A breakdown of the review per specifications

Ingress Protection (Ip) Rating

Sennheiser CX 500BT IPX4

Ultimate Ears Drops ✗

Ingress protection ratings refer to the rating of protection given by an enclosure, against dust 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 protection against liquids (sweat).

Having a value of IPX4, the Sennheiser CX 500BT's rating is read as, the first number of X denotes that no data available to specify a protection rating, and the second number of 4 means that they can withstand low pressure spray similar to that of a shower head when tilted at 180° for 10 minutes.

Weight

Sennheiser CX 500BT 12g

Ultimate Ears Drops ✗

Sennheiser CX 500BT have a weight of 12g . We take in account a lower weight better for the reason that lighter devices are easier to move with.

Has No Wires Or Cables

Sennheiser CX 500BT ✓

Ultimate Ears Drops ✓

For a device to be true wireless it should have no cables linking any part of the device together, Ultimate Ears Drops are true wireless for this matter since they don't have wires. This is an important distinction as some wireless earbuds have cables linking the pair of earbuds together.

Sennheiser CX 500BT also is true wireless since it has no cables linking the two earbuds .

Wingtips Included

Sennheiser CX 500BT ✗

Ultimate Ears Drops ✓

The Ultimate Ears Drops come with wingtips, these are commonly used for workout earbuds and are usually an optional add-on to the separate silicone ear tip for a more secure fit.

Sweat Resistance

Sennheiser CX 500BT ✓

Ultimate Ears Drops ✓

Ultimate Ears Drops are resistant to sweat

Sennheiser CX 500BT's resistance to sweat makes both devices fit for use while doing sports such as long-distance running, marathons, cardio sweat workouts , etc

Is Dust Proof And Water-Resistant

Sennheiser CX 500BT ✗

Ultimate Ears Drops ✓

The Ultimate Ears Drops are both dustproof and water-resistant.

Has Stereo Speakers

Sennheiser CX 500BT ✓

Ultimate Ears Drops ✓

Ultimate Ears Drops have stereo speakers, devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better listening experience.

Both Sennheiser CX 500BT and Ultimate Ears Drops have stereo speakers

Sennheiser CX 500BT
See price on Amazon

Has Active Noise Cancellation (Noise Control)

Sennheiser CX 500BT ✓

Ultimate Ears Drops ✗

Active noise cancellation uses advanced technology to actively cancel noise. How it works, it detects and analyzes the sound pattern of incoming noise and generates a mirror signal to cancel it out. Simply put, it's like having +1 (noise) then adding -1 (inverted noise) giving 0 thus "diluting" the noise.

Sennheiser CX 500BT have ANC enabling you to listen at lower levels of volume, causing less ear fatigue as you don't have to crank up the device volume to outcompete background noise.

Has Passive Noise Reduction

Sennheiser CX 500BT ✓

Ultimate Ears Drops ✓

Ultimate Ears Drops stay tightly in place, creating an acoustic seal that tones down your environment noise well as preventing the earbuds sound from leaking out at the same.

Both Sennheiser CX 500BT, and Ultimate Ears Drops have passive noise reduction this implies that they tone down ambient noise without using ANC to cancel it out.

Driver Unit Size

Sennheiser CX 500BT ✗

Ultimate Ears Drops 9.2mm

The Ultimate Ears Drops driver unit is 9.2mm in diameter, bigger drivers are more powerful, and can produce better bass. The driver unit is the component that makes sound in the device, the unit size dictates the sound produced by the earbuds.

Lowest Frequency

Sennheiser CX 500BT 5Hz

Ultimate Ears Drops 20Hz

Ultimate Ears Drops's lowest frequency is at 20Hz, low-frequency response inidcates how well a particular audio component produces low frequencies that can be heard, and if it alters the signal while at it.

Sennheiser CX 500BT's lowest frequency is at 5Hz, this implies that Sennheiser CX 500BT can make sound with a juicier bass than the Ultimate Ears Drops

Highest Frequency

Sennheiser CX 500BT 21000Hz

Ultimate Ears Drops 20000Hz

The Ultimate Ears Drops's highest frequency is at 20000Hz, high-frequency response tells how well an audio component generates high audible frequencies and if it makes any adjustments to the signal on its way through.

Sennheiser CX 500BT's highest frequency is at 21000Hz, this implies that Sennheiser CX 500BT produce a clearer and crispier treble than the Ultimate Ears Drops

Sound Pressure Level

Sennheiser CX 500BT 94dB/mW

Ultimate Ears Drops 110dB/mW

The sound pressure level, is the level of pressure of sound, in decibels, dB, Ultimate Ears Drops's measurement is 110dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.

Sennheiser CX 500BT's sound pressure level measurement is 94dB/mW. The sound pressure level, a device is can be considered differently by separate persons, so we need to have the means to get an objective measurement of sound level expressed in numerical terms.

A Review By Comparison Of The Samsung Galaxy Buds 2 Vs. Ultimate Ears Drops

Battery Life

Sennheiser CX 500BT 8hours

Ultimate Ears Drops 6hours

The Ultimate Ears Drops'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 given by the manufacturer, and with longer battery life, you get to use it for longer and requires fewer chargings.

Sennheiser CX 500BT's battery life is more than that of Ultimate Ears Drops 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

Ultimate Ears Drops 9hours

This is given by the manufacturer, and the Ultimate Ears Drops's case is said to have a full charge of 9 hours. A charging case with a longer battery life enables you to recharge your earbuds on the go several times before having to recharge the case itself.

Sennheiser CX 500BT's charging case has a battery life of 16 hours, more than that of Ultimate Ears Drops by 7 hours

Has Wireless Charging

Sennheiser CX 500BT ✗

Ultimate Ears Drops ✓

Ultimate Ears Drops, the device supports wireless charging. To charge the device, you just place down on a compatible charging pad.

Has A Battery Level Indicator

Sennheiser CX 500BT ✓

Ultimate Ears Drops ✓

The Ultimate Ears Drops 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 charging case.

Sennheiser CX 500BT too have a battery level indicator, charging indicators enable you tell the charging state of your device, if charged fully, or having a low battery.

Sennheiser CX 500BT
See price on Amazon

Has Usb Type-C

Sennheiser CX 500BT ✓

Ultimate Ears Drops ✓

Ultimate Ears Drops support USB TYPE-C, a standard connector for transmitting both data and power through a single cable.

Sennheiser CX 500BT too support USB TYPE-C. This USB-C plug is part and parcel of most current electronics.

Bluetooth Version

Sennheiser CX 500BT v5.2

Ultimate Ears Drops v4.2

The Ultimate Ears Drops have Bluetooth version of 4.2, Bluetooth is a wireless technology standard that allows data transfers between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves.

Sennheiser CX 500BT has a Bluetooth version of 5.2, newer than that of Ultimate Ears Drops . Newer versions provide faster data transfers.

Maximum Bluetooth Range

Sennheiser CX 500BT 10meters

Ultimate Ears Drops 10meters

Ultimate Ears Drops have a 10meters distance to connect via Bluetooth.

Sennheiser CX 500BT have a maximum range of 10meters, equal to that of the Ultimate Ears Drops

Has Aac

Sennheiser CX 500BT ✓

Ultimate Ears Drops ✓

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

Being the highest quality codec that any Bluetooth-supporting Apple product supports, the Ultimate Ears Drops will work well with your iPhone. 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 Sennheiser CX 500BT 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 ✓

Ultimate Ears Drops ✓

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

Sennheiser CX 500BT 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.

A Review By Comparison Of The Samsung Galaxy Buds 2 Vs. Ultimate Ears Drops

Number Of Microphones

Sennheiser CX 500BT 4only

Ultimate Ears Drops 2only

The Ultimate Ears Drops have 2 microphones.

The Sennheiser CX 500BT microphones are 4, more than that of Ultimate Ears Drops by 2 . More microphones result in better sound quality and help the device to filter out background sounds.

Has A Noise-Canceling Microphone

Sennheiser CX 500BT ✓

Ultimate Ears Drops ✗

Sennheiser CX 500BT use a noise-canceling type of microphone, these microphones are intended to reduce noise from the earbuds' sound.

Highest Mic Frequency

Sennheiser CX 500BT 10000Hz

Ultimate Ears Drops ✗

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

Ultimate Ears Drops ✗

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
See price on Amazon

Has Ambient Sound Mode

Sennheiser CX 500BT ✓

Ultimate Ears Drops ✓

Ultimate Ears Drops support ambient sound mode, which uses microphones to channel ambient noises so that they can still be heard even while wearing the earbuds

The Sennheiser CX 500BT 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, say you’re having a jog but still want to be able to hear traffic.

