A breakdown of the review per specifications

Ingress Protection (Ip) Rating

Energy Sistem Sport 5 IPX4

Skullcandy Indy Fuel IP55

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

Scoring IP55, the Skullcandy Indy Fuel's rating for solids indicates 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 of liquids that they can withstand medium pressure jet that's 6.3mm diameter, similar to garden hose from any angle for 3 minutes at a distance of 2.5 to 3 metres.

In comparison to the Skullcandy Indy Fuel, Energy Sistem Sport 5 have a rating of IPX4 meaning that no data available to specify a protection rating and that of liquids is that, Energy Sistem Sport 5 has a lower liquid rating than Skullcandy Indy Fuel

Weight

Energy Sistem Sport 5 18g

Skullcandy Indy Fuel 57g

The Skullcandy Indy Fuel have a weight of 57g . We prefer a lower weight better for the reason that lighter devices are more comfortable to transport.

Energy Sistem Sport 5, at 18g weigh less than the Skullcandy Indy Fuel with a difference -39g

Has No Wires Or Cables

Energy Sistem Sport 5 ✓

Skullcandy Indy Fuel ✓

For a device to be true wireless it must have no wires linking any part of the device together, Skullcandy Indy Fuel are true wireless for this case since they don't have cables. This is a major difference as some wireless earbuds have cables connecting the two earbuds together.

Energy Sistem Sport 5 also is true wireless since it has no wires linking the pair of earbuds .

Wingtips Included

Energy Sistem Sport 5 ✓

Skullcandy Indy Fuel ✓

Skullcandy Indy Fuel have wingtips, these are reserved for earbuds for workouts and are usually an optional add-on to the separate silicone ear tip for a better fit.

Energy Sistem Sport 5 too have wingtips, these rest against the triangular fossa and form a secure fit to combat vigorous movement, wingtips come in handy for sports and other physical activities. If applied correctly, they prevent the earbuds from falling off.

Sweat Resistance

Energy Sistem Sport 5 ✓

Skullcandy Indy Fuel ✓

Skullcandy Indy Fuel have sweat resistance

Energy Sistem Sport 5's resistance to sweat makes both devices ideal for use during long-distance running, marathons, training in workout bodysuits, etc

Is Dust Proof And Water-Resistant

Energy Sistem Sport 5 ✗

Skullcandy Indy Fuel ✓

Skullcandy Indy Fuel are both dustproof and water-resistant.

Has Stereo Speakers

Energy Sistem Sport 5 ✓

Skullcandy Indy Fuel ✓

Skullcandy Indy Fuel have stereo speakers, devices with stereo speakers deliver sound from separate channels on both left and right sides, this creates a richer sound and a better listening experience.

The Energy Sistem Sport 5 also have stereo speakers

Energy Sistem Sport 5
See price on Amazon

Has Passive Noise Reduction

Energy Sistem Sport 5 ✓

Skullcandy Indy Fuel ✓

The Skullcandy Indy Fuel sit tightly in place, creating a sound covering that tones down background noise and also prevents the device sound from leaking out at the same.

Both of these devices have passive noise reduction this means that both tone down ambient noise without using ANC to cancel it out.

Driver Unit Size

Energy Sistem Sport 5 14mm

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. A driver unit is basically a mini speaker that makes sound in the device, its size determines the loudness of the earbuds.

Energy Sistem Sport 5 driver unit is 14mm in diameter, making them have a larger driver unit than that of Skullcandy Indy Fuel by 8mm , as many tend to believe that driver units of a bigger size automatically produce better sound quality.

However, large drivers usually have difficulty producing high frequencies so yes, larger drivers can generate louder sound, but this does not imply that they deliver better quality sound.

Lowest Frequency

Energy Sistem Sport 5 20Hz

Skullcandy Indy Fuel 20Hz

Skullcandy Indy Fuel's lowest frequency is at 20Hz, low-frequency response measures if and how well an audio component generates low audible frequencies and if it alters the signal on its way through.

Energy Sistem Sport 5's lowest frequency is at 20Hz, this means that both devices can make sound with equal bass

Highest Frequency

Energy Sistem Sport 5 20000Hz

Skullcandy Indy Fuel 20000Hz

Skullcandy Indy Fuel's highest frequency is at 20000Hz, high-frequency response tells how well a particular audio device generates high human frequencies and if it changes to the signal on its way through.

