HiFiMAN He R7dx Review | 93 Data compared

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  • Avg. price: ~£45
  • Form factor: over-ear
  • Connectivity: wired
  • Battery life: N/A hours
  • Active noise cancellation (ANC): no

HiFiMAN He R7dx review. Compare 93 technical specifications and user reviews to see how it ranks among headphones and if it is worth buying.

4.5

Overall score

What it is: An overall evaluation of the headphones' quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best headphones on the market.

Score components:

80.0%

4.1

Technical Score

20.0%

6.1

User score

Poor
4.1

Technical Score

What it is: An assessment of the headphones' technical performance, covering key areas such as sound quality, noise cancelling, microphone performance, battery life, comfort, connectivity, features, and build quality.

When it matters: When you want to compare headphones based on technical performance and available features.

Score components:

52.0%

4.9

Sound

20.0%

2.7

Features

10.0%

6.1

Design

8.0%

2.9

Connectivity

6.0%

1.0

Battery

4.0%

3.3

Calls & Controls

Poor
6.1

User score

What it is: A rating that combines user reviews and the total number of reviews received by the headphones.

When it matters: When you want to understand how headphones perform in real listening and how reliable they are in terms of comfort, audio quality, battery life, and long-term use.

Score components:

70.0%

7.8

User reviews

30.0%

2.1

Popularity

User score:
United Kingdom
amazon
3.9
(16)
United States
Amazon_logo.png
3.9
(16)

(Reviews last updated: June 2026)

Good
  • 2.1
    Gaming

    Score components:

    35.0%

    0.0

    Audio latency

    25.0%

    0.0

    Low-latency game mode

    20.0%

    10

    Can be used as a headset

    12.0%

    1.0

    Noise-canceling microphone

    8.0%

    0.0

    Battery life

  • 0.7
    Travel

    Score components:

    28.0%

    1.0

    Active noise cancellation (ANC)

    24.0%

    0.0

    Battery life

    18.0%

    2.3

    Weight

    16.0%

    0.0

    Multipoint support

    14.0%

    0.0

    Ambient sound mode

  • 2.7
    Calls

    Score components:

    28.0%

    1.0

    Noise-canceling microphone

    24.0%

    10

    Can be used as a headset

    18.0%

    0.0

    Multipoint support

    16.0%

    0.0

    Battery life

    14.0%

    0.0

    Companion app

  • 2.9
    Workout

    Score components:

    28.0%

    2.3

    Weight

    24.0%

    1.0

    Water resistance

    20.0%

    4.0

    IP rating

    16.0%

    0.0

    Battery life

    12.0%

    10

    Can be used as a headset

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Best prices in UK

Best rankings

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Available: ranking among products currently available (including other versions of this product).
All: ranking among all products in the database.

Verdict

The Drop + HiFiMAN HE-R7DX is a closed-back over-ear headphone featuring 50mm dynamic drivers with a proprietary Topology Diaphragm, offering an exceptionally low 16-ohm impedance and 101 dB sensitivity that makes it very easy to drive from mobile devices. Weighing approximately 338g, it is characterized by its expansive, 'open-back' style soundstage, natural midrange, and clear treble extension. Main pros include its lightweight comfort for long sessions, impressive spatial imaging for its price tier, and a warm, non-fatiguing sound signature. However, notable cons include a weak out-of-the-box clamping force that can lead to poor isolation and rolled-off sub-bass, alongside some reports of sibilance in the upper frequencies and a bulky non-collapsible design.

Technical Specifications of HiFiMAN He R7dx

Technical Score

What it is: An assessment of the headphones' technical performance, covering key areas such as sound quality, noise cancelling, microphone performance, battery life, comfort, connectivity, features, and build quality.

When it matters: When you want to compare headphones based on technical performance and available features.

Score components:

52.0%

4.9

Sound

20.0%

2.7

Features

10.0%

6.1

Design

8.0%

2.9

Connectivity

6.0%

1.0

Battery

4.0%

3.3

Calls & Controls

4.1
HiFiMAN He R7dx has a technical score of 4.1 points, which is lower than that of 85.4% of products in this category.
User score

What it is: A rating that combines user reviews and the total number of reviews received by the headphones.

