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Scored using Headphones Methodology v1.0
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Products in this category are scored under Frontum Headphones Methodology v1.0: technical specifications plus authentic consumer ratings, with 0% commercial bias.
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Sennheiser Ocx 685I Review | 93 Data compared

Avg. price:~£60Form factor:in-earConnectivity:wiredBattery life:N/A hoursActive noise cancellation (ANC):no

Sennheiser Ocx 685I Review: Compare 93 technical specifications and user reviews to see how this product ranks in the Headphones category and whether it is worth buying.

Sennheiser Ocx 685I
6.0/10

Overall score

Score
6.0/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 62% of models
Score components

80%

5.8

Technical score

20%

6.8

User score

â–¼Worse than 62% of headphones
7.2

Value for money

Value for money
7.2/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 59% of models
Score components

70%

6.0

Overall score

30%

10

Price

â–¼Worse than 59%
5.8

Technical score

Technical score
5.8/ 10
✕
What it is
An assessment of technical performance for products in the Headphones category across these key areas: Sound, Calls & Controls, Connectivity, Features, Battery, Design.
When it matters
When you want to compare headphones based on technical performance and available features.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 55% of models
Score components

52%

6.2

Sound

20%

4.4

Features

10%

7.2

Design

8%

4.6

Connectivity

6%

4.0

Battery

4%

8.5

Calls & Controls

â–¼Worse than 55%
6.8

User score

User score
6.8/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 89% of models
Score components

70%

6.8

User ratings

30%

6.8

Number of reviews

Based on ratings from across the web.
â–¼Worse than 89%
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Where to buy
*As an Amazon Associate, we earn from qualifying purchases.
Best rankings
Available: ranking among products currently available (including other versions of this product).All: ranking among all products in the database.
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Technical Specifications of pair of headphones Sennheiser Ocx 685I

Technical score
Technical score
5.8/ 10
✕
What it is
An assessment of technical performance for products in the Headphones category across these key areas: Sound, Calls & Controls, Connectivity, Features, Battery, Design.
When it matters
When you want to compare headphones based on technical performance and available features.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 55% of models
Score components:

52%

6.2

Sound

20%

4.4

Features

10%

7.2

Design

8%

4.6

Connectivity

6%

4.0

Battery

4%

8.5

Calls & Controls

5.8
User score
User score
6.8/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 89% of models
Score components

70%

6.8

User ratings

30%

6.8

Number of reviews

Based on ratings from across the web.
6.8
Popularity
Popularity
6.8/ 10
✕
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.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 62% of models
Popularity:
Sennheiser Ocx 685I has a popularity score of 6.8 points, which is higher than that of 61.7% of products in this category.
6.8
Value for money
Value for money
7.2/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 59% of models
Score components:

70%

6.0

Overall score

30%

10

Price

7.2
Active noise cancellation (ANC)
no
This pair of headphones does not support active noise cancellation. 27.5% of headphones support active noise cancellation.
Driver type
dynamic
Driver size
?
Number of drivers
1
Market range: <1 – >4
This pair of headphones uses 1 drivers, fewer drivers than 4% of headphones and equal to 96% of headphones.
Lowest frequency
18 Hz
Market range: <5 Hz – >20 Hz
This pair of headphones reaches a lowest frequency of 18 Hz, lower lowest frequency than 49.6% of headphones and equal to 3.6% of headphones.
Show more
Noise-canceling microphone
yes
This pair of headphones supports a noise-canceling microphone. 61.1% of headphones support noise-canceling microphones.
Can be used as a headset
yes
This pair of headphones is headset-ready, 84.8% is not. 15.2% of headphones can be used as headsets.
Number of microphones
1
Market range: <0 – >4
This pair of headphones has 1 microphones, more microphones than 26.9% of headphones and equal to 50.9% of headphones.
Boom microphone
yes
This pair of headphones includes a boom microphone. 86.5% of headphones have a boom microphone.
Microphone SNR
?
Show more
Connectivity
wired
This pair of headphones supports wired connectivity, less flexible connectivity than 49.2% of headphones and equal to 50.8% of headphones.
Bluetooth version
N/A
Maximum Bluetooth range
N/A
Audio latency
N/A
Multipoint support
no
This pair of headphones does not support multipoint. 30.6% of headphones support multipoint.
Show more
Ambient sound mode
no
This pair of headphones does not offer ambient sound mode. 24.9% of headphones support ambient sound mode.
EQ support
no
This pair of headphones does not support EQ customization. 23.2% of headphones support EQ.
Companion app
no
This pair of headphones does not work with a companion app. 21.6% of headphones support companion apps.
Adjustable ANC levels
N/A
Voice assistant support
yes
This pair of headphones supports voice assistants. 39.2% of headphones support voice assistants.
Show more
Battery life
N/A
Battery life with ANC
N/A
Charging time
N/A
Quick charge
no
This pair of headphones does not support quick charging. 33.1% of headphones support quick charge.
Battery capacity
N/A
Show more
Brand name
Sennheiser
Form factor
in-ear
Weight
14 g
Market range: <14 g – >340 g
This pair of headphones weighs 14 g, lighter than 89.7% of headphones and equal to 1.3% of headphones.
Acoustic design
closed-back
Clamp force
N/A
Show more