Has In/On-Ear Detection

Sennheiser CX 500BT ✓

Ultimate Ears Drops ✗

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

Has Find Earbuds Feature

Sennheiser CX 500BT ✓

Ultimate Ears Drops ✓

When lost in a room, or can't be found in your bag, Ultimate Ears Drops support the find earbuds feature.

The Sennheiser CX 500BT also have the find earbuds feature. You can use the device app on your phone to play an alarm from your device to help you find them.

Supports Fast Charging

Sennheiser CX 500BT ✓

Ultimate Ears Drops ✓

The Ultimate Ears Drops support fast charging. Most often, technologies like MediaTek’s Pump Express, are used to reduce the time it takes to fully charge the earbuds.

Sennheiser CX 500BT support fast charging. This kind is similar to regular charging, just that the battery fills up much faster. Say, with Quick Charge 3.0, the battery is charged to 50% in thirty minutes.

Multipoint Count

Sennheiser CX 500BT ✗

Ultimate Ears Drops 2only

Ultimate Ears Drops support multipoint of 2 connections, the multipoint feature allows you connect to more than one Bluetooth device and switch between them. Say, you can seemlessly switch calls from one device to another without manually disconnect and reconnect.

Has A Mute Function

Sennheiser CX 500BT ✓

Ultimate Ears Drops ✓

The Ultimate Ears Drops have a mute function, they have the option to mute/unmute a conversation directly from the earbuds.

The Sennheiser CX 500BT too support this function. The mute function means that you can turn off the device's microphone, but still hear the other party talk.

Control Panel Placed On A Device

Sennheiser CX 500BT ✓

Ultimate Ears Drops ✓

With the Ultimate Ears Drops, so you can access the volume control, pause, play, mute, etc whichever features are supported on the earbuds.

The Sennheiser CX 500BT too have a control panel on them.

Warranty Period

Sennheiser CX 500BT 2Years

Ultimate Ears Drops ✗

The 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 ✓

Ultimate Ears Drops ✓

Ultimate Ears Drops support voice prompts. With voice prompts, you receive information through audio messages, like if there is a problem with the connection.

The Sennheiser CX 500BT too have voice prompts meaning the earbuds will notify you if the battery is running low, and it's time to recharge the earbuds.

Travel Bag Is Included

Sennheiser CX 500BT ✓

Ultimate Ears Drops ✓

Ultimate Ears Drops come with a special case. Carrying earphones without a case, or placing them inside your bag without a casing can easily damage them.

Sennheiser CX 500BT also have a travel bag included, which is useful for safe transportation.

A Review By Comparison Of The Beats Studio Buds + Vs. Ultimate Ears Drops

Category	Features	Sennheiser CX 500BT	Ultimate Ears Drops
DESIGN	ingress protection (ip) rating	IPX4	✗
	weight	12g	✗
	has no wires or cables	✓	✓
	wingtips included	✗	✓
	sweat resistance	✓	✓
	is dust proof and water-resistant	✗	✓
	has stereo speakers	✓	✓
SOUND QUALITY	has active noise cancellation (noise control)	✓	✗
	has passive noise reduction	✓	✓
	driver unit size	✗	9.2mm
	lowest frequency	5Hz	20Hz
	highest frequency	21000Hz	20000Hz
	sound pressure level	94dB/mW	110dB/mW
POWER	battery life	8hours	6hours
	battery life of charging case	16hours	9hours
	has wireless charging	✗	✓
	has a battery level indicator	✓	✓
CONNECTIVITY	has usb type-c	✓	✓
	bluetooth version	v5.2	v4.2
	maximum bluetooth range	10meters	10meters
	has aac	✓	✓
	has aptx adaptive	✓	✓
MICROPHONE	number of microphones	4only	2only
	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	2Years	✗
	has voice prompts	✓	✓
	travel bag is included	✓	✓
		See price on Amazon

A Review By Comparison of the Ultimate Ears Drops Vs. Sennheiser Cx 500Bt

Reasons why you might like the Sennheiser CX 500BT

Reasons why you might like the Ultimate Ears Drops

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

Is Dust Proof And Water-Resistant

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

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

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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