A breakdown of the review per specifications

Ingress Protection (Ip) Rating

Anker Soundcore Liberty 3 Pro IPX4

Sennheiser CX 500BT IPX4

Ingress protection ratings refer to the rating of protection offered by a casing, against dust and water. 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).

Scoring 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, Anker Soundcore Liberty 3 Pro 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

Anker Soundcore Liberty 3 Pro 12g

Sennheiser CX 500BT 12g

The Sennheiser CX 500BT have a weight of 12g . We take in account a lower weight better because lighter devices are easier to transport.

Anker Soundcore Liberty 3 Pro, at 12g have the same weight as the Sennheiser CX 500BT

Has No Wires Or Cables

Anker Soundcore Liberty 3 Pro ✓

Sennheiser CX 500BT ✓

For a device to be true wireless it must have no wires connecting any part of the device together, Sennheiser CX 500BT are true wireless for this case since they have no cables. This is a key distinction since wireless earbuds have cables linking the 2 earbuds together.

Anker Soundcore Liberty 3 Pro also is true wireless since it has no cables linking the 2 earbuds together.

Wingtips Included

Anker Soundcore Liberty 3 Pro ✓

Sennheiser CX 500BT ✗

Anker Soundcore Liberty 3 Pro have wingtips, these are commonly used for earbuds for workouts and are usually an optional add-on to each silicone ear tip for a better fit.

Sweat Resistance

Anker Soundcore Liberty 3 Pro ✓

Sennheiser CX 500BT ✓

Sennheiser CX 500BT have sweat resistance

Anker Soundcore Liberty 3 Pro's resistance to sweat makes both devices ideal for use while doing sports such as long-distance running, marathons, training in workout bodysuits, etc

Has Stereo Speakers

Anker Soundcore Liberty 3 Pro ✓

Sennheiser CX 500BT ✓

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

Both Anker Soundcore Liberty 3 Pro and Sennheiser CX 500BT have stereo speakers

Anker Soundcore Liberty 3 Pro
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Has Active Noise Cancellation (Noise Control)

Anker Soundcore Liberty 3 Pro ✓

Sennheiser CX 500BT ✓

ANC makes use of advanced technology to actively cancel noise. How it works, it detects and analyzes 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) then producing -1 (inverted noise) to make zero thus "diluting" the noise.

The Sennheiser CX 500BT have ANC allowing you to listen at lower volume levels, causing less ear fatigue since you don't need to crank up the device volume to outcompete background sounds.

Anker Soundcore Liberty 3 Pro too have ANC making both devices ideal for flights and morning travels. The Sennheiser CX 500BT and Anker Soundcore Liberty 3 Pro operate with different noise cancellation types, pick the mode that you prefer for travel or that suites your relaxation time.

Has Passive Noise Reduction

Anker Soundcore Liberty 3 Pro ✓

Sennheiser CX 500BT ✓

Sennheiser CX 500BT stay tightly in place, creating a sound covering that tones down background sounds and also prevents the earbuds sound from leaking out .

Both of these devices have passive noise reduction this means that both tone down ambient noise instead of actively using technology to cancel it out.

Driver Unit Size

Anker Soundcore Liberty 3 Pro 10.6mm

Sennheiser CX 500BT ✗

The Anker Soundcore Liberty 3 Pro driver unit is 10.6mm in diameter, bigger drivers are more powerful, therefor producing better bass. The driver unit is basically a mini speaker that makes sound in the earbuds, its size determines the loudness of the device.

Lowest Frequency

Anker Soundcore Liberty 3 Pro 20Hz

Sennheiser CX 500BT 5Hz

Sennheiser CX 500BT's lowest frequency is at 5Hz, low-frequency response measures if and how well a particular audio component produces low frequencies that can be heard, and if it makes any changes to the signal while at it.

Anker Soundcore Liberty 3 Pro's lowest frequency is at 20Hz, this means that Sennheiser CX 500BT can make sound with a juicier bass than the Anker Soundcore Liberty 3 Pro

Highest Frequency

Anker Soundcore Liberty 3 Pro 40000Hz

Sennheiser CX 500BT 21000Hz

Sennheiser CX 500BT's highest frequency is at 21000Hz, high-frequency response shows how well an audio device generates high human frequencies and if it changes to the signal on its way through.

Anker Soundcore Liberty 3 Pro's highest frequency is at 40000Hz, this means that Anker Soundcore Liberty 3 Pro generate a clearer and crispier treble than the Sennheiser CX 500BT

Sound Pressure Level

Anker Soundcore Liberty 3 Pro 92dB/mW

Sennheiser CX 500BT 94dB/mW

The sound pressure level, is the level of pressure of sound, measured 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.