Sennheiser Ocx 685I vs the average pair of headphones

246810TotalDesignSoundBatteryConnectivityCalls & ControlsFeatures
  • 93.6% lower weight
    This pair of headphones is lighter than the average pair of headphones (14 g vs 218 g). The average pair of headphones weighs 218 g.
    14 g vs 218 g
  • 18 dB/mW higher sensitivity
    This pair of headphones has a higher sensitivity than the average pair of headphones (120 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.
    120 dB/mW vs 102 dB/mW
  • Clear call microphone
    This pair of headphones offers a clear call microphone, while the average pair of headphones does not. 39% of headphones support noise-canceling microphones.
  • Direct 3.5 mm plug
    This pair of headphones includes a direct 3.5 mm plug, the average pair of headphones does not. 39.8% of headphones have a 3.5 mm male connector.
  • In-line controls
    This pair of headphones includes in-line controls, the average pair of headphones does not. 36.6% of headphones support in-line controls.
  • Wind noise reduction
    This pair of headphones reduces wind noise, the average pair of headphones does not. 34.3% of headphones support wind noise reduction.
  • Sidetone support
    This pair of headphones supports sidetone, the average pair of headphones does not. 25.3% of headphones support sidetone.
  • Quick mic mute
    This pair of headphones includes a quick mic mute, the average pair of headphones does not. 29.3% of headphones support a mute function.
  • 93.6% lower weight
    This pair of headphones is lighter than the average pair of headphones (14 g vs 218 g). The average pair of headphones weighs 218 g.
    14 g vs 218 g
  • Water resistance
    This pair of headphones is water resistant, the average pair of headphones is not. 20.2% of headphones are water resistant.
  • 18 dB/mW higher sensitivity
    This pair of headphones has a higher sensitivity than the average pair of headphones (120 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.
    120 dB/mW vs 102 dB/mW
  • 17 dB SPL higher sound pressure level
    This pair of headphones has a higher sound pressure level than the average pair of headphones (120 dB SPL vs 103 dB SPL). The average headphones reach a sound pressure level of 103 dB SPL.
    120 dB SPL vs 103 dB SPL
  • Direct 3.5 mm plug
    This pair of headphones includes a direct 3.5 mm plug, the average pair of headphones does not. 39.8% of headphones have a 3.5 mm male connector.
  • Clear call microphone
    This pair of headphones offers a clear call microphone, while the average pair of headphones does not. 39% of headphones support noise-canceling microphones.
  • In-line controls
    This pair of headphones includes in-line controls, the average pair of headphones does not. 36.6% of headphones support in-line controls.
  • Wind noise reduction
    This pair of headphones reduces wind noise, the average pair of headphones does not. 34.3% of headphones support wind noise reduction.
  • Sidetone support
    This pair of headphones supports sidetone, the average pair of headphones does not. 25.3% of headphones support sidetone.
  • Quick mic mute
    This pair of headphones includes a quick mic mute, the average pair of headphones does not. 29.3% of headphones support a mute function.
  • Boom microphone included
    This pair of headphones includes a boom microphone, the average pair of headphones does not. 13.5% of headphones have a boom microphone.
  • Non-replaceable earpads
    This pair of headphones has non-replaceable earpads, while the average pair of headphones has replaceable ones. 75.6% of headphones have replaceable earpads.
  • Fixed cable
    This pair of headphones has a fixed cable, while the average pair of headphones has a detachable one. 62% of headphones have a detachable cable.
  • No battery indicator
    This pair of headphones does not show battery level clearly, while the average pair of headphones does. 56.3% of headphones have a battery level indicator.
  • 0.2 % higher distortion
    This pair of headphones has a higher total harmonic distortion than the average pair of headphones (0.5 % vs 0.3 %). The average headphones have total harmonic distortion of 0.3 %.
    0.5 % vs 0.3 %
  • 17.4% lower user score
    User score
    6.8/ 10
    ✕
    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 distribution
    â–¼
    â–¼
    <55-66-77-88-99-10
    Sennheiser Ocx 685I
    the average pair of headphones
    Sennheiser Ocx 685I has a lower user score than the average pair of headphones (6.81 vs 8).
    6.81 vs 8
  • 4 older release date
    This pair of headphones was released earlier than the average pair of headphones (2012 vs 2016). The average headphones were released in 2016.
    September 2012
    2012 vs 2016
  • 17.4% lower user score
    User score
    6.8/ 10
    ✕
    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 distribution
    â–¼
    â–¼
    <55-66-77-88-99-10
    Sennheiser Ocx 685I
    the average pair of headphones
    Sennheiser Ocx 685I has a lower user score than the average pair of headphones (6.81 vs 8).
    6.81 vs 8
  • Non-replaceable earpads
    This pair of headphones has non-replaceable earpads, while the average pair of headphones has replaceable ones. 75.6% of headphones have replaceable earpads.
  • Fixed cable
    This pair of headphones has a fixed cable, while the average pair of headphones has a detachable one. 62% of headphones have a detachable cable.
  • 0.2 % higher distortion
    This pair of headphones has a higher total harmonic distortion than the average pair of headphones (0.5 % vs 0.3 %). The average headphones have total harmonic distortion of 0.3 %.
    0.5 % vs 0.3 %
  • No battery indicator
    This pair of headphones does not show battery level clearly, while the average pair of headphones does. 56.3% of headphones have a battery level indicator.
  • 4 older release date
    This pair of headphones was released earlier than the average pair of headphones (2012 vs 2016). The average headphones were released in 2016.
    September 2012
    2012 vs 2016