When it matters: When you want to understand how headphones perform in real listening and how reliable they are in terms of comfort, audio quality, battery life, and long-term use.

Score components:

70.0%

7.8

User reviews

30.0%

2.1

Popularity

User score:
United Kingdom
amazon
3.9
(16)
United States
Amazon_logo.png
3.9
(16)

(Reviews last updated: June 2026)

6.1
HiFiMAN He R7dx has a user score of 6.1 points, which is lower than that of 92.3% of products in this category.
Popularity
What it is: An indicator based on the number of reviews received by the headphones.
When it matters: When you prefer headphones that have already been chosen and reviewed by many other users.
2.1
HiFiMAN He R7dx has a popularity of 2.1 points, which is lower than 66.7% of products in this category.
Ratio quality/price

What it is: An indicator that combines the headphones' overall rating with their cost.

When it matters: When you are looking for headphones that offer a strong balance of performance, features, and price.

Score components:

60.0%

4.5

Overall score

40.0%

10

Price

6.1
HiFiMAN He R7dx has a quality-to-price ratio of 6.1 points, which is lower than 78.9% of products in this category.
Active noise cancellation (ANC)
What it is: Reduces background noise using active technology
When it matters: When blocking office, travel, or aircraft noise is a priority.

Importance: HIGH

no
HiFiMAN He R7dx does not support active noise cancellation. 27.4% of headphones support active noise cancellation.
Driver type
What it is: Type of speaker driver technology used
When it matters: When the underlying sound character and driver technology matter to you.

Importance: MEDIUM

dynamic
Driver size
What it is: Diameter of the speaker driver unit
When it matters: When you want extra hardware context behind how the headphones may handle bass weight, scale, or overall presentation.

Importance: MEDIUM

50 mm
HiFiMAN He R7dx uses a driver size of 50 mm, larger driver size than 86.1% of headphones and equal to 8.3% of headphones.
Number of drivers
What it is: Total number of speaker drivers per earcup
When it matters: When multi-driver designs are part of your buying criteria.

Importance: LOW

1
HiFiMAN He R7dx uses 1 drivers, equal to 96% of headphones.
Lowest frequency
What it is: Lowest audio frequency the headphones can reproduce
When it matters: When deeper bass extension matters for your music or movie listening.

Importance: MEDIUM

Good value: <=10 Hz

20 Hz
HiFiMAN He R7dx reaches a lowest frequency of 20 Hz, higher lowest frequency than 50.6% of headphones and equal to 47.5% of headphones.
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Noise-canceling microphone
What it is: Built-in microphone reduces background noise during calls
When it matters: When you take calls in busy spaces and want your voice to stay clearer.

Importance: MEDIUM

no
HiFiMAN He R7dx does not support a noise-canceling microphone. 45.6% of headphones support noise-canceling microphones.
Can be used as a headset
What it is: Shows whether the headphones can handle voice chat and calls in addition to normal audio playback.
When it matters: When one pair needs to cover music, calls, meetings, and gaming chat.

Importance: MEDIUM

yes
HiFiMAN He R7dx is headset-ready, 84.7% is not. 15.3% of headphones can be used as headsets.
Number of microphones
What it is: Total number of built-in microphones
When it matters: When call pickup quality and beamforming support matter to you.

Importance: LOW

Good value: >=2

0
HiFiMAN He R7dx has 0 microphones, fewer microphones than 74.1% of headphones and equal to 25.9% of headphones.
Boom microphone
What it is: Includes detachable boom microphone for voice clarity
When it matters: When you need stronger voice clarity for gaming, streaming, or work calls.

Importance: LOW

no
HiFiMAN He R7dx does not include a boom microphone. 15.6% of headphones have a boom microphone.
Microphone SNR
What it is: Signal-to-noise ratio of the microphone
When it matters: When call clarity matters and you want your voice picked up more cleanly instead of buried in background hiss.

Importance: LOW

Good value: >80 dB

N/A
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Connectivity
What it is: Available connection methods (wired, wireless, Bluetooth, etc.)
When it matters: When the headphones need to match how you listen across wired and wireless devices.

