Reviewed on Oct 03, 2019

Mixcder E9 Wireless HEADPHONES REVIEW

Usage Ratings - Version 1.3.1
7.0
Mixed Usage
7.5
Neutral Sound
7.5
Commute/Travel
7.1
Sports/Fitness
7.1
Office
5.5
Wireless Gaming
5.4
Wired Gaming
6.5
Phone Call
Type : Over-ear
Enclosure : Closed-Back
Wireless : Yes
Noise-Cancelling : Yes
Mic : Yes
Transducer : Dynamic

The Mixcder E9 are good budget headphones that perform quite well. They have a good overall audio reproduction and their ANC system is quite decent as well. They have a long enough battery life for a full day and their design is quite comfortable to wear for hours. However, they do feel a bit plasticky, though they aren’t quite as cheap as some other headphones in their price range. On the upside, they have a great and easy to use control scheme and have surprisingly low latency for Bluetooth headphones.

Test Results
Design 7.0
Isolation 7.4
Microphone 6.2
Active Features 7.0
Connectivity 5.5
Pros
  • Good audio reproduction.
  • Decent isolation performance.
  • Low latency for Bluetooth headphones.
  • Comfortable design.
Cons
  • Slightly plasticky build, not the most durable.
  • Old Bluetooth version.
  • Bulky design.
  1. Update 11/21/2019: Converted to Test Bench 1.3.1.
  2. Update 11/6/2019: Converted to Test Bench 1.3.

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7.0

Design

The Mixcder E9 are decently well-designed over-ear headphones. They have a sleek style and are fairly well-built. However, they're mainly made of plastic and are quite bulky. On the upside, they're well-padded and quite comfortable to wear for a while. Their control scheme is also simple and easy to use. These wireless headphones can also be used wired, even if the battery is dead, with the included 1/8” TRS audio cable.

Style

The E9 have a sleek style thanks to the metal-looking cup design. These over-ears are fairly bland otherwise since they only come in black. The cups are rather large as well. They're quite bulky but, on the upside, the padding is thick and comfortable.

7.5 Comfort
Weight : 0.6 lbs
Clamping Force
:
1.3 lbs

The Mixcder E9 are comfortable headphones that can be worn for a while. They aren’t too heavy and the padding of the cups is good and comfortable. The headband design resembles that of the Bose QuietComfort 35 II and is nicely padded. The cups could be slightly deeper, but should be large enough for most ear shapes and sizes. The headphones are a bit bulky but don’t clamp too much, and the cups have a good range of motion, which is great.

7.9 Controls
OS Compatibility
:
Not OS specific
Ease of use : Good
Feedback : Great
Call/Music Control : Yes
Volume Control : Yes
Microphone Control : No
Channel Mixing
:
N/A
Noise Canceling Control : Yes
Talk-Through
:
N/A
Additional Buttons : N/A

These headphones have a great control scheme. The physical buttons are large and clicky, making them quite easy to use. The power button can also be used to play/pause your music and take calls as well. You can easily raise or turn down your volume, and there's an audio cue when reaching maximum or minimum volume. Holding the volume buttons will skip tracks forward and backward. However, you need to be quick if you want to go to the previous tracks, as it might just restart your song instead. The power button could also be in a better position. On the left cup, you also have a dedicated ANC switch which is independent of your power, so be sure to turn it off after powering off the headphones.

6.4 Breathability
Avg.Temp.Difference : 5.9 C

Like most over-ears, the Mixcder E9 are not the most breathable option. Due to their design, they trap heat inside the ear cups and will more than likely make you sweat more than usual when working out. These are not the best option for sports, but you shouldn’t have any issues for casual listening.

5.9 Portability
L : 5.0 "
W : 6.7 "
H : 3.4 "
Volume : 114 Cu. Inches
Transmitter required : N/A

The E9 are quite bulky over-ears, but thankfully, they can be folded in a more portable design, which is easier to carry around. Their cups also swivel to lay flat, making it easier to slide into a bag or to hang them around your neck. They also come with a nice hard case for when you’re on the move.

7.5 Case
Type : Hard case
L : 8.5 "
W : 8.0 "
H : 2.7 "
Volume : 184 Cu. Inches

The E9 come with a nice hard case. It's a bit thin and feels a bit cheaper than some other models, but still feels durable. It provides the headphones decent protection against scratches, drops, and water.

7.0 Build Quality

The build quality of the E9 is decent. The hinges are good and don’t feel like they’ll break, and the headband is reinforced by a thin metal plate. However, the overall build is a bit plasticky and the ear cups are covered in cheap-feeling faux leather material.

