Sunday, March 24, 2024

2024 Annual Headphone Shootout Part 2: The In-Ear Monitors

Now it’s time for the second part of our Headphone shootout. Time for the In-Ear Monitors, or IEMs. We have some good companies represented, with some great models. Some have unique features. First is the Mymanu Clicks S, for $159, followed by PBS M4U TWM at $199 MSRP, JBL Tour Pro 2 at $249 MSRP, Sennheiser Momentum 4 True Wireless $299 MSRP. And last but not least, the Master & Dynamic MW09 at $399 MSRP

 

We do this around the time of March Madness, figured with basketball teams duking it out, let’s do a headphone shootout. Unlike March Madness where teams are divided up in seeds, the headphones have their prices.  And as with March Madness, sometimes a headphone can perform better than a model priced higher than them. We also do a torture test for their Bluetooth performance. We’ll start with the cheapest model, and work our way up. So, let’s begin.

 

First up is the Mymanu Click S. It came in a nice-looking color printed box with photos of the IEM with it’s features and specs. Opening the box revealed a well-protected product held in place in its charging case. Materials used in the construction is mostly plastic. Quality of materials used as well as the fit and finish was good. Also included was additional sized eartips, charging case, charging cable and owner’s manual.

Features and specs: 

Headphone Style: In Ear / Earbuds

Active Noise Cancellation: No

Echo Reduction: No

True Wireless Connectivity: Yes

Bluetooth: 5.0

Supported Audio Codecs: Aptx

Wireless Standby Time: 30 Hours with charging case

Battery Runtime: 10 hours single charge

Technology: Advanced Machine Learning technology

Translation Ability: Real-time Translation

Number of Voice Mics: 4

Color: Black

Materials: ABS Plastic

Product Dimensions: 0.8"H x 1"L x 0.9"W

Water/Sweat Resistant: Yes

Compatibility: iOS 10.0 or later, Android 4.1 or later

App Support: MyJuno App

App Requires: iOS 13+ or Android 5+

Works with Google Assistant: Yes

Warranty: Manufacturer's 1-year limited warranty

Designed for: Business, Travel, Gaming, Sports and Kids

 


I like the unique design of the Mymanu Click S. They work great as IEM’s but also have an extremely unique feature of a language translator. So if you travel to a foreign country, or just need to talk to someone with a different language than you, they help break the language barrier.  They could be perfect for anyone that travels.

 

It works through their app. You open the app, select your language and select their language. You then click the button on your earbud, speak and the translation is shown on your phone and played through the speaker of your smartphone. Then they speak into your phone, and you hear the translation in your earbuds. When not used for translation, they work great for your music and phone calls. The charging case provides extra charges. Now let’s see how they sound.

 


Nat King Cole – L-O-V-E: Hi-hat is crisp and clean. Bass is smooth with really good depth and plays with sufficient output. Piano sounded natural. Vocals were smooth with good texture. Strings were really smooth with nice tone. Trumpet was really crisp and clean, lots of dynamics and good harmonics. Imaging was good and soundstage was wide.

Guns & Roses – Patience: acoustic guitar was nice and crisp and clean with good resolution of the strings. The whistling was very smooth with very good harmonics. Vocals were also smooth with nice texture.

Brandon Beal – Drop That Booty Down Low: Vocals had great harmonics with great texture. Bass was tight and hit with good authority. And when the booty got dropped down low, it played really deep and played with really good authority.

 

Next up is the PSB M4U TWM. They came in a great looking color printed box with photos and specs of the IEMs. Opening the box revealed a well-protected headphone held in its charging case. Materials used in the construction was mostly plastic. Quality of materials used as well as fit and finish was very good. Also included were additional sized ear tips, charging case, and manual.

 

Features and specs:

Frequency Response Within ±1 1/2dB: 20 - 20,000Hz

Transducer Type:  Magneto-Static & Dynamic

Operating Principle: Sealed

Size: 6mm

Ear Coupling:  In-Ear

Connection:  Bluetooth version

1/8”* (3.5mm) Stereo Jack (Left or Right)

Bluetooth quality:  aptX™ Adaptive, AAC, SBC

Operating distance:  10m


Battery

Music time:  8 hours

Charging time:  66 minutes

Charging input:  5V, 1A

Earbuds:  8 hours

Case:  3 additional charge cycles

Case recharge time:  2 hours

Construction

Driver enclosure:  ABS + Rubber

Earpads: Silicon

Travel Case

Smart Charging:  Dimensions / Weights / Finish

Overall:  18 x 22 x 17mm (5/32 x 7/8 x 11/16”)

Travel Case:  64 x 36 x 32mm (2 17/32 x 1 27/64 x 1 17/64”)

Weight:  5g (0.18oz)

Finish:  Black

 


The PSB M4U TWM is another model with unique features. Where most headphones use either dynamic or balanced armature drivers, the PSB M4U uses a two-way design with a magneto-static driver that employs a thin ribbon with high current to deliver amazing high frequencies, and a dynamic planar driver for midrange and bass delivers not only natural mids and also clean deep bass.