Anker Soundcore Liberty 3 Pro's sound pressure level measurement is 92dB/mW. The sound pressure level, something is can be perceived differently by separate people, so we need to have the means to get a standard measurement of sound level expressed in numerical terms.

A Review By Comparison Of The Echo Buds 3Rd Generation Vs. Sennheiser Cx 500Bt

Battery Life

Anker Soundcore Liberty 3 Pro 8hours

Sennheiser CX 500BT 8hours

The 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 commonly given by the manufacturer, and with more battery hours, you get to use it for longer and requires fewer chargings.

Anker Soundcore Liberty 3 Pro's battery life is equal to that of the Sennheiser CX 500BT . Each time you recharge your earbuds, they get a little less playing time. The effect is barely noticeable at first, but over a few years, your wireless earbuds will have shorter listening time.

Battery Life Of Charging Case

Anker Soundcore Liberty 3 Pro 24hours

Sennheiser CX 500BT 16hours

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

Anker Soundcore Liberty 3 Pro's charging case has a battery life of 24 hours, more than that of Sennheiser CX 500BT by 8 hours

Charge Time

Anker Soundcore Liberty 3 Pro 2hours

Sennheiser CX 500BT ✗

It takes 2 hours to fully charge the Anker Soundcore Liberty 3 Pro's battery. It is highly adivsable to charge fully the battery before using the earbuds when they have been unused for long periods.

Has Wireless Charging

Anker Soundcore Liberty 3 Pro ✓

Sennheiser CX 500BT ✗

The Anker Soundcore Liberty 3 Pro, the device supports wireless charging. To charge the device, you simply put down on a compatible charging pad.

Has A Battery Level Indicator

Anker Soundcore Liberty 3 Pro ✓

Sennheiser CX 500BT ✓

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

Anker Soundcore Liberty 3 Pro too have a battery level indicator, charging indicators enable you tell the charging state of your earbuds, whether fully charged, or the battery is running low.

Anker Soundcore Liberty 3 Pro
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Has Usb Type-C

Anker Soundcore Liberty 3 Pro ✓

Sennheiser CX 500BT ✓

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

Anker Soundcore Liberty 3 Pro too support USB TYPE-C. This USB-C plug comes along with most current laptops, phones, and tablets.

Bluetooth Version

Anker Soundcore Liberty 3 Pro v5.2

Sennheiser CX 500BT v5.2

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

Anker Soundcore Liberty 3 Pro has a Bluetooth version of 5.2, equal to that of the Sennheiser CX 500BT . Newer versions provide faster data transfers.

Maximum Bluetooth Range

Anker Soundcore Liberty 3 Pro 10meters

Sennheiser CX 500BT 10meters

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

Anker Soundcore Liberty 3 Pro have a maximum range of 10meters, equal to that of the Sennheiser CX 500BT

Has Aac

Anker Soundcore Liberty 3 Pro ✓

Sennheiser CX 500BT ✓

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 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 Anker Soundcore Liberty 3 Pro 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 Ldac

Anker Soundcore Liberty 3 Pro ✓

Sennheiser CX 500BT ✗

The Anker Soundcore Liberty 3 Pro support LDAC, a codec developed by Sony which allows streaming high-resolution audio over Bluetooth connections at up to 990 kbps at 32 bit/96 kHz. It is capable of a very high bitrate of 990kbps, which provides high-resolution audio.

Has Aptx Adaptive

Anker Soundcore Liberty 3 Pro ✗

Sennheiser CX 500BT ✓

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).

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Number Of Microphones

Anker Soundcore Liberty 3 Pro 6only

Sennheiser CX 500BT 4only

Sennheiser CX 500BT have 4 microphones.

Anker Soundcore Liberty 3 Pro microphones are 6, more than that of Sennheiser CX 500BT by 2 . More microphones result in better sound quality and enable the earbuds to filter out background sounds.

Has A Noise-Canceling Microphone

Anker Soundcore Liberty 3 Pro ✓

Sennheiser CX 500BT ✓

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

The Anker Soundcore Liberty 3 Pro too use a noise-canceling microphone. This is useful in noisy environments.

Highest Mic Frequency

Anker Soundcore Liberty 3 Pro ✗

Sennheiser CX 500BT 10000Hz

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

Lowest Mic Frequency

Anker Soundcore Liberty 3 Pro ✗

Sennheiser CX 500BT 100Hz

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.

