A breakdown of the review per specifications

Ingress Protection (Ip) Rating

Sennheiser CX 500BT IPX4

Skullcandy Indy Fuel IP55

Ingress protection ratings refer to the level of protection offered by a casing, against solids and water. The letters 'IP' are followed by two values The first value represents protection against solids say dust, followed by the one that refers to resistance against liquids (water).

Having a value of IPX4, the Sennheiser CX 500BT's rating for solids indicates that no data available to specify a protection rating, and the second value of 4 means 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, Skullcandy Indy Fuel have a rating of IP55 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, Skullcandy Indy Fuel has a higher liquid rating than Sennheiser CX 500BT

Weight

Sennheiser CX 500BT 12g

Skullcandy Indy Fuel 57g

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

The Skullcandy Indy Fuel, at 57g weigh more than the Sennheiser CX 500BT by of 45g

Has No Wires Or Cables

Sennheiser CX 500BT ✓

Skullcandy Indy Fuel ✓

For a device to be true wireless it should have no cables connecting any part of the device together, Sennheiser CX 500BT are true wireless for this matter since they don't have wires. This is a key distinction as some wireless earbuds have cables connecting the two earbuds together.

Skullcandy Indy Fuel also is true wireless because it doesn't have wires linking the two earbuds .

Wingtips Included

Sennheiser CX 500BT ✗

Skullcandy Indy Fuel ✓

The Skullcandy Indy Fuel come with wingtips, these are commonly used for earbuds for workouts and come as an optional add-on to the separate silicone ear tip for a more secure fit.

Sweat Resistance

Sennheiser CX 500BT ✓

Skullcandy Indy Fuel ✓

Sennheiser CX 500BT are resistant to sweat

Skullcandy Indy Fuel's resistance to sweat makes both devices fit for use while doing sports such as long-distance running, marathons, training in workout bodysuits, etc

Is Dust Proof And Water-Resistant

Sennheiser CX 500BT ✗

Skullcandy Indy Fuel ✓

The Skullcandy Indy Fuel are both dustproof and water-resistant.

Has Stereo Speakers

Sennheiser CX 500BT ✓

Skullcandy Indy Fuel ✓

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 Skullcandy Indy Fuel and Sennheiser CX 500BT have stereo speakers

Sennheiser CX 500BT
See price on Amazon

Has Active Noise Cancellation (Noise Control)

Sennheiser CX 500BT ✓

Skullcandy Indy Fuel ✗

ANC makes use of more advanced kind of tech to reduce unwanted ambient sounds. ANC works when, it listens to the sound pattern of incoming noise and then generates a mirror signal to counter it. Simply put, it's like taking +1 (noise) then adding -1 (counter sound by the device) to make 0 resulting in a reduced level of noise.

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

Has Passive Noise Reduction

Sennheiser CX 500BT ✓

Skullcandy Indy Fuel ✓

Sennheiser CX 500BT sit well in place, this creates an acoustic covering that tones down background noise while 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 ✗

Skullcandy Indy Fuel 6mm

Skullcandy Indy Fuel have a unit size of 6mm in diameter, bigger drivers are more powerful, and can produce better bass. The driver unit is the component that makes sound in the earbuds, the unit size corellates with the loudness of the device.

Lowest Frequency

Sennheiser CX 500BT 5Hz

Skullcandy Indy Fuel 20Hz

The Sennheiser CX 500BT's lowest frequency is at 5Hz, low-frequency response measures if and how well an audio component generates low frequencies that can be heard, and if it makes any changes to the signal on its way through.

Skullcandy Indy Fuel's lowest frequency is at 20Hz, this implies that Sennheiser CX 500BT can make sound with a juicier bass than the Skullcandy Indy Fuel

Highest Frequency

Sennheiser CX 500BT 21000Hz

Skullcandy Indy Fuel 20000Hz

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

Skullcandy Indy Fuel's highest frequency is at 20000Hz, this means that Sennheiser CX 500BT can produce a clearer and crispier treble than the Skullcandy Indy Fuel

Sound Pressure Level

Sennheiser CX 500BT 94dB/mW

Skullcandy Indy Fuel 105dB/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.

Skullcandy Indy Fuel's sound pressure level measurement is 105dB/mW. How loud something is can be perceived differently by different people, so we need to have a way of getting a standard measurement of sound level expressed in numerical terms.

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Battery Life

Sennheiser CX 500BT 8hours

Skullcandy Indy Fuel 3hours

The Sennheiser CX 500BT's battery life is 8 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.

Skullcandy Indy Fuel's battery life is less than that of Sennheiser CX 500BT by 5 hours . Every time you recharge your device, they get a little less playing 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

Skullcandy Indy Fuel 27hours

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

Skullcandy Indy Fuel's charging case has a battery life of 27 hours, more than that of Sennheiser CX 500BT by 11 hours

Charge Time

Sennheiser CX 500BT ✗

Skullcandy Indy Fuel 0.3hours

It takes 0.3 hours to fully charge the Skullcandy Indy Fuel's battery. It is recommended to fully charge the battery before using the earbuds when they have been unused for extended periods.

