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Final Sonorous X Review | 93 Data compared

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  • Avg. price in UK: ~£4,050
  • Avg. price in US: ~$5,000
  • Form factor: over-ear
  • Connectivity: wired
  • Battery life: N/A hours
  • Active noise cancellation (ANC): no

Final Sonorous X review. Compare 93 technical specifications and user reviews to see how it ranks among headphones and if it is worth buying.

5.0

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%

5.0

Technical Score

20.0%

?

User score

Good
5.0

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%

6.5

Sound

20.0%

2.7

Features

10.0%

5.0

Design

8.0%

6.2

Connectivity

6.0%

1.0

Battery

4.0%

1.1

Calls & Controls

Good
?

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%

?

User reviews

30.0%

?

Popularity

  • 0.2
    Gaming

    Score components:

    35.0%

    0.0

    Audio latency

    25.0%

    0.0

    Low-latency game mode

    20.0%

    1.0

    Can be used as a headset

    12.0%

    0.0

    Noise-canceling microphone

    8.0%

    0.0

    Battery life

  • 0.5
    Travel

    Score components:

    28.0%

    1.0

    Active noise cancellation (ANC)

    24.0%

    0.0

    Battery life

    18.0%

    1.0

    Weight

    16.0%

    0.0

    Multipoint support

    14.0%

    0.0

    Ambient sound mode

  • 0.2
    Calls

    Score components:

    28.0%

    0.0

    Noise-canceling microphone

    24.0%

    1.0

    Can be used as a headset

    18.0%

    0.0

    Multipoint support

    16.0%

    0.0

    Battery life

    14.0%

    0.0

    Companion app

  • 2.4
    Workout

    Score components:

    28.0%

    1.0

    Weight

    24.0%

    1.0

    Water resistance

    20.0%

    9.0

    IP rating

    16.0%

    0.0

    Battery life

    12.0%

    1.0

    Can be used as a headset

  • No image
No image

Best prices in UK

Best rankings

?

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

Verdict

The Final Sonorous X is a luxury flagship closed-back headphone featuring a 50mm dynamic driver with a titanium diaphragm integrated into a machined aluminum front plate and a stainless steel housing. Technically, it is remarkably easy to drive with a low 16-ohm impedance and high 105dB sensitivity, though its massive 630g weight makes it one of the heaviest on the market. Main characteristics include a vast sound field, vivid realism, and exceptional clarity across a wide dynamic range, utilizing a proprietary Balancing Air Movement (BAM) mechanism to optimize internal airflow. Its primary pros are the superlative build quality, intense detail retrieval, and a sense of three-dimensional spatial representation that rivals top open-back designs. However, significant cons include its extreme weight which can cause neck fatigue during long sessions, high maintenance due to fingerprint-prone polished surfaces, and a very high premium price tag.

Technical Specifications of Final Sonorous X

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%

?

Sound

20.0%

?

Features

10.0%

?

Design

8.0%

?

Connectivity

6.0%

?

Battery

4.0%

?

Calls & Controls

5.0
Final Sonorous X has a technical score of 5.01 points, which is higher than that of 53.2% 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%

0.0

User reviews

30.0%

1.0

Popularity

?
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.
1.0
Final Sonorous X has a popularity of 1 points, which is lower than 72.7% 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%

5.0

Overall score

40.0%

1.0

Price

3.8
Final Sonorous X has a quality-to-price ratio of 3.8 points, which is lower than 98.4% 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
Final Sonorous X 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
Final Sonorous X 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
Final Sonorous X 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

?
Show more
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

N/A
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

no
Final Sonorous X is not headset-ready, while 15.3% is. 84.7% 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
Final Sonorous X 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

N/A
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
Show more
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
Final Sonorous X 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
Final Sonorous X 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
Final Sonorous X 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
Show more
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

Final
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

630 g
Final Sonorous X weighs 630 g, heavier than 99.7% 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

?
Show more

Final Sonorous X vs the average headphone

  • Hi-Res Audio certification
    Final Sonorous X has Hi-Res Audio certification, the average headphone does not. 22.9% of headphones are Hi-Res Audio certified.
    What it is: Certified for high-resolution audio playback
    When it matters: When official support for high-resolution playback matters to you.

    Importance: LOW

    Final Sonorous X has Hi-Res Audio certification, the average headphone does not. 22.9% of headphones are Hi-Res Audio certified.
  • 10 mm larger driver size
    Final Sonorous X 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

    Final Sonorous X 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
  • Direct 3.5 mm plug
    Final Sonorous X includes a direct 3.5 mm plug, the average headphone does not. 38.8% of headphones have a 3.5 mm male connector.
    What it is: Shows whether the headphones end in a built-in 3.5 mm male plug instead of relying on a separate detachable cable.
    When it matters: When direct wired compatibility with older devices or adapters matters.