 

In addition to the unique driver design, the PSB M4U TWM also provides a custom hearing test through it’s app to custom tune the IEM’s to your hearing. RoomFeel Tuning provides the sound you get from a pair of high-quality speakers in a room. The app also has different EQ settings to set the sound curves that you prefer. The charging case provides extra charge to provide for long listening sessions. Setting up the IEM’s through the app was easy. Now let’s hear how they sound.

 

Nat King Cole – L-O-V-E: Hi-hat was really crisp and clean with great resolution. Bass was smooth with very good depth and had authority. Piano sounded very natural. Vocals had excellent resolution of the texture of the timbre. Strings were really smooth with excellent resolution. Trumpet was extremely dynamic with excellent harmonics and really crisp and clean. Imaging was excellent and soundstage was not just wide but also deep.

Guns & Roses – Patience: Acoustic guitar was extremely crisp and clean with excellent resolution of the decay of strings. Whistling was smoother than honey with excellent harmonics. Vocals were smooth with excellent texture of the timbre. They also provided a huge, wide, and deep soundstage.

Brandon Beal – Drop That Booty Down Low: Vocals had excellent harmonics with just as good texture of the timbre. Bass beats were clean, hit hard, and played with good authority. And when he dropped it down low, the bass had really good low-end extension and played with authority.

 


Now it’s time for the JBL Tour Pro 2. They came in a nice-looking color printed box with photos and specs of the IEM. Opening the box was similar to previous models. The IEMs were well protected, held in place in the charging case. Materials used in the construction was mostly plastic. Quality of materials used in the construction, as well as the fit and finish, was very good. Also included was the charging case, charging cable, additional sized ear tips, and manual.

 

Features and specs:

General Specifications 

Driver size (mm):  10

Number of Microphones:  6

 

Audio Specifications

Driver sensitivity at 1kHz/1mW (dB):  100 dB SPL@1 kHz

Dynamic frequency response range (Hz):  20 Hz - 20 kHz

Impedance (ohms):  16

 

Dimensions

Charging Case Weight (oz):  2.6

Earpiece Weight (oz):  0.42

Charging Case Weight (g):  73

Earpiece Weight (g):  12.2

 

Control and Connection Specifications

Bluetooth version:  5.3

Bluetooth profiles:  A2DP V1.3.2, AVRCP V1.6.2, HFP V1.7.2

Bluetooth frequency:  2.4 GHz - 2.4835 GHz

Bluetooth transmitted modulation:  GFSK, π/4-DQPSK, 8-DPSK

Bluetooth transmitter power:  <15 dBm (EIRP)

 



Battery

Charging time (hours from empty):  2

Maximum music play time with ANC off (hours):  10

Maximum music play time with ANC on (hours):  8

Maximum play time (hours):  40

 

Features

True Adaptive Noise Cancelling:  Yes

Carrying case:  Yes

JBL Legendary Pro Audio Sound:  Yes

Spatial Sound:  Yes

Smart case:  Yes

IP Code:  IPX5

Charging cable:  Yes

Voice Assistant integration:  Yes

Ambient Aware:  Yes

Built-in Microphone:  Yes

Hands Free Call:  Yes

TalkThru:  Yes

Touch Control:  Yes

Adaptive Noise Cancelling:  Yes

Active Noise Cancelling:  Yes

Wireless:  Yes

Water Resistant:  Yes

Charging case:  Yes

Speed charge:  Yes

Rechargable battery:  Yes

Bluetooth:  Yes

 

The trend continues with the JBL Tour Pro 2 also having unique features. All previous models, including the JBL, have an app. Through the app you can control the features. But unlike the other models, they also have a touch screen display on the side of the charging case.  There’s no need to open the app to adjust the settings, which makes it more convenient. And the touch screen display can do much more. You can even manage calls, and see incoming messages. Music is easily managed with it as well as sound settings.  You can even go in silent mode to turn off calls if you need a nap. And if you lose one earbud, it can help you find it. JBL also provides Personal-fi 2.0, which uses a hearing test to personalize the sound to your hearing.

