A breakdown of the review per specifications

Ingress Protection (Ip) Rating

Sennheiser CX 500BT IPX4

Marshall Minor III IPX4

Ingress protection ratings is the rating of protection offered by an enclosure, against solids and liquids. 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 IPX4, the Marshall Minor III's rating is read as, the first value of X denotes 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.

In comparison to the Marshall Minor III, Sennheiser CX 500BT 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

Marshall Minor III 8g

Marshall Minor III have a weight of 8g . We consider a lower weight best for the reason that lighter devices are more comfortable to carry.

The Sennheiser CX 500BT, at 12g are heavier than the Marshall Minor III with a difference of 4g

Has No Wires Or Cables

Sennheiser CX 500BT ✓

Marshall Minor III ✓

True wireless devices have no wires linking any part of the device together, Marshall Minor III are true wireless for this case since they have no wires. This is a major difference as some wireless earbuds have wires connecting the 2 earbuds together.

Sennheiser CX 500BT also is true wireless since it doesn't have cables linking the two earbuds together.

Sweat Resistance

Sennheiser CX 500BT ✓

Marshall Minor III ✓

Marshall Minor III have sweat resistance

Sennheiser CX 500BT's resistance to sweat makes both devices fit for use during long-distance running, marathons, training in workout bodysuits, etc

Has Stereo Speakers

Sennheiser CX 500BT ✓

Marshall Minor III ✓

Marshall Minor III have stereo speakers, devices with stereo speakers deliver sound from separate channels on both left and right sides, creating a richer sound and a better listening experience.

Both Sennheiser CX 500BT and Marshall Minor III have stereo speakers

Sennheiser CX 500BT
See price on Amazon

Has Active Noise Cancellation (Noise Control)

Sennheiser CX 500BT ✓

Marshall Minor III ✗

ANC makes use of more advanced technology to actively counter noise. ANC works when, it listens to the sound pattern outside and inside the earbud and inverts the soundwaves to counter it. In simple terms, it's like taking +1 (sound from your surrounding) and adding -1 (inverted noise) giving zero resulting in a reduced level of noise.

The Sennheiser CX 500BT have Active Noise Cancellation enabling you to listen at lower volume levels, causing less ear fatigue as you don't have to crank up the device volume to overcome background noise.

Has Passive Noise Reduction

Sennheiser CX 500BT ✓

Marshall Minor III ✗

Sennheiser CX 500BT stay tightly in place, creating an acoustic seal that reduces background noise well as preventing the device music from leaking out at the same.

Driver Unit Size

Sennheiser CX 500BT ✗

Marshall Minor III 12mm

The Marshall Minor III have a unit size of 12mm in diameter, the bigger the unit the more powerful, therefor producing better bass. A driver unit is basically a mini speaker that produces sound in the device, the unit size dictates the sound made by the device.

Lowest Frequency

Sennheiser CX 500BT 5Hz

Marshall Minor III 20Hz

The Marshall Minor III's lowest frequency is at 20Hz, low-frequency response inidcates how well an audio device generates low frequencies that can be heard, and if it makes any changes to the signal on its way through.

Sennheiser CX 500BT's lowest frequency is at 5Hz, this implies that Sennheiser CX 500BT can produce a juicier bass than the Marshall Minor III

Highest Frequency

Sennheiser CX 500BT 21000Hz

Marshall Minor III 20000Hz

Marshall Minor III's highest frequency is at 20000Hz, high-frequency response tells how well a particular audio device produces high recognizable frequencies and if it 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 Marshall Minor III

Sound Pressure Level

Sennheiser CX 500BT 94dB/mW

Marshall Minor III ✗

SPL, 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.

A Review By Comparison Of The Fiio Fw5 Vs. Marshall Minor Iii

Battery Life

Sennheiser CX 500BT 8hours

Marshall Minor III 5hours

Marshall Minor III's battery life is 5 hours, a device's battery life is given by the manufacturer, and with longer battery life, you get to use it for longer and have to charge the device less often.

Sennheiser CX 500BT's battery life is more than that of Marshall Minor III by 3 hours . Every time you recharge your device, 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

Sennheiser CX 500BT 16hours

Marshall Minor III 25hours

This is given by the manufacturer, and the Marshall Minor III's case has a full charge of 25 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.

Sennheiser CX 500BT's charging case has a battery life of 16 hours, less than that of Marshall Minor III by 9 hours

Charge Time

Sennheiser CX 500BT ✗

Marshall Minor III 1.5hours

It requires 1.5 hours to fully charge the Marshall Minor III's battery. It is highly adivsable to fully charge the battery before using the earbuds when they have been unused for long periods.

Has Wireless Charging

Sennheiser CX 500BT ✗

Marshall Minor III ✓

Marshall Minor III, the device supports wireless charging. To charge the device, you just put down on a compatible charging pad.

Has A Battery Level Indicator

Sennheiser CX 500BT ✓

Sennheiser CX 500BT ✗

Marshall Minor III ✓

The Marshall Minor III 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).

A Review By Comparison Of The Fiio Fw5 Vs. Marshall Minor Iii

Number Of Microphones

Sennheiser CX 500BT 4only

Marshall Minor III 2only

The Marshall Minor III have 2 microphones.

While the Sennheiser CX 500BT microphones are 4, more than that of Marshall Minor III by 2 . More microphones result in better sound quality and help the device to filter out noise.

Has A Noise-Canceling Microphone

Sennheiser CX 500BT ✓

Marshall Minor III ✗

Sennheiser CX 500BT have a noise-canceling type of microphone, these microphones are designed to filter out noise from the earbuds' sound.

Highest Mic Frequency

Sennheiser CX 500BT 10000Hz

Marshall Minor III ✗

The 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

Category	Features	Marshall Minor III	Sennheiser CX 500BT
DESIGN	ingress protection (ip) rating	IPX4	IPX4
	weight	8g	12g
	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	12mm	✗
	lowest frequency	20Hz	5Hz
	highest frequency	20000Hz	21000Hz
	sound pressure level	✗	94dB/mW
POWER	battery life	5hours	8hours
	battery life of charging case	25hours	16hours
	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	✗	✓
	has aptx hd	✓	✗
MICROPHONE	number of microphones	2only	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 Marshall Minor Iii Vs. Sennheiser Cx 500Bt

Reasons why you might like the Sennheiser CX 500BT

Reasons why you might like the Marshall Minor III

A summary of the review by 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

Has Aptx Hd

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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