7.0 Stability

The Mixcder E9 are decently stable but won’t be the best option for sports. They stay on the head fairly well, but enough head movement can make them fall quite easily. They shouldn’t be used for running, but thanks to their wireless design, they get rid of the risk of getting a cable stuck or hooked on something and yanking the headphones off your head.

Headshots 1
Headshots 2
Top

Sound

The Mixcder E9 are good sounding closed-back over-ear headphones. These headphones have a great bass that sounds thumpy and punchy without sounding too boomy. However, the mid and treble ranges are a bit uneven and some people might hear that these headphones lack detail and brightness on vocals and lead instruments. Overall, they're decently well-suited for a wide variety of music genres, but will perform better with bass-heavy music.

Sound Profile
Bass Amount
:
1.92 db
Treble Amount
:
-2.27 db
8.0 Frequency Response Consistency
Avg. Std. Deviation
:
0.39 dB

The frequency consistency of the E9 is very good. Like some other similar noise cancelling headphones, the E9’s ANC system seems to help with bass consistency. Some people with glasses might have a drop in bass, though, especially if there’s a break in the seal.

8.9 Bass Accuracy
Std. Err.
:
1.58 dB
Low-Frequency Extension
:
10 Hz
Low-Bass
:
2.34 dB
Mid-Bass
:
1.53 dB
High-Bass
:
1.41 dB

The bass performance of the Mixcder E9 is excellent. It's flat, well-balanced, and almost follows our target curve flawlessly. There's a bit of an overemphasis in the low-bass range, resulting in a bit of extra thump and rumble common to bass-heavy music.

8.1 Mid Accuracy
Std. Err.
:
2.53 dB
Low-Mid
:
2.49 dB
Mid-Mid
:
1.42 dB
High-Mid
:
-2.15 dB

The Mixcder E9 have a very good mid-range performance. The response is well-balanced throughout the range. This results in an accurate reproduction of vocals and lead instruments. However, there’s a small overemphasis in the low-mid, which can clutter vocals and leads a bit, though this won’t be very audible. There’s also a dip in high-mid which negatively affects the intensity and projection of instruments.

7.1 Treble Accuracy
Std. Err.
:
4.23 dB
Low-Treble
:
-3.91 dB
Mid-Treble
:
-2.45 dB
High-Treble
:
-0.86 dB

The treble performance of the E9 is decent. The response doesn’t show too much deviation from our curve, but the response is quite uneven. Some frequencies are under our curve while others show a small overemphasis. Overall, the treble lacks detail and brightness, especially in the low-treble.

7.5 Peaks/Dips
Peaks
:
1.43 db
Dips
:
1.67 db
8.8 Imaging
Weighted Group Delay
:
0.18
Weighted Amplitude Mismatch
:
0.53
Weighted Frequency Mismatch
:
1.8
Weighted Phase Mismatch
:
3.36

The stereo imaging is excellent. Their weighted group delay is very low, which is good. The group delay graph also shows that the entire response is below the audibility threshold. This ensures a tight bass and a transparent treble reproduction. Also, the L/R drivers of our test unit were well-matched in frequency, amplitude, and phase response. This is important for the accurate placement and localization of objects (voices, instruments, video game effects) in the stereo image. Note that these results are only valid for our unit and yours may perform differently.

5.5 Soundstage
PRTF Accuracy (Std. Dev.)
:
2.6 dB
PRTF Size (Avg.)
:
3.69 dB
PRTF Distance
:
12.23 dB
Openness
:
2.4
Acoustic Space Excitation
:
3.5

The soundstage of the E9 is sub-par. The graph shows a good amount of pinna interaction and a decent level of accuracy. There’s also a decent PRTF distance, which results in a wide soundstage. However, due to the closed-back design of these over-ears, the soundstage won’t feel very natural and will be situated inside the listener’s head rather than in front.

7.1 Weighted Harmonic Distortion
WHD @ 90
:
0.411
WHD @ 100
:
0.303
7.4

Isolation

The ANC system of the E9 is quite decent. It can do a good job of blocking out the noises from your daily commute like the engine noise of a bus and will also be a decent option for commuting. They also don’t leak too much, so you might be able to raise your listening volume to mask more ambient noise without disturbing surrounding people too much.