 

As with most time wireless IEM’s also providing a charging case, the JBL Tour Pro 2 also provides other excellent features. It’s True Adaptive Noise Cancelling works with your surroundings. Smart Ambient adjusts to the level of sound from your surroundings that you want to allow in. Spatial Sound makes it sound like you’re in the concert hall, or the studio with your band. Perfect Calls uses the 6 built-in mics for the best phone calls. The JBL app allows you to use EQ settings to adjust the sound to your liking. Setting them up was simple though the app. Now let’s see how they sound.

 

Nat King Cole – L-O-V-E: Hi-hat was extremely crisp and clean. Bass was not only smooth but also played really deep with a ton of authority. Piano sounded very natural. Vocals were silky smooth with excellent resolution of the texture of the timbre. Strings were smooth like honey with excellent resolution. Trumpet was extremely crisp and clean with similar dynamics and resolution without being too brassy, with excellent harmonics. Imaging was excellent and soundstage was both wide and deep.

Guns & Roses – Patience: acoustic guitar was extremely crisp and clean with excellent resolution of the decay of the strings. The whistling was so silky smooth with excellent harmonics. Vocals were also silky smooth with excellent texture of the timbre. Soundstage was also nice and wide and deep.

Brandon Beal – Drop That Booty Down Low: vocals had excellent harmonics with excellent texture of the timbre. Bass beats were really clean, with very good punch and output. And when he dropped the booty down low, it was more like Thor dropping his hammer down!

 

Next up is the Sennheiser True Wireless Momentum 4. They came in a nice-looking color printed box with photos and specs of the headphones. Opening the box, the IEMs were well protected held in place in their charging case. Materials used in the construction was mostly plastic. Quality of materials used, as well as fit and finish was very good. Also included was the charging case, charging cable, additional sized ear tips, and manual.

 

Features and specs:

Wearing style:  True wireless stereo earphones

Ear Coupling:  Ear canal

Connectivity:  Bluetooth 5.4 compliant, class 1, 10 mW (max); Bluetooth Classic and Bluetooth LE Audio supported

Transmission frequency / modulation:  2,402 MHz to 2,480 MHz; GFSK, π/4 DQPSK / 8DPSK

Supported Profiles:  A2DP, AVRCP, HFP, TMAP, PBP

Supported codecs:  SBC, AAC, aptX™, aptX™ Adaptive/Lossless, LC3

Speaker principle:  Dynamic

Speaker type/size:  TrueResponse™ dynamic, 7mm diameter

Speaker frequency range:  5 Hz to 21 kHz

Speaker sensitivity:  107 dB SPL (1 kHz / 1 mW)

Speaker THD:  <0,08% (1 kHz / 94 dB)

Active Noise Cancellation:  Hybrid Adaptive ANC

Mic principle:  MEMS

Mic frequency range:  100 Hz to 10 kHz

Mic pick-up pattern:  3 mics per earbud, beamforming for noise reduction

Battery lifespan:  Up to 7.5 hrs music playtime with earbuds (ANC off); Up to 7.0 hrs music playtime with earbuds (ANC on) Up to 30 hrs overall music playtime with charging case (test condition: iPhone, mid volume level 85 dB)

Battery type:  Built-in Lithium-Ion rechargeable batteries; Left/right earbud: 75 mAh, charging case: 820 mAh

Power Supply:  5 V, 1000 mA max; USB charging via USB-C socket at charging case; Qi Wireless charging

Magnetic strength field:  Earbuds: 0.95 mT, charging case: 105 mT

Weather resistance:  IP54, dust and splash resistant (earbuds only)

Product Specification:  72.4 g (both earbuds and charging case) 6.2 g (single earbud) 66.4 g (charging case) 70,1 x 44,6 x 34.8 mm (earbuds and charging case)

Operating condition:  Operating temp: 0 to +40°C; Charging temp: 5 to 35°C Rel. humidity 25 to 75%, non-condensing

Storage condition:  Temp: –20 to +60°C; Rel. humidity 10 to 90%

App support:  Sennheiser Smart Control app for iOS™ and Android™

 

The Sennheiser Momentum True Wireless 4 has it’s share of fancy features. It starts with it’s time Response Transducer System that provides high end sound for treble and bass. The Adaptive Noise Cancellation adjusts the noise cancellation to your surroundings. You also get future proof technologies with Auracast and LE audio. Lossless audio provides a bit-by-bit mirror image of the original track.

 

The Sennheiser Momentum True Wireless 4 also has you covered for long listening sessions. There’s multiple sized ear tips to get a comfortable fit for long listening sessions. The charging case provides up to 30 hours of listening. And when it’s time for charging, there’s fast Q and wireless charging. To tie everything in for the perfect sound, there’s Sound Personalization. It’s a sound check to customize the sound to your hearing. And you can customize it further with sound zones and an adaptive 5-band EQ. Setting them up was easy. Now let’s see how they sound.