Importance: HIGH

wired
HiFiMAN He R7dx supports wired connectivity, equal to 52.6% of headphones.
Bluetooth version
What it is: Version of Bluetooth technology supported
When it matters: When wireless stability, efficiency, and feature support matter more than treating Bluetooth as a box-check spec.

Importance: MEDIUM

Good value: >=5.0

N/A
Maximum Bluetooth range
What it is: Maximum wireless operating distance from source device
When it matters: When you move around rooms and want fewer dropouts from your source device.

Importance: LOW

Good value: >=10 m

N/A
Audio latency
What it is: Delay between audio and video in wireless mode
When it matters: When you watch video or play games and need sound to stay in sync.

Importance: HIGH

Good value: <60 ms

N/A
Multipoint support
What it is: Supports simultaneous connections to multiple devices
When it matters: When you switch often between a phone and a laptop during the day.

Importance: MEDIUM

N/A
Show more
Ambient sound mode
What it is: Allows external sounds to pass through for awareness
When it matters: When you need to stay aware of traffic, voices, or announcements.

Importance: MEDIUM

N/A
EQ support
What it is: Allows customization of sound profile via equalizer
When it matters: When the stock tuning is not enough and you want to shape bass, mids, or treble to match your taste.

Importance: MEDIUM

no
HiFiMAN He R7dx does not support EQ customization. 23.3% of headphones support EQ.
Companion app
What it is: Dedicated mobile app for customization and updates
When it matters: When software customization, updates, and extra controls matter.

Importance: MEDIUM

N/A
Adjustable ANC levels
What it is: Allows adjustment of noise cancellation intensity levels
When it matters: When you move between quiet rooms, offices, streets, and public transport and do not want one ANC setting for every situation.

Importance: LOW

Good value: >=4

N/A
Voice assistant support
What it is: Compatible with voice assistants like Siri, Alexa, or Google Assistant
When it matters: When hands-free control is part of your daily routine.

Importance: LOW

no
HiFiMAN He R7dx does not support voice assistants. 60.9% of headphones support voice assistants.
Show more
Battery life
What it is: Playback time on a single charge
When it matters: When you commute, travel, or work long shifts and do not want charging breaks to interrupt listening.

Importance: HIGH

Good value: >45 hours

N/A
Battery life with ANC
What it is: Playback time with active noise cancellation enabled
When it matters: When you plan to keep noise cancellation on for most of the day.

Importance: HIGH

Good value: >40 hours

N/A
Charging time
What it is: Time required for a full battery charge
When it matters: When you often need the headphones ready again after short breaks.

Importance: MEDIUM

Good value: <=2 hours

N/A
Quick charge
What it is: Provides quick playback time with short charging period
When it matters: When a short top-up needs to deliver useful playback before you leave.

Importance: MEDIUM

N/A
Battery capacity
What it is: Total energy storage of the internal battery
When it matters: When you are estimating how much battery headroom the design may have before relying only on the official runtime claim.

Importance: MEDIUM

Good value: >=720 mAh

N/A
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Brand name
What it is: The manufacturer or brand of the product.
When it matters: When you prefer a specific ecosystem, support network, or design philosophy.

Importance: MEDIUM

HiFiMAN
Form factor
What it is: Overall design type of the headphones (over-ear, on-ear, in-ear, etc.)
When it matters: When comfort, portability, and isolation depend on the overall headphone style.

Importance: HIGH

over-ear
Weight
What it is: Total weight of the headphones
When it matters: When long listening sessions make wearing comfort more important.

Importance: MEDIUM

Good value: <150 g

338 g
HiFiMAN He R7dx weighs 338 g, heavier than 89.5% of headphones and equal to 0.2% of headphones.
Acoustic design
What it is: Type of acoustic design (open-back, closed-back, semi-open)
When it matters: When you need the right balance of isolation, leakage, and soundstage.

Importance: HIGH

closed-back
Clamp force
What it is: Amount of clamping pressure applied to the head
When it matters: When comfort and fit security matter during long sessions.