Energy Sistem Sport 5's highest frequency is at 20000Hz, this implies that both devices generate equal treble

Sound Pressure Level

Energy Sistem Sport 5 ✗

Skullcandy Indy Fuel 105dB/mW

The sound pressure level, is the level of pressure of sound, measured in decibels, dB, Skullcandy Indy Fuel's measurement is 105dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.

Has A Neodymium Magnet

Energy Sistem Sport 5 ✓

Skullcandy Indy Fuel ✗

The Energy Sistem Sport 5 have neodymium magnets, if used in earbuds produce a higher sensitivity and substantial sound output while using less power. They can help produce music at quite a high SPL, with the use of high magnetic flux.

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Battery Life

Energy Sistem Sport 5 5hours

Skullcandy Indy Fuel 3hours

Skullcandy Indy Fuel's battery life is 3 hours, a device's battery life is commonly given by the manufacturer, and with longer battery life, you get to use it for longer and have to charge the device less often.

Energy Sistem Sport 5's battery life is more than that of Skullcandy Indy Fuel by 2 hours . 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

Energy Sistem Sport 5 20hours

Skullcandy Indy Fuel 27hours

This is given by the vendor, and Skullcandy Indy Fuel's case is said to have a charge of 27 hours. A charging case with more battery hours enables you to recharge your earbuds on the go multiple times before recharging the case itself.

Energy Sistem Sport 5's charging case has a battery life of 20 hours, less than that of Skullcandy Indy Fuel by 7 hours

Charge Time

Energy Sistem Sport 5 1.5hours

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.

Energy Sistem Sport 5 takes 1.5 hours to fully charge the battery, more than that of Skullcandy Indy Fuel by 1.2 hours

Battery Power

Energy Sistem Sport 5 40mAh

Skullcandy Indy Fuel ✗

Energy Sistem Sport 5's battery power is 40mAh, battery capacity, represents the amount of electrical energy that a battery can keep.

Has Wireless Charging

Energy Sistem Sport 5 ✗

Skullcandy Indy Fuel ✓

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

Has A Battery Level Indicator

Energy Sistem Sport 5 ✓

Skullcandy Indy Fuel ✓

Skullcandy Indy Fuel have a battery level indicator, an indicator notifies you when the earbuds has a low battery. The battery indicator lights show the charging state of your earbuds and charging case.

Energy Sistem Sport 5 too have a battery level indicator, these enable you tell the charging state of your device, whether fully charged, or having a low battery.

Energy Sistem Sport 5
See price on Amazon

Has Usb Type-C

Energy Sistem Sport 5 ✓

Skullcandy Indy Fuel ✗

The Energy Sistem Sport 5 use USB TYPE-C, a standard connector for transmitting both data and power through a single cable.

Bluetooth Version

Energy Sistem Sport 5 v5

Skullcandy Indy Fuel v5

The Skullcandy Indy Fuel have Bluetooth version of 5, Bluetooth is a wireless technology standard that enables data movement between devices placed in range, using short-wavelength, ultra-high frequency radio waves.

Energy Sistem Sport 5 has a Bluetooth version of 5, equal to that of the Skullcandy Indy Fuel . Newer versions provide faster data transfers.

Maximum Bluetooth Range

Energy Sistem Sport 5 10meters

Skullcandy Indy Fuel ✗

The Energy Sistem Sport 5 have a 10meters distance to connect via Bluetooth.

Has Aac

Energy Sistem Sport 5 ✓

Skullcandy Indy Fuel ✗

Energy Sistem Sport 5 support AAC, a codec used for Bluetooth audio. It supports 24-bit audio at 250kbps. Since it uses psychoacoustic modeling, it provides better results than other codecs at the same bit rate.

Being the highest quality codec that any Bluetooth-supporting Apple product supports, the Energy Sistem Sport 5 will work well 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.

Has Ldac

Energy Sistem Sport 5 ✓

Skullcandy Indy Fuel ✗

The Energy Sistem Sport 5 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 can reach a high bitrate of 990kbps, providing high-resolution audio.

Has Aptx Adaptive

Energy Sistem Sport 5 ✓

Skullcandy Indy Fuel ✗

Energy Sistem Sport 5 support APTX Adaptive, an audio codec for Bluetooth devices that are developed by Qualcomm. It has a variable bit rate (between 279kbps and 420kbps).