Has Wireless Charging

Sennheiser CX 500BT ✗

Skullcandy Indy Fuel ✓

The Skullcandy Indy Fuel, the device supports wireless charging. To charge the earbuds, you simply place down on a compatible charging pad.

Has A Battery Level Indicator

Sennheiser CX 500BT ✓

Skullcandy Indy Fuel ✓

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

Skullcandy Indy Fuel too have a battery level indicator, these allow 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 ✓

Skullcandy Indy Fuel ✗

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

Bluetooth Version

Sennheiser CX 500BT v5.2

Skullcandy Indy Fuel v5

The 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.

Skullcandy Indy Fuel has a Bluetooth version of 5, older than that of Sennheiser CX 500BT . Newer versions provide faster data transfers.

Maximum Bluetooth Range

Sennheiser CX 500BT 10meters

Skullcandy Indy Fuel ✗

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

Has Aac

Sennheiser CX 500BT ✓

Skullcandy Indy Fuel ✗

Sennheiser CX 500BT support AAC, a codec 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.

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 ✓

Skullcandy Indy Fuel ✗

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

Sennheiser CX 500BT 4only

Skullcandy Indy Fuel ✗

The Sennheiser CX 500BT have 4 microphones.

Has A Noise-Canceling Microphone

Sennheiser CX 500BT ✓

Skullcandy Indy Fuel ✗

The Sennheiser CX 500BT use a noise-canceling microphone, these microphones are made to reduce background sounds from the desired sound.

Highest Mic Frequency

Sennheiser CX 500BT 10000Hz

Skullcandy Indy Fuel ✗

The Sennheiser CX 500BT's highest mic frequency is 10000Hz, high frequencies are best 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

Skullcandy Indy Fuel ✗

The Sennheiser CX 500BT's lowest mic frequency is 100Hz, low frequencies are best 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 ✓

Skullcandy Indy Fuel ✗

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

Has In/On-Ear Detection

Sennheiser CX 500BT ✓

Skullcandy Indy Fuel ✗

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

Has Find Earbuds Feature

Sennheiser CX 500BT ✓

Skullcandy Indy Fuel ✗

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

Supports Fast Charging

Sennheiser CX 500BT ✓

Skullcandy Indy Fuel ✓

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

The Skullcandy Indy Fuel support fast charging. It's very similar to regular charging, only that the battery fills up much faster. Say, with Quick Charge 3.0, the battery can be charged to 50% in just 30 minutes.

Has A Mute Function

Sennheiser CX 500BT ✓

Skullcandy Indy Fuel ✓

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

The Skullcandy Indy Fuel too have this function. It means that you can turn off the device's microphone, but still hear the other party's voice.

Control Panel Placed On A Device

Sennheiser CX 500BT ✓

Skullcandy Indy Fuel ✓

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

The Skullcandy Indy Fuel also have a control panel on them.

Warranty Period

Sennheiser CX 500BT 2Years

Skullcandy Indy Fuel ✗

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 ✓

Skullcandy Indy Fuel ✓

The Sennheiser CX 500BT support voice prompts. With voice prompts, you receive information through audio messages, say if there is a problem with the connection.

Skullcandy Indy Fuel too support voice prompts .i.e the device will notify you if the battery is low, and it's time to recharge the device.

Travel Bag Is Included

Sennheiser CX 500BT ✓

Skullcandy Indy Fuel ✓

Sennheiser CX 500BT come with a special pouch. Carrying earphones openly, or putting them inside your bag without a cover can easily damage them.

Skullcandy Indy Fuel too have a case included, which is useful for safe transportation.

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Category	Features	Sennheiser CX 500BT	Skullcandy Indy Fuel
DESIGN	ingress protection (ip) rating	IPX4	IP55
	weight	12g	57g
	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	✗	6mm
	lowest frequency	5Hz	20Hz
	highest frequency	21000Hz	20000Hz
	sound pressure level	94dB/mW	105dB/mW
POWER	battery life	8hours	3hours
	battery life of charging case	16hours	27hours
	charge time	✗	0.3hours
	has wireless charging	✗	✓
	has a battery level indicator	✓	✓
CONNECTIVITY	has usb type-c	✓	✗
	bluetooth version	v5.2	v5
	maximum bluetooth range	10meters	✗
	has aac	✓	✗
	has aptx adaptive	✓	✗
MICROPHONE	number of microphones	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	✓	✓
	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. Skullcandy Indy Fuel

Reasons why you might like the Sennheiser CX 500BT

Reasons why you might like the Skullcandy Indy Fuel

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

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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