Importance: MEDIUM

3
HiFiMAN He R7dx has a clamp force of 3, lower clamp force than 79.9% of headphones and equal to 1.8% of headphones.
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HiFiMAN He R7dx vs the average headphone

  • 10 mm larger driver size
    HiFiMAN He R7dx uses a larger driver size than the average headphone (50 mm vs 40 mm). The average headphones use a driver size of 40 mm.
    What it is: Diameter of the speaker driver unit
    When it matters: When you want extra hardware context behind how the headphones may handle bass weight, scale, or overall presentation.

    Importance: MEDIUM

    HiFiMAN He R7dx uses a larger driver size than the average headphone (50 mm vs 40 mm). The average headphones use a driver size of 40 mm.50 mm vs 40 mm
  • Wind noise reduction
    HiFiMAN He R7dx reduces wind noise, the average headphone does not. 34.1% of headphones support wind noise reduction.
    What it is: Reduces wind interference for clearer outdoor calls
    When it matters: When you take calls outdoors while walking, cycling, or commuting.

    Importance: LOW

    HiFiMAN He R7dx reduces wind noise, the average headphone does not. 34.1% of headphones support wind noise reduction.
  • 1.3 lower clamp force
    HiFiMAN He R7dx has a lower clamp force than the average headphone (3 vs 4.3). The average headphones have a clamp force of 4.3.
    What it is: Amount of clamping pressure applied to the head
    When it matters: When comfort and fit security matter during long sessions.

    Importance: MEDIUM

    HiFiMAN He R7dx has a lower clamp force than the average headphone (3 vs 4.3). The average headphones have a clamp force of 4.3.3 vs 4.3
  • 12 mm more spacious earcup width
    HiFiMAN He R7dx offers more spacious earcup width than the average headphone (55 mm vs 43 mm). The average headphones offer an inner earcup width of 43 mm.
    What it is: Internal width of the earcup cavity
    When it matters: When earcup fit affects comfort and pressure around your ears.

    Importance: MEDIUM

    HiFiMAN He R7dx offers more spacious earcup width than the average headphone (55 mm vs 43 mm). The average headphones offer an inner earcup width of 43 mm.55 mm vs 43 mm
  • 3 mm more spacious earcup height
    HiFiMAN He R7dx offers more spacious earcup height than the average headphone (63 mm vs 60 mm). The average headphones offer an inner earcup height of 60 mm.
    What it is: Internal height of the earcup cavity
    When it matters: When larger ears need enough space inside the earcups.

    Importance: MEDIUM

    HiFiMAN He R7dx offers more spacious earcup height than the average headphone (63 mm vs 60 mm). The average headphones offer an inner earcup height of 60 mm.63 mm vs 60 mm
  • 1.3 lower clamp force
    HiFiMAN He R7dx has a lower clamp force than the average headphone (3 vs 4.3). The average headphones have a clamp force of 4.3.
  • 12 mm more spacious earcup width
    HiFiMAN He R7dx offers more spacious earcup width than the average headphone (55 mm vs 43 mm). The average headphones offer an inner earcup width of 43 mm.
  • 3 mm more spacious earcup height
    HiFiMAN He R7dx offers more spacious earcup height than the average headphone (63 mm vs 60 mm). The average headphones offer an inner earcup height of 60 mm.
  • 10 mm larger driver size
    HiFiMAN He R7dx uses a larger driver size than the average headphone (50 mm vs 40 mm). The average headphones use a driver size of 40 mm.
  • Wind noise reduction
    HiFiMAN He R7dx reduces wind noise, the average headphone does not. 34.1% of headphones support wind noise reduction.
  • 55% higher weight
    HiFiMAN He R7dx is heavier than the average headphone (338 g vs 218 g). The average pair of headphones weighs 218 g.
  • No travel bag
    HiFiMAN He R7dx does not include a travel bag, the average headphone does. 65.2% of headphones include a travel bag.
  • 0.7 % higher distortion
    HiFiMAN He R7dx has a higher total harmonic distortion than the average headphone (1 % vs 0.3 %). The average headphones have total harmonic distortion of 0.3 %.
  • 2 Hz weaker bass extension
    HiFiMAN He R7dx has a higher lowest frequency than the average headphone (20 Hz vs 18 Hz). The average headphones reach a lowest frequency of 18 Hz.
  • 1 fewer microphones
    HiFiMAN He R7dx has fewer microphones than the average headphone (0 vs 1). The average headphones have 1 microphones.
  • No voice assistant support
    HiFiMAN He R7dx does not support voice assistants, the average headphone does. 60.8% of headphones support voice assistants.
  • 55% higher weight
    HiFiMAN He R7dx is heavier than the average headphone (338 g vs 218 g). The average pair of headphones weighs 218 g.
    What it is: Total weight of the headphones
    When it matters: When long listening sessions make wearing comfort more important.