 

Nat King Cole – L-O-V-E: Hi-hat was extremely crisp and clean with resolution to hear the impact of the stick on the metal. Bass was silky smooth with great depth and played with excellent authority. Piano sounded very natural. Vocals were silky smooth with excellent resolution of the texture of the timbre. Strings were smooth as Swiss chocolate. Trumpet was so crisp and clean with excellent harmonics and resolution and dynamics. Imaging and soundstage was close to over the ear headphones with spot on imaging and width and depth of soundstage that was almost holographic.

Guns & Roses – Patience: acoustic guitar was extremely crisp and clean, with amazing resolution of the plucking and decay of the strings. Whistling was so silky smooth with stellar harmonics. Vocals were just as smooth, and soundstage was both wide with depth that was both up front and deep.

Brandon Beal – Drop That Booty Down Low: vocals had stellar harmonics with excellent texture of the timbre. Bass beats were clean with really good punch and authority. And when the booty got dropped down low, it was more like the epicenter of an earthquake, it was so clean and had such authority.

 


Last but not least is the Master & Dynamic MW09. They came in a nice-looking color printed case with photos and specs of the IEM. Opening the box revealed the charging case which held the IEMs securely in place. Materials used in the production was metal as well as plastic and sapphire glass. Quality of materials used as well as fit and finish was excellent. Also included was the charging case, extra sized ear tips, charging cable, and manual.

 

Features and specs:

Model:  MW09 Active Noise-Cancelling True Wireless Earphones

Materials:  Aluminum and sapphire glass earphones, charging case made with Kevlar® fiber or aluminum

Dimensions:  Charging case - 45.5 x 64.5 x 25.6 mm (H x W x D), Earphones - 20.3 x 21.5 x 21 mm (H x W x D)

Weight:  Earphones - 8.1g each, charging case (Kevlar®) - 50.5g, charging case (Aluminum) - 62.5g

Dust and Waterproof Rating:  Earphones are IP54, charging case is IPX4

Active Noise-Cancelling:  3 modes of Hybrid ANC including Adaptive ANC, All Day ANC, and Max ANC

Drivers:  11mm beryllium

Audio Format:  Supports AAC, LC3, SBC, AptX Lossless up to 16-bit / 44.1 kHz, AptX Adaptive up to 24-bit / 96 kHz, and AptX Adaptive low latency gaming mode. Auracast Ready.

Microphone Type:  6-microphone talk solution with proprietary wind reduction, 3 microphones in each earphone

Ambient Listening Modes:  Awareness Mode, Voice Mode, Natural Mode

Earphone Battery Life:  Up to 16 hours playtime

Earphone and Case Charging Time:  50% in 20 minutes, 100% in 60 minutes via cable, 100% in 185 minutes via wireless charging

Charging Case Battery Life:  32 additional hours of charge, Up to 48 hours total playtime

Case Charge Time:  50% in 20 minutes, 100% in 60 minutes via cable, 50% in 70 minutes, 100% in 160 minutes via wireless charger

Bluetooth Profile:  Bluetooth® 5.4

Connectivity Distance:  100ft/30m

 

I love the design of the Master & Dynamic MW09. They are a premium IEM, and it shows. It all starts with the build quality. They are made with aluminum with sapphire glass, absolutely stunning. It continues with a Kevlar case. And if that wasn’t enough, there’s beryllium drivers, and 6 microphones in an A.I. enhanced talk solution. They are even future proof, being Auracast and LE Audio ready.

 

The Master & Dynamic MW09 also has the features found on most other time wireless IEMs. There’s Adaptive Noise Cancellation, to match your surroundings. The case provides an additional 32 hours of charge. You get both silicon and foam tips in multiple sizes, so you get the best fit for you. The app provides a fully adjustable EQ, to get the best sound for you. The Master & Dynamic MW09 provides the design and features for excellent sound now, and in the future. Setup was simple. Now let’s see how they sound.

 

Nat King Cole – L-O-V-E: Hi-hat was extremely crisp and clean with excellent resolution of the stick on the metal. Bass was very smooth with great low-end extension and played with great authority. Piano sounded more natural than they should at this price point. Vocals were smooth like a Dove bar with excellent resolution of the texture of the timbre. Strings were also smooth like honey with great resolution of the strings. Trumpet was extremely crisp, clean, dynamic, with excellent harmonics. Imaging was on a dime, with an excellent soundstage that was both wide and deep.