Anker Soundcore Liberty 3 Pro
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Has Ambient Sound Mode

Anker Soundcore Liberty 3 Pro ✓

Sennheiser CX 500BT ✓

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

The Anker Soundcore Liberty 3 Pro support ambient sound mode as well, helpful when you want to listen to music while being aware of what’s happening around you, say you’re having a run but still want to be able to hear traffic.

Has In/On-Ear Detection

Anker Soundcore Liberty 3 Pro ✓

Sennheiser CX 500BT ✓

The Sennheiser CX 500BT have in/on-ear detection, the sensors in the device can detect when they are removed from your ears so that the music is paused.

The Anker Soundcore Liberty 3 Pro 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

Anker Soundcore Liberty 3 Pro ✓

Sennheiser CX 500BT ✓

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

The Anker Soundcore Liberty 3 Pro also have the find earbuds feature. Use the device app on your smartphone to play a sound from your device to help you find them.

Supports Fast Charging

Anker Soundcore Liberty 3 Pro ✓

Sennheiser CX 500BT ✓

The Sennheiser CX 500BT support fast charging. Commonly, technologies like Qualcomm’s Quick Charge, are used to reduce the time it takes to fully charge a device.

The Anker Soundcore Liberty 3 Pro too 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 30 minutes.

Multipoint Count

Anker Soundcore Liberty 3 Pro 2only

Sennheiser CX 500BT ✗

Anker Soundcore Liberty 3 Pro support multipoint of 2 connections, the multipoint feature allows you to link to more than one Bluetooth device and switch between them. Say, you can seemlessly switch calls from one device to another without having to manually disconnect and reconnect.

Has A Mute Function

Anker Soundcore Liberty 3 Pro ✓

Sennheiser CX 500BT ✓

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

The Anker Soundcore Liberty 3 Pro too have this function. The mute function means that you can turn off the device's microphone, but you can still hear the other party's voice.

Control Panel Placed On A Device

Anker Soundcore Liberty 3 Pro ✓

Sennheiser CX 500BT ✓

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

Anker Soundcore Liberty 3 Pro too have a control panel on them.

Warranty Period

Anker Soundcore Liberty 3 Pro 1Years

Sennheiser CX 500BT 2Years

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.

When covered under the manufacturer’s warranty it is possible to get a replacement in the case of a malfunction. Anker Soundcore Liberty 3 Pro have a warranty period of 1Years, less than that of Sennheiser CX 500BT by 1 Years .

Has Voice Prompts

Anker Soundcore Liberty 3 Pro ✓

Sennheiser CX 500BT ✓

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

The Anker Soundcore Liberty 3 Pro also have voice prompts meaning the earbuds notifies you if the battery is low, and you need to recharge them.

Travel Bag Is Included

Anker Soundcore Liberty 3 Pro ✓

Sennheiser CX 500BT ✓

Sennheiser CX 500BT come with their own special pouch. Carrying earphones without a case, or putting them inside your pockets without a cover may easily damage them.

Anker Soundcore Liberty 3 Pro too have a travel bag included, which offers safe transportation.

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Category	Features	Anker Soundcore Liberty 3 Pro	Sennheiser CX 500BT
DESIGN	ingress protection (ip) rating	IPX4	IPX4
	weight	12g	12g
	has no wires or cables	✓	✓
	wingtips included	✓	✗
	sweat resistance	✓	✓
	has stereo speakers	✓	✓
SOUND QUALITY	has active noise cancellation (noise control)	✓	✓
	has passive noise reduction	✓	✓
	driver unit size	10.6mm	✗
	lowest frequency	20Hz	5Hz
	highest frequency	40000Hz	21000Hz
	sound pressure level	92dB/mW	94dB/mW
POWER	battery life	8hours	8hours
	battery life of charging case	24hours	16hours
	charge time	2hours	✗
	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 ldac	✓	✗
	has aptx adaptive	✗	✓
MICROPHONE	number of microphones	6only	4only
	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	✓	✓
	multipoint count	2only	✗
	has a mute function	✓	✓
	control panel placed on a device	✓	✓
	warranty period	1Years	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. Anker Soundcore Liberty 3 Pro

Reasons why you might like the Anker Soundcore Liberty 3 Pro

Reasons why you might like the Sennheiser CX 500BT

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

Wingtips Included

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 Ldac

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

Multipoint Count

Has A Mute Function

Control Panel Placed On A Device

Warranty Period

Has Voice Prompts

Travel Bag Is Included

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