    Importance: MEDIUM

    Good value: <150 g

    HiFiMAN He R7dx is heavier than the average headphone (338 g vs 218 g). The average pair of headphones weighs 218 g.338 g vs 218 g
  • No voice assistant support
    HiFiMAN He R7dx does not support voice assistants, the average headphone does. 60.8% of headphones support voice assistants.
    What it is: Compatible with voice assistants like Siri, Alexa, or Google Assistant
    When it matters: When hands-free control is part of your daily routine.

    Importance: LOW

    HiFiMAN He R7dx does not support voice assistants, the average headphone does. 60.8% of headphones support voice assistants.
  • 0.7 % higher distortion
    HiFiMAN He R7dx has a higher total harmonic distortion than the average headphone (1 % vs 0.3 %). The average headphones have total harmonic distortion of 0.3 %.
    What it is: Percentage of harmonic distortion in audio output
    When it matters: When cleaner sound reproduction matters at louder volumes.

    Importance: LOW

    Good value: <=1%

    HiFiMAN He R7dx has a higher total harmonic distortion than the average headphone (1 % vs 0.3 %). The average headphones have total harmonic distortion of 0.3 %.1 % vs 0.3 %
  • 2 Hz weaker bass extension
    HiFiMAN He R7dx has a higher lowest frequency than the average headphone (20 Hz vs 18 Hz). The average headphones reach a lowest frequency of 18 Hz.
    What it is: Lowest audio frequency the headphones can reproduce
    When it matters: When deeper bass extension matters for your music or movie listening.

    Importance: MEDIUM

    Good value: <=10 Hz

    HiFiMAN He R7dx has a higher lowest frequency than the average headphone (20 Hz vs 18 Hz). The average headphones reach a lowest frequency of 18 Hz.20 Hz vs 18 Hz
  • 1 fewer microphones
    HiFiMAN He R7dx has fewer microphones than the average headphone (0 vs 1). The average headphones have 1 microphones.
    What it is: Total number of built-in microphones
    When it matters: When call pickup quality and beamforming support matter to you.

    Importance: LOW

    Good value: >=2

    HiFiMAN He R7dx has fewer microphones than the average headphone (0 vs 1). The average headphones have 1 microphones.0 vs 1
  • 31.2% lower user score
    HiFiMAN He R7dx has a lower user score than the average headphone (6.10 vs 8.000).
    What it is: A rating that combines user reviews and the total number of reviews received by the headphones.
    When it matters: When you want to understand how headphones perform in real listening and how reliable they are in terms of comfort, audio quality, battery life, and long-term use.
    HiFiMAN He R7dx has a lower user score than the average headphone (6.10 vs 8.000).6.1 vs 8
  • No travel bag
    HiFiMAN He R7dx does not include a travel bag, the average headphone does. 65.2% of headphones include a travel bag.
    What it is: Comes with a protective carrying case or pouch
    When it matters: When protection in transit matters right out of the box.

    Importance: LOW

    HiFiMAN He R7dx does not include a travel bag, the average headphone does. 65.2% of headphones include a travel bag.
  • 9.6% worse value for money
    HiFiMAN He R7dx has worse value for money than the average headphone (6.15 vs 6.736).
    What it is: An indicator that combines the headphones' overall rating with their cost.
    When it matters: When you are looking for headphones that offer a strong balance of performance, features, and price.
    HiFiMAN He R7dx has worse value for money than the average headphone (6.15 vs 6.736).6.15 vs 6.74

Graphic comparison of HiFiMAN He R7dx and

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Third-party reviews

United Kingdom
United States

(Reviews last updated: June 2026)

What customers like about HiFiMAN He R7dx?