Has Aptx Low Latency

Energy Sistem Sport 5 ✓

Skullcandy Indy Fuel ✗

Energy Sistem Sport 5 support APTX Low Latency, a codec developed by Qualcomm. It uses Bluetooth 5.0 technology to provide low latency audio (around 40ms), which is useful when you want to avoid audio lag for example when playing games.

Has Aptx Hd

Energy Sistem Sport 5 ✓

Skullcandy Indy Fuel ✗

The Energy Sistem Sport 5 support APTX HD, an audio codec for Bluetooth devices that are developed by Qualcomm. It supports high-quality 24-bit audio (at a bit rate of 576kbps).

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Number Of Microphones

Energy Sistem Sport 5 2only

Skullcandy Indy Fuel ✗

Energy Sistem Sport 5 have 2 microphones.

Mic Sensitivity

Energy Sistem Sport 5 -42dBV/Pa

Skullcandy Indy Fuel ✗

The Energy Sistem Sport 5 microphone sensitivity is measured at -42dBV/Pa. The amount of the analog or digital output signal from the microphone with its input stimulus is a measure of its sensitivity. It's the 'loudness' of the sound that the earbud microphone can recognize.

Highest Mic Frequency

Energy Sistem Sport 5 10000Hz

Skullcandy Indy Fuel ✗

Energy Sistem Sport 5's highest mic frequency is 10000Hz, high frequencies are better for picking up treble. The highest mic frequency of a microphone is known as its upper limiting frequency.

Lowest Mic Frequency

Energy Sistem Sport 5 100Hz

Skullcandy Indy Fuel ✗

The Energy Sistem Sport 5'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.

Energy Sistem Sport 5
See price on Amazon

Has Ambient Sound Mode

Energy Sistem Sport 5 ✓

Skullcandy Indy Fuel ✗

Energy Sistem Sport 5 support ambient sound mode, which uses microphones to channel ambient noises to still be heard even when wearing them

Has In/On-Ear Detection

Energy Sistem Sport 5 ✓

Skullcandy Indy Fuel ✗

Energy Sistem Sport 5 have 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

Energy Sistem Sport 5 ✓

Skullcandy Indy Fuel ✗

When misplaced in a room, or can't be found in your bag, Energy Sistem Sport 5 support the find earbuds feature.

Supports Fast Charging

Energy Sistem Sport 5 ✓

Skullcandy Indy Fuel ✓

The Skullcandy Indy Fuel support fast charging. Usually, technologies like MediaTek’s Pump Express, are used to lower the amount of time it takes to charge a device.

Energy Sistem Sport 5 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 can be charged to 50% in just 30 minutes.

Has A Mute Function

Energy Sistem Sport 5 ✓

Skullcandy Indy Fuel ✓

The Skullcandy Indy Fuel have a mute function, they support the option to mute/unmute a conversation directly from the earbuds.

The Energy Sistem Sport 5 also support this function. It means that you can turn off the earbuds' microphone, but still hear the other party talk.

Control Panel Placed On A Device

Energy Sistem Sport 5 ✓

Skullcandy Indy Fuel ✓

With the Skullcandy Indy Fuel, so you can access the volume control, pause, play, mute, etc whichever features are supported on the earbuds.

Energy Sistem Sport 5 too have a control panel on them.

Has Voice Prompts

Energy Sistem Sport 5 ✓

Skullcandy Indy Fuel ✓

The Skullcandy Indy Fuel have voice prompts. With voice prompts, you receive information via audio messages, say if there is an issue with the connection.

Energy Sistem Sport 5 also have voice prompts meaning the device notifies you when the battery is low, and it's time to recharge them.

Travel Bag Is Included

Energy Sistem Sport 5 ✓

Skullcandy Indy Fuel ✓

The Skullcandy Indy Fuel come with a special pouch. Carrying earbuds without a case, or placing them inside your bag without a cover can easily damage them.

Energy Sistem Sport 5 too have a case included, which offers safe transportation.

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Reasons why you might like the Energy Sistem Sport 5

Reasons why you might like the Skullcandy Indy Fuel

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 Passive Noise Reduction

Driver Unit Size

Lowest Frequency

Highest Frequency

Sound Pressure Level

Has A Neodymium Magnet

Power

Battery Life

Battery Life Of Charging Case

Charge Time

Battery Power

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

Has Aptx Low Latency

Has Aptx Hd

Microphone

Number Of Microphones

Mic Sensitivity

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

Has Voice Prompts

Travel Bag Is Included

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