7.6 Noise Isolation
Isolation Audio
:
Overall Attenuation
:
-20.97 dB
Bass
:
-15.13 dB
Mid
:
-12.81 dB
Treble
:
-34.35 dB

The noise isolation performance of the Mixcder E9 is decent. It does a good job against bass frequencies, where the rumble of engines sit, making them a viable option for commuting and traveling. They also do a decent job against ambient chatter, which can be useful in an office setting. Against high frequencies like S and T sounds and the noise coming from an A/C system, they do a pretty good job at blocking out noise.

7.0 Leakage
Leakage Audio
:
Overall Leakage @ 1ft
:
39.56 dB

The leakage performance of the E9 is decent. The leakage sounds fuller and more comprehensible than that of in-ears and earbuds. However, the overall level of leakage is not too loud. This shouldn’t be an issue in most situations unless you blast music in a very quiet environment.

6.2

Microphone

Integrated
:
Yes
In-line
:
No
Boom
:
No
Detachable Boom
:
N/A

Like most Bluetooth headphones, the integrated microphone of the E9 is mediocre. It doesn’t have the best recording quality as speech is thin-sounding and muffled. It's also better suited for very quiet environments, as the microphone doesn’t handle noisy environments well.

6.3 Recording Quality
Recorded Speech
:
LFE
:
246.75 Hz
FR Std. Dev.
:
4.27 dB
HFE
:
3368.2 Hz
Weighted THD
:
2.312
Gain
:
8.51 dB

The recording quality of the E9’s integrated mic is mediocre. The recorded/transmitted speech sounds thin, noticeably muffled, and lacking in detail. This won’t be the best option for phone calls.

6.1 Noise Handling
Speech + Pink Noise :
Speech + Subway Noise :
SpNR
:
14.08 dB

The E9's microphone doesn’t fare well in noisy environments. It struggles to separate speech from ambient noise and therefore will be better suited for quiet environments.

7.0

Active Features

The Mixcder E9 has a decent battery life, but our test results show a noticeably lower continuous battery life than what was advertised by the manufacturer. On the upside, they can be used wired even when completely drained, and can also be used when charging. However, they don’t have a companion app with dedicated customization options.

7.8 Battery
Battery Type
:
Rechargable
Continuous Battery Life
:
18.3 hrs
Additional Charges
:
0
Total Battery Life
:
18.3 hrs
Charge Time
:
2.0 hrs
Power Saving Feature
:
No
Audio while charging
:
Yes
Passive Playback
:
Yes
Charging Port : micro-USB

The E9 has about 18 hours of battery life with ANC on, which is good, but slightly disappointing as it's below the 24 advertised hours of continuous playback. With ANC off, the manufacturer mentions a 30-hour battery life. They also take about 3 hours to charge, which is slightly longer than most headphones but shouldn’t be an issue if you just charge your headphones at night. You can also use them while they're charging or wired when they're completely dead, which is very useful.

0 App Support
App Name : N/A
iOS : N/A
Android : N/A
macOS : N/A
Windows : N/A
Equalizer
:
N/A
ANC control
:
N/A
Mic Control : N/A
Room effects
:
N/A
Playback control
:
N/A
Button Mapping : N/A
Surround Sound : N/A

Unfortunately, this pair of headphones doesn’t have a companion app with dedicated customization options.

5.5

Connectivity

The Mixcder E9 are Bluetooth compatible headphones, but can also be used wired thanks to the included audio cable. However, when wired, you can’t use their microphone. On the upside, their wireless line of sight range is good and their latency is noticeably lower than most Bluetooth headphones, which makes them a decent option for watching video content on your smart device.

7.2 Bluetooth
Bluetooth Version
:
4.0
Multi-Device Pairing
:
No
NFC Pairing
:
No
Line of Sight Range
:
162 ft
Default Latency
:
117 ms
aptX Latency
:
N/A
aptX(LL) Latency
:
N/A

The E9 are Bluetooth compatible, but they're on the older 4.0 version. They do not support multi-device pairing and NFC pairing, which is disappointing.

0 Non-Bluetooth Wireless
Non-BT Line of Sight Range
:
N/A
Non-BT Latency
:
N/A
6.7 Wired
Analog Audio
:
Yes
USB Audio
:
No
Detachable : Yes
Length : 4.9 ft
Connection : 1/8" TRS
Wired Latency
:
N/A

You can use the included audio cable to use the E9 wired. You’ll get audio when connecting the headphones to a headphone jack, regarding of the console or device. However, you can’t use the integrated mic when the audio cable is plugged in.

