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The health audio market has seen a major shift in direction of open-ear designs, and OpenRock’s newest providing, the S2, positions itself as an inexpensive entry level into this rising class. These earbuds promise to ship the advantages of situational consciousness while sustaining sound high quality that gained’t disappoint throughout exercises. With a beautiful value level of £60 and options sometimes discovered on costlier fashions, the S2 represents an intriguing proposition for health lovers and informal customers alike.
OpenRock, a subsidiary of OneOdio, has established itself since 2021 as a model targeted particularly on sports activities and health audio options. The S2 continues this legacy with a hook-clip hybrid design that goals to unravel the perennial downside of earbuds falling out throughout intense bodily exercise while protecting customers related to their environment.
Specification / Options

Specification Particulars
Specification | Particulars |
---|---|
Mannequin | OpenRock S2 |
Single Earbud Weight | 7g |
Complete Weight | 58g |
Speaker Measurement | 12mm |
Bluetooth Model | 6 |
Battery Life | 8 hours (Single) / 32 hours (with case) |
Bluetooth Connection Distance | >10 metres |
Waterproof Score (Earbuds) | IPX5 |
Audio Codecs Supported | LDAC, AAC, SBC |
Working Temperature | 0°C to 45°C |
Options
Audio Know-how
Driver Configuration
The S2 incorporates 12mm drivers with BassDirect know-how. This technique channels low-frequency vitality immediately in direction of the ear canal while sustaining the open-ear design precept. The drivers ship as much as 30mW output energy with a frequency response vary of 20Hz to 20kHz.
Audio Codecs and Processing
Assist contains LDAC, AAC, and SBC codecs, with Hello-Res Audio certification. The LISO 2.0 algorithm supplies dynamic bass and treble adjustment. Three preset sound modes can be found: Rock, Calm down, and Growth, alongside customisable EQ settings by means of the companion software.
Connectivity and Controls
The earbuds utilise Bluetooth 6.0 with multipoint connection functionality, permitting simultaneous pairing with two units. Connection vary extends past 10 metres underneath optimum situations.
Bodily button controls are positioned on the ear hook part somewhat than touch-sensitive surfaces. This contains built-in digital camera distant performance for smartphone images when the gadget is in digital camera mode.
Water Resistance and Sturdiness
The S2 carries an IPX5 score for water resistance. The safety system incorporates three parts: angled carrying place to encourage sweat runoff, impartial driver chamber design to isolate digital parts, and nano-coating remedy on circuit boards and electrodes.
Inside testing signifies the titanium wire parts face up to over 5,000 bending cycles while sustaining structural integrity.
Name High quality and Microphones
4 MEMS microphones are positioned throughout the earbuds, utilising beamforming know-how and AI noise cancellation algorithms. This configuration goals to keep up voice readability throughout calls, notably in windy situations.
Companion Software
The OpenRock software supplies entry to EQ customisation, firmware updates, gadget location options, and well being monitoring features. The well being options embody listening time reminders and quantity restrict settings to encourage safer listening practices.
Design

The S2 utilises a hook-clip hybrid design weighing 7g per earbud. The development employs 0.6mm titanium wire filaments mixed with liquid silicone supplies. This strategy creates a three-point help system that contacts the ear rim, ear clip, and ear wheel areas. The earbuds function a 20-degree angle alignment meant to match the pure ear canal orientation.
The charging case provides 51g to the overall system weight, bringing the entire package deal to 58g. The case design incorporates a speckled coating with textured end parts that resist fingerprints and supply a safe grip. The case sits flat when positioned on surfaces, avoiding the instability points that plague some competitor designs.

Construct high quality feels strong all through, with supplies that don’t seem cheaply manufactured. The matte black end with refined gold flecks creates an understated aesthetic that ought to enchantment to most customers. The USB-C port is sensibly positioned on the facet of the case somewhat than beneath, permitting for secure charging while sustaining the case’s compact footprint.
The earbuds themselves function a chrome-like end on the driving force housing, contrasted with the matte black of the hook part. This two-tone strategy provides visible curiosity with out being ostentatious. The titanium wire building supplies glorious flexibility while sustaining structural integrity – these earbuds might be twisted and bent significantly with out concern for harm.

Match / Consolation

The hook-clip design represents a center floor between pure ear-hook kinds and easy clip-on configurations. The 7g weight per earbud locations them among the many lightest choices within the open-ear class, making them just about undetectable throughout prolonged put on. The three-point contact system distributes weight evenly throughout a number of areas of the ear, lowering strain factors that may trigger discomfort throughout lengthy periods.
The titanium wire flexibility permits for some lodging of various ear shapes, although this isn’t as customisable as reminiscence wire options discovered on some premium options. The 20-degree angle alignment works effectively for many ear anatomies, positioning the drivers appropriately for sound supply while sustaining the open-ear precept.
Nonetheless, match might be considerably variable relying on particular person ear anatomy. Some customers might discover the drivers sit barely larger than optimum, doubtlessly lowering quantity and bass impression. The driving force placement on the higher portion of every earshell also can lead to partial obstruction by the tragus for sure ear shapes, which can muffle output high quality.
The liquid silicone materials feels nice towards the pores and skin and reveals no indicators of inflicting irritation even throughout prolonged put on durations. The earbuds stay snug for multi-hour periods, making them appropriate for lengthy exercises or all-day put on eventualities.
How do they carry out throughout intense gymnasium exercises?
Throughout weightlifting, HIIT periods, and different high-intensity actions, the S2 demonstrates glorious stability. The hook design prevents the earbuds from dislodging throughout speedy actions, burpees, or inverted workouts. The safe match means customers can deal with their exercise somewhat than continuously adjusting their earbuds.
The IPX5 score supplies satisfactory sweat resistance for many gymnasium actions. Testing with heavy perspiration confirmed no degradation in efficiency or match safety. The angled carrying place does assist encourage sweat runoff as marketed, although this isn’t foolproof in all circumstances.
One consideration for gymnasium use is the open-ear design’s interplay with ambient noise. While this permits customers to stay conscious of their environment for security, it additionally signifies that in noisy gymnasium environments, customers might have to extend quantity ranges to keep up audio readability, which may impression battery life and doubtlessly disturb close by gymnasium customers.
How do they carry out operating outside?
For outside operating actions, the S2 excels in offering the situational consciousness that makes open-ear designs interesting to safety-conscious runners. Visitors sounds, approaching cyclists, and different environmental audio cues stay clearly audible while music playback continues uninterrupted.
The safe match interprets effectively to operating actