient noise instead of actively using ANC to cancel it out.

Driver Unit Size

Sennheiser CX 500BT ✗

Nothing Ear 1 11.6mm

Nothing Ear 1 driver unit is 11.6mm in diameter, bigger drivers are more powerful, therefor producing better bass. A driver unit is basically a mini speaker that makes sound in the device, its size dictates the sound produced by the earbuds.

Lowest Frequency

Sennheiser CX 500BT 5Hz

Nothing Ear 1 20Hz

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

Nothing Ear 1's lowest frequency is at 20Hz, this means that Sennheiser CX 500BT can produce a juicier bass than the Nothing Ear 1

Highest Frequency

Sennheiser CX 500BT 21000Hz

Nothing Ear 1 20000Hz

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

Nothing Ear 1's highest frequency is at 20000Hz, this means that Sennheiser CX 500BT produce a clearer and crispier treble than the Nothing Ear 1

Sound Pressure Level

Sennheiser CX 500BT 94dB/mW

Nothing Ear 1 ✗

The sound pressure level, is the level of pressure 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 Technics Eah Az80 Vs. Sennheiser Cx 500Bt

Battery Life

Sennheiser CX 500BT 8hours

Nothing Ear 1 5hours

Sennheiser CX 500BT's battery life is 8 hours, these last longer than 5 hours of listening which is considered average before recharge. 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.

Nothing Ear 1's battery life is less than that of Sennheiser CX 500BT by 3 hours . Every time you recharge your earbuds, they get a little less listening time. The effect is not noticeable at first, but over a few years, your wireless earbuds will no longer play for long like they used to.

Battery Life Of Charging Case

Sennheiser CX 500BT 16hours

Nothing Ear 1 29hours

This is given by the vendor, and Sennheiser CX 500BT's case is said to have a full charge of 16 hours. A charging case with a longer battery life allows you to recharge your earbuds on the go many times before recharging the case itself.

Nothing Ear 1's charging case has a battery life of 29 hours, more than that of Sennheiser CX 500BT by 13 hours

Charge Time

Sennheiser CX 500BT ✗

Nothing Ear 1 1.5hours

It takes 1.5 hours to fully charge the Nothing Ear 1's battery. It is recommended to charge fully the battery before using the earbuds when they have been unused for extended periods.

Has Wireless Charging

Sennheiser CX 500BT ✗

Nothing Ear 1 ✓

Nothing Ear 1, the device supports wireless charging. To charge the earbuds, you just put down on a compatible charging pad.

Has A Battery Level Indicator

Sennheiser CX 500BT ✓

Nothing Ear 1 ✓

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

Nothing Ear 1 too have a battery level indicator, these allow you to tell the charging state of your earbuds, whether fully charged, or the battery is running low.

Sennheiser CX 500BT
See price on Amazon

Has Usb Type-C

Sennheiser CX 500BT ✓

Nothing Ear 1 ✓

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

Nothing Ear 1 too have USB TYPE-C. This USB-C plug is part and parcel of most current laptops, phones, and tablets.

Bluetooth Version

Sennheiser CX 500BT v5.2

Nothing Ear 1 v5.2

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

Nothing Ear 1 has a Bluetooth version of 5.2, equal to that of the Sennheiser CX 500BT . Newer versions provide faster data transfers.

Maximum Bluetooth Range

Sennheiser CX 500BT 10meters

Nothing Ear 1 10meters

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

Nothing Ear 1 have a maximum range of 10meters, equal to that of the Sennheiser CX 500BT

Has Aac

Sennheiser CX 500BT ✓

Nothing Ear 1 ✗

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 the same bit rate.

Since its the highest quality codec that any Bluetooth-supporting Apple product supports, the Sennheiser CX 500BT will work fine with your MacBook. If you are planning on using these with Android , ensure that they also support aptX HD, LDAC, or LHDC as well.

Has Aptx Adaptive

Sennheiser CX 500BT ✓

Nothing Ear 1 ✗

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 2 Vs. Sennheiser Cx 500Bt

Number Of Microphones

Sennheiser CX 500BT 4only

Nothing Ear 1 6only

The Sennheiser CX 500BT have 4 microphones.