PC / PS4 Compatibility
PC / PS4 Analog
:
Audio Only
PC / PS4 Wired USB
:
No
PC / PS4 Non-BT Wireless
:
No
Xbox One Compatibility
Xbox One Analog
:
Audio Only
Xbox One Wired USB
:
No
Xbox One Wireless
:
No
0 Base/Dock
Type
:
N/A
USB Input
:
N/A
Line In
:
N/A
Line Out
:
N/A
Optical Input
:
N/A
RCA Input
:
N/A
Dock Charging
:
N/A
Power Supply
:
N/A

These headphones don’t have a base/dock.

In the box

  • Mixcder E9 headphones
  • 1/8” TRS audio cable
  • Micro-USB charging cable
  • Carrying case
  • Airplane adapter
  • Manuals

Compared to other Headphones

The Mixcder E9 are quite good budget ANC over-ear headphones, which set themselves apart by their good audio reproduction. They also have a pretty decent isolation performance when compared to similar budget models. See our recommendations for the best noise cancelling headphones, the best noise cancelling headphones under $200, and the best noise cancelling headphones under $100.

Mpow H10 Wireless
SEE PRICE
Amazon.com

The Mixcder E9 Wireless is a slightly better sounding option than the Mpow H10 Wireless and is also better built. They feel better made than the cracking H10 and the controls are easier to use. On the other hand, the H10 have a slightly better ANC performance and they offer a bit more battery life than the E9.

Cowin E7 Wireless
SEE PRICE
Amazon.com

The Mixcder E9 Wireless are better headphones than the Cowin E7. They are noticeably more comfortable, better built and they offer a superior sound quality. The controls are also better and the overall noise attenuation of the E9 is better than the Cowin. They also come with a nice hard case that protects the headphones better than the Cowin’s pouch. On the other hand, the Cowin offer more battery life and have NFC pairing, but that’s about it.

TaoTronics TT-BH060 Wireless
SEE PRICE
Amazon.com

The Mixcder E9 Wireless are better headphones than the TaoTronics TT-BH060 Wireless. Their sound quality is better and out BH060 unit had a noticeable mismatch. The audio reproduction of the E9 is, therefore, more balanced and accurate. However, the TT-BH060 are Bluetooth 5.0, their noise isolation performance is better, and they offer more battery life than the E9. However, they do have higher latency than the impressive E9.

Anker SoundCore Life 2 Wireless
SEE PRICE
Amazon.com

The Mixcder E9 Wireless and Anker Soundcore Life 2 Wireless are two decent budget headphones. The E9 are a better option when you want a balanced and neutral sound, but the Life 2 will be better for fans of bass. Isolation-wise, the E9 has a slight upper hand, especially in the bass range isolation, which is good for commuting. On the other hand, the Life 2 has a better continuous battery life and have an in-line microphone, which the E9 lacks.

7.0 Mixed Usage

Decent for mixed usage. The Mixcder E9 have a good audio reproduction that will suit most music genres. They also have a decent isolation performance, which is good for commuting and at the office. They might not be the best sports option due to their size and lack of breathability, but on the upside, they can perform quite well regardless of the use you make out of them. Their wireless design might not be ideal for watching video content or gaming, but their latency is quite low for Bluetooth headphones, so people might not notice the delay.

7.5 Neutral Sound

Good for critical listening. These headphones have a good frequency response and are versatile for a wide variety of music genres, but will be better suited for bass-heavy music. Their bass is well-balanced and accurate and the mid-range is flat and follows our target curve well. However, there’s a bit of unevenness in the treble range which affects the brightness and detail of vocals and leads, but this won’t be heard the same way by everyone. They're quite comfortable and will be a good option if you want good sound quality while on the go.

7.5 Commute/Travel

Decent for commuting. These headphones are quite comfortable for long rides and their ANC is decent for blocking out ambient noise. They’re good at reducing the noise from a bus or plane engine, which is great for your daily commute to work or long flights. The long battery life should be more than enough for the longest trips as well.

7.1 Sports/Fitness

Passable for sports. They're a bit bulky and over-ears are usually not recommended for sports due to their size and lack of breathability. You will sweat more than usual when training with these, which can be bothersome. You’ll have to carry them around your neck or slide them into a bag if you want to bring them to gym. On the upside, they're comfortable and their controls are easy to use.

7.1 Office

Decent for the office. They have decent noise isolation and you should be able to drown out most of the ambient noise like ambient chatter with these headphones. They're also quite comfortable to wear for a work shift and their battery should last you a few days. They also don’t leak too much but be sure not to blast your music at a very high volume if there’s not a lot of noise in your environment.

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