Guns & Roses – Patience: acoustic guitar was killer with its transparency of the plucking and decay of the strings, so crisp and clean! The whistling was so amazing. Smoother than Swiss chocolate and stellar harmonics! Vocals were equally smooth with excellent texture of the timbre. Soundstage was again both wide and deep, with depth being both forward and deep.

Brandon Beal – Drop That Booty Down Low: Vocals had amazing harmonics with excellent texture of the timbre. Bass was so clean and hit really hard and did so cleanly with great authority. And when the booty got dropped down low, it was more like a bomb going off, with excellent low-end extension and authority!


For wireless testing we go far and above what the specs say they are good for.  We do a torture test to see what their limits are. This involves leaving my smartphone in my basement and walking around the basement, then going upstairs to the main floor and walking around the main floor, and then going up to the 2nd floor and walking around the main floor.  With more thick floors getting between me and my smartphone as I go up in floors, it is a true torture test. And the last test is outdoors in the open walking out to 200ft to see at what distance connection is lost.

For Mymanu Click S – no problems in the basement, a little quirky on the main floor, but ok once you stop moving. And on the 2nd floor it was the same. A little quirky but ok once not moving. So amazingly it was useable on both main floor and 2nd floor. Outside it was usable up to 150 ft.

PSB M4U TWM– No problem at all through walls in basement, but both main floor and 2nd floor were equally glitchy and questionable. Outside they were good to the 200 ft no problem.

JBL Tour Pro 2 – no problems though all basement walls. Both main and 2nd floors were equally a bit too glitchy so questionable. Outside a small glitch at 180 ft, usable all the way to 200 ft.

Sennheiser Momentum True Wireless 4– multiple walls in basement no problem. Both main floor and 2nd floor were too glitchy so not useable. Outside got a glitch at 180 ft but good to 200 ft.

Master & Dynamic MW09– no problems in the basement. Main floor was a little glitchy and barely usable. 2nd floor was too glitchy so not useable. Outside it was a little glitchy at around 120 ft but then good to 200 ft.

 

For ANC, for JBL Tour Pro 2, the Adaptive Noice Cancelling with ambient more doing a great job of bringing in the sounds of the environment around you. And for ANC enabled, it removed about 90% of the noise around me.  For Sennheiser Momentum True Wireless 4, in ambient mode it performed in spades bringing in the sound of my environment.  And for ANC it removed around 90% of the noise around me.  Last but not least is the Master & Dynamic MW09.  The ambient mode performed extremely well, bringing in the environment around me. And for ANC they removed close to 95% of the noise around me, performing better than expected.

I was impressed with all five of the contenders this year, and surprised with the performance of both the Mymanu Click S, and PSB M4U TWM.  While the Mymanu didn’t knock off anyone above them in price, they still performed much better than their price point.  And while the PSB M4U TWM also did not knock off a contender above them, they came close to the overperforming the JBL.  The PSB’s drivers provided excellent sound and resolution in the highs, mids, and lows, the lows while having good depth did not have the same output of the other models.  And with the PSB M4U TWM you also do not get the ANC.  And while the JBL Tour Pro 2 provided excellent sound they didn’t overperform those above them. But with the added functionality of the LCD display on the case, they came very very close!  The Sennheiser Momentum True Wireless 4 stellar sound that was better than expected, with the refined Sennheiser sound, and gave the Master & Dynamic a run for the money.  And I loved their unique and elegant looking cloth covered charging case.  The Master & Dynamic MW09 with their beryllium drivers provided phenomenal sound, and also raised the games with their luxurious aluminum and sapphire glass construction and carbon fiber case.

 


No matter your budget, all of the models provided great performance at their price points.  With the Mymanu Click S you also get the added benefit of a translator for traveling.  While the PSB M4U TWM lacks ANC, you do get some audiophile drivers that provides the same caliber of sound.  For the JBL Tour Pro 2 you get excellent sound and features, and a really cool LCD display on the case for unique added functionality.  And the Sennheiser Momentum True Wireless 4 and Master & Dynamic MW09 both take the sound to a higher level, with the Master & Dynamic adding luxurious construction materials.  Based on their design, features, quality, and performance, the Mymanu Click S has earned our Value Award, PSB M4U TWM our Highly Recommended Award, and the JBL Tour Pro 2 and Sennheiser Momentum True Wireless 4 and Master & Dynamic MW09 have earned our Editor’s Choice Award.  For more info and complete specs, check out their websites at www.jbl.com, www.masterdynamic.com, www.mymanu.com, www.psbspeakers.com, www.sennheiser-hearing.com.com.  

 





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