While the Nothing Ear 1 microphones are 6, more than that of Sennheiser CX 500BT by 2 . More microphones result in better sound quality and help the earbuds to filter out background sounds.

Has A Noise-Canceling Microphone

Sennheiser CX 500BT ✓

Nothing Ear 1 ✓

Sennheiser CX 500BT use a noise-canceling type of microphone, these microphones are intended to filter out noise from the desired sound.

The Nothing Ear 1 too use a noise-canceling microphone. This is useful in noisy areas.

Highest Mic Frequency

Sennheiser CX 500BT 10000Hz

Nothing Ear 1 ✗

Sennheiser CX 500BT's highest mic frequency is 10000Hz, high frequencies are better for picking up treble. The highest mic frequency of a microphone is defined as its upper limiting frequency.

Lowest Mic Frequency

Sennheiser CX 500BT 100Hz

Nothing Ear 1 ✗

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

Sennheiser CX 500BT
See price on Amazon

Has Ambient Sound Mode

Sennheiser CX 500BT ✓

Nothing Ear 1 ✓

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

The Nothing Ear 1 support ambient sound mode as well, it’s useful when you want to listen to music but also be aware of what’s happening around you, for example when you’re having a jog but still want to hear traffic.

Has In/On-Ear Detection

Sennheiser CX 500BT ✓

Nothing Ear 1 ✓

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

The Nothing Ear 1 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

Sennheiser CX 500BT ✓

Nothing Ear 1 ✓

If lost in a room, or can't easily find them in your bag, Sennheiser CX 500BT support the find earbuds feature.

Nothing Ear 1 also have the find earbuds feature. Use the device app on your smartphone to play a sound from your device to find them.

Supports Fast Charging

Sennheiser CX 500BT ✓

Nothing Ear 1 ✓

The Sennheiser CX 500BT support fast charging. Commonly, technologies like MediaTek’s Pump Express, are used to reduce the amount of time it takes to fully charge the earbuds.

Also the Nothing Ear 1 too support fast charging. This kind is similar to regular charging, only that the battery is filling up much faster. Say, with Quick Charge 3.0, the battery can be charged to 50% in 30 minutes.

Has A Mute Function

Sennheiser CX 500BT ✓

Nothing Ear 1 ✗

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

Control Panel Placed On A Device

Sennheiser CX 500BT ✓

Nothing Ear 1 ✓

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

The Nothing Ear 1 also have a control panel on them.

Warranty Period

Sennheiser CX 500BT 2Years

Nothing Ear 1 1Years

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 that has followed instruction manuals.

If covered under the manufacturer’s warranty it is possible to get a replacement in the case of a malfunction. Nothing Ear 1 have a warranty period of 1Years, less than that of Sennheiser CX 500BT by 1 Years .

Has Voice Prompts

Sennheiser CX 500BT ✓

Nothing Ear 1 ✓

The Sennheiser CX 500BT support voice prompts. With voice prompts, you receive information via audio messages, like if there is an issue with the connection.

Nothing Ear 1 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

Sennheiser CX 500BT ✓

Nothing Ear 1 ✓

Sennheiser CX 500BT come with a special pouch. Carrying earphones without a case, or placing them inside your bag without a cover can easily put them at risk of getting damaged.

Nothing Ear 1 also have a travel bag included, which is useful for safe transportation.

A Review By Comparison Of The Technics Eah Az60M2 Vs. Sennheiser Cx 500Bt

Category	Features	Sennheiser CX 500BT	Nothing Ear 1
DESIGN	ingress protection (ip) rating	IPX4	IPX4
	weight	12g	9.4g
	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	✗	11.6mm
	lowest frequency	5Hz	20Hz
	highest frequency	21000Hz	20000Hz
	sound pressure level	94dB/mW	✗
POWER	battery life	8hours	5hours
	battery life of charging case	16hours	29hours
	charge time	✗	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	✓	✗
MICROPHONE	number of microphones	4only	6only
	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	1Years
	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. Nothing Ear 1

Reasons why you might like the Sennheiser CX 500BT

Reasons why you might like the Nothing Ear 1

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

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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