    Importance: MEDIUM

    Final Sonorous X includes a direct 3.5 mm plug, the average headphone does not. 38.8% of headphones have a 3.5 mm male connector.
  • 3 dB/mW higher sensitivity
    Final Sonorous X has a higher sensitivity than the average headphone (105 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.
    What it is: Sound pressure output level per unit of input power
    When it matters: When you plan to use weaker sources like phones, handhelds, or entry-level dongles and still want enough volume.

    Importance: MEDIUM

    Good value: >=106 dB/mW

    Final Sonorous X has a higher sensitivity than the average headphone (105 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.105 dB/mW vs 102 dB/mW
  • Hi-Res Audio certification
    Final Sonorous X has Hi-Res Audio certification, the average headphone does not. 22.9% of headphones are Hi-Res Audio certified.
  • 10 mm larger driver size
    Final Sonorous X uses a larger driver size than the average headphone (50 mm vs 40 mm). The average headphones use a driver size of 40 mm.
  • 3 dB/mW higher sensitivity
    Final Sonorous X has a higher sensitivity than the average headphone (105 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.
  • Direct 3.5 mm plug
    Final Sonorous X includes a direct 3.5 mm plug, the average headphone does not. 38.8% of headphones have a 3.5 mm male connector.

Total
Sound
Connectivity
  • 2.89x higher weight
    Final Sonorous X is heavier than the average headphone (630 g vs 218 g). The average pair of headphones weighs 218 g.
  • Tangle-prone cable
    Final Sonorous X uses a tangle-prone cable, while the average headphone is easier to manage. 64.2% of headphones use a tangle-free cable.
  • No travel bag
    Final Sonorous X does not include a travel bag, the average headphone does. 65.2% of headphones include a travel bag.
  • Not headset-ready
    Final Sonorous X is not headset-ready, while the average headphone is. 84.7% of headphones can be used as headsets.
  • 1 fewer microphones
    Final Sonorous X has fewer microphones than the average headphone (0 vs 1). The average headphones have 1 microphones.
  • No voice assistant support
    Final Sonorous X does not support voice assistants, the average headphone does. 60.8% of headphones support voice assistants.
  • 2.89x higher weight
    Final Sonorous X is heavier than the average headphone (630 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

    Final Sonorous X is heavier than the average headphone (630 g vs 218 g). The average pair of headphones weighs 218 g.630 g vs 218 g
  • No voice assistant support
    Final Sonorous X 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

    Final Sonorous X does not support voice assistants, the average headphone does. 60.8% of headphones support voice assistants.
  • Not headset-ready
    Final Sonorous X is not headset-ready, while the average headphone is. 84.7% of headphones can be used as headsets.
    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

    Final Sonorous X is not headset-ready, while the average headphone is. 84.7% of headphones can be used as headsets.
  • 45x more expensive
    Final Sonorous X is more expensive than the average headphone (£4,050 vs £90).
    Final Sonorous X is more expensive than the average headphone (£4,050 vs £90).£4,050 vs £90
  • 76.9% worse value for money
    Final Sonorous X has worse value for money than the average headphone (3.81 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.
    Final Sonorous X has worse value for money than the average headphone (3.81 vs 6.736).3.81 vs 6.74
  • 1 fewer microphones
    Final Sonorous X 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

    Final Sonorous X has fewer microphones than the average headphone (0 vs 1). The average headphones have 1 microphones.0 vs 1
  • 4.65x less popular
    Final Sonorous X is less popular than the average headphone (1.00 vs 4.646).
    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.
    Final Sonorous X is less popular than the average headphone (1.00 vs 4.646).1 vs 4.65
  • Tangle-prone cable
    Final Sonorous X uses a tangle-prone cable, while the average headphone is easier to manage. 64.2% of headphones use a tangle-free cable.
    What it is: Cable designed to resist tangling
    When it matters: When you often carry wired headphones in a bag or pocket.

    Importance: LOW

    Final Sonorous X uses a tangle-prone cable, while the average headphone is easier to manage. 64.2% of headphones use a tangle-free cable.
Total
Overall
Design
Calls & Controls
Features

Graphic comparison of Final Sonorous X and

Attribute category
Attribute
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Third-party reviews

What customers like about Final Sonorous X?

  • Superlative build quality with high-end materials like stainless steel and aluminum
  • Exceptionally easy to drive with a low 16-ohm impedance, suitable for portable sources
  • Richly textured midrange and impressive bass authority
  • Wide, immersive soundstage that rivals open-backed designs
  • Excellent clarity and resolution, especially for vocals and acoustic instruments

What customers dislike about Final Sonorous X?

  • Very heavy at approximately 630g, leading to neck strain during long sessions
  • Prohibitively high retail price, often exceeding £3,500 ($5,000)
  • Lacks some dynamic drive and momentum in fast-paced or hard-charging rhythms
  • Metal finishes are prone to showing skin oils, dirt, and fingerprints
  • Does not include essential accessories like a 6.3mm adapter or balanced cables for its price class

Expert reviews

P
positive-feedback.com
10/09/2018
final Sonorous X Closed Back Headphones

The final Sonorous X is a cost-no-object, ultra-luxury closed-back dynamic headphone that offers space-age 3D-printed metal construction, unique BAM technology, and a 105dB efficient titanium voice coil. The reviewer praises the headphones for their unmatched sonic neutrality, lifelike 3D imaging, and massive soundstaging, labeling them as the absolute state-of-the-art when paired...Read more

6
6moons.com
01/05/2015
6moons audioreviews: Final Sonorous X

The Final Sonorous X headphones deliver an exceptionally dynamic, punchy, and vibrant sonic performance that centers around a highly correct midrange. Unlike traditional "bright" headphones that suffer from uneven treble spikes, the Sonorous X offers an all-over, cloudless illumination and robust timbre intensity that makes open-backed competitors like the Sennheiser HD800 and...Read more

W
whathifi.com
04/11/2015
Final Audio Sonorous X review

The Final Audio Sonorous X headphones make an immediate luxury impression with an immaculately crafted, fur-lined wooden box and a sturdy design featuring stainless steel, gold-leafed aluminum earcups, and high-quality leather. Testers praise the headphones for their incredibly authoritative, deep, and powerful bass performance, as well as a full-bodied midrange, rich tonality, and...Read more

H
hifitest.de
09/04/2016
Final Sonorous X - Hi-Fi Headphones Review - Very Good - hifitest.de

Final Sonorous X The Final Sonorous X is an ultra-premium, closed-back around-ear headphone that establishes a new pricing tier in the high-end audio market at approximately €4,600. Meticulously engineered by the Japanese firm Final, it replaces the standard 40 mm driver with a larger, newly developed 50 mm titan membrane directly integrated into an aluminum and stainless steel...Read more

(Translated)Show original
O
open-end-music.com
20/03/2026
Final Audio SONOROUS X - The Comeback!

The user review titled "Final Audio SONOROUS X - das Comeback!" on the Open-End-Music Forum details the author's emotional return to a premium headphone they regretted selling years prior. Written by community member patrykb, the review describes how selling the Final Audio Sonorous X was a mistake that only became clear much later down the road. Upon repurchasing and reconnecting...Read more

(Translated)Show original
M
musicalhead.de
20/05/2023
FINAL AUDIO SONOROUS X - Musicalhead

Based on the review page for the FINAL AUDIO SONOROUS X on the German audiophile blog Musicalhead, the publication focuses on an extensive listening test of this Top-Of-The-Line (TOTL) closed-back headphone. The reviewer, writing under the pseudonym "Fidelio", highlights the rarity of encountering this specific high-end model "in the wild" (free nature). The post captures the...Read more

(Translated)Show original
O
on-mag.fr
Date non spécifiée
Final Sonorous X Review - ON-mag: Front Page

The Final Sonorous XGo review from ON-mag.fr highlights a luxury closed-back, circum-aural Hi-Fi headphone that serves as the absolute flagship of the Japanese brand's prestigious Sonorous lineup. Embodying a traditional Zen-like approach to design and a meticulous pursuit of perfection, this wired model stands out for its high-end build philosophy. Progression up this specific...Read more

(Translated)Show original
M
maison-et-domotique.com
03/12/2015
Final Audio Design Sonorous X Review: THE High-End Headphones

The Final Audio Design Sonorous X is reviewed as an ultra-premium, "no-compromise" headphone, featuring a luxurious stainless steel and gold-plated design with 50mm titanium drivers and proprietary Balancing Air Movement (BAM) technology. Sonically, the headphones deliver an authoritative, deep low-end and an exceptionally forward, lifelike midrange, while their high 105 dB...Read more

(Translated)Show original
O
on-mag.fr
03/02/2016
Final Sonorous VIII and X Headphone Review: Two Luxury Jewels Born from Japanese Craftsmanship

The Final Sonorous VIII and X are ultra-luxury closed-back, circum-aural headphones handmade in Japan, utilizing premium materials that dictate their high price points of €2,800 and €4,600 respectively. Both models share a 16 Ω impedance and 105 dB sensitivity, making them surprisingly easy to drive even with a standard mobile device, though they scale remarkably well with high-end...Read more

(Translated)Show original
A
artsexcellence.com
29/06/2026
Final Sonorous II and III - art's excellence (Including technical comparison with the flagship Sonorous X)

Max Delissen's review for Art's Excellence highlights the Final Sonorous II and IIIGo as robustly built, closed-back headphones that share structural foundations but differ significantly in acoustic performance. Both budget-friendly models feature a low 16Ω impedance and 105dB sensitivity, making them highly versatile and easy to drive directly from smartphones or portable players....Read more

(Translated)Show original

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