  • Exceptional soundstage for a closed-back headphone, often compared to open-back performance
  • Very easy to drive, requiring no dedicated amplifier for use with smartphones or laptops
  • Highly comfortable and lightweight design suitable for long listening sessions
  • Excellent value for money in the budget-tier category
  • Impressive imaging and instrument separation, making it a strong choice for gaming
  • Natural and clear midrange with good vocal presence

What customers dislike about HiFiMAN He R7dx?

  • Weak clamping force out of the box, which can lead to a poor seal and diminished bass
  • Poor isolation for a closed-back design; users report hearing significant ambient noise
  • Stock cable is described as overly thick, stiff, and cumbersome
  • Bass quantity is considered light, which may not satisfy 'basshead' listeners
  • Treble can be slightly aggressive, metallic, or sharp depending on the track
  • Large headband size may not fit smaller heads securely even on the smallest setting

Expert reviews

F
forum.headphones.com
20/01/2022

The Drop + HiFiMAN HE-R7DX closed-back headphonesGo review highlights a comfortable, lightweight design featuring large, cushiony earpads that excel during long listening sessions. A major benefit is the decent treble extension and incisiveness, offering an expansive and reasonable soundstage with good lateral definition. However, the reviewer notes multiple technical drawbacks....Read more

S
superbestaudiofriends.org
20/01/2022

The SuperBestAudioFriends review identifies the $149 Drop + HiFiMAN HE-R7DX as a budget-friendly, closed-back headphone with an exceptionally balanced, slightly warm sound, featuring flat vocals and an surprisingly expansive, open-back level soundstage. Key advantages include deep, impactful bass, high efficiency for easy driving, and excellent comfort stemming from a lightweight...Read more

D
diyaudioheaven.wordpress.com
14/09/2023

The DIY-Audio-Heaven review characterizes the Drop + HiFiMAN HE-R7DXGo as a closed-back headphone with a warm, bassy sound signature and high sensitivity (116dB @ 1V), making it exceptionally easy to drive with portable devices. Key strengths include a comfortable, non-fatiguing sound, adequate midrange clarity, and low impedance (17Ω), which allows for high volumes without an...Read more

H
headphonesty.com
28/03/2022

The Headphonesty review of the Drop + HIFIMAN HE-R7DXGo highlights an entry-level, closed-back headphone with an unusually spacious, airy soundstage and excellent imaging for its price point. Featuring a low 16-ohm impedance, these headphones are remarkably easy to drive with low-power sources, offering a bright, clear sound profile. Conversely, the review notes significant...Read more

E
ear-fidelity.com
02/05/2022

The Drop + Hifiman R7DX is a $149 budget-friendly, closed-back full-size headphone using a dynamic driver that delivers a smooth, neutral, and highly universal sound signature. Its most impressive features (pros) are an exceptionally wide and deep soundstage that mimics open-back headphones, precise imaging and layering that make it excellent for gaming, and impressive detail...Read more

H
headfonics.com
07/05/2022

The Headfonics review of the Drop + HIFIMAN HE-R7DXGo rates these closed-back headphones an 8.1 out of 10, highlighting them as a budget-friendly "Classical specialist" that delivers a spacious soundstage and a relaxed, forward midrange. Key advantages include high efficiency, requiring no heavy amplification, and a comfortable, non-fatiguing vocal presentation....Read more

E
ear-fidelity.com
02/05/2022

The Drop + Hifiman R7DX is a $149 budget-friendly, closed-back headphone featuring a dynamic driver that offers exceptional value, neutral tuning, and a highly impressive open-back-like soundstage. Its primary strengths lie in its natural, relaxed midrange, excellent detail retrieval for the price, superb imaging, and a lightweight design that remains comfortable and breathable...Read more

D
diyaudioheaven.wordpress.com
14/09/2023

The Drop (HIFIMAN) HE-R7DX is a closed-back, over-ear dynamic headphone priced at approximately $150 and sold exclusively through Drop. Musically, its primary strengths lie in its warm, relaxed mid-range, deep sub-bass extension, and an overall non-fatiguing tonal balance that makes it highly suitable for long, low-volume listening sessions. Additionally, it features high...Read more

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