Video reviews

Hands-on testing, unboxing, and real-world video evaluations

Overview video
Not graded yet

Expert reviews

In-depth analysis and verdict from leading tech publications

soundvisionreview.com
29/07/2014
Group test · Sports earphones
Verdict
The Sennheiser OCX 685i is a comfortable, well-built workout earphone with good bass, but it can pop out mid-session unless you find the right tip size.
E
ems-werk.de
02/05/2025
Summary of the review
Sports Headphones: Three Models Tested
(Translated)Show original
C
chip.de
06/04/2026
Summary of the review
Sennheiser Headphones Review: The Best In-Ear and Over-Ear Models
(Translated)Show original
H
high-tech-out.net
06/03/2014
Summary of the review
Sennheiser Adidas PX 685i review: Slim and lightweight sports headphones
(Translated)Show original
lydogbilde.no
27/06/2013
Review · Workout earphones
Verdict
The Sennheiser OCX 685i has balanced, detailed sound that can feel dull after a while, so it suits listeners who want neutral sound over fun.

Third-party reviews

Based on ratings from across the web.
Reviews last updated: November 2026 · How we calculate this

What customers like about Sennheiser Ocx 685I

  • Exceptional sound quality with clear mids and crisp highs
  • Secure ear-hook design prevents them from falling out during intense movement like running
  • Sweat and water-resistant materials ideal for sports and gym use
  • Lightweight and comfortable for most users even during long workouts
  • Provides situational awareness by allowing some ambient noise for safety
  • Integrated inline remote and microphone for call and volume control on iOS devices

What customers don't like about Sennheiser Ocx 685I

  • Bass reproduction may feel light or lacking for fans of bass-heavy music
  • Some users find the earpieces can cause soreness or discomfort after extended use (over an hour)
  • Can be difficult to achieve a perfect seal/fit in the ear canal for some ear shapes
  • Full volume controls are often only compatible with iOS devices
  • Durability concerns where some users felt the build quality seemed delicate for the price

Verdict

The Sennheiser OCX 685i is a high-performance wired sports headset featuring a frequency response of 18 Hz to 20,000 Hz, an impedance of 16 ohms, and a high sound pressure level of 120 dB. Designed for active use, it utilizes adjustable earhooks for a secure fit and is constructed with sweat- and water-resistant materials that can be rinsed under running water. Its main characteristics include an in-ear design for passive noise isolation, a para-aramid reinforced 1.2m symmetrical cable for durability, and an integrated three-button smart remote with an omnidirectional microphone (100 Hz to 10 kHz frequency response) specifically optimized for Apple devices. Pros include its exceptionally robust build, clear audio with deep bass, and comfortable, stable fit during intense workouts; however, cons include a remote that may be difficult to use by touch alone due to button spacing and limited full remote functionality on non-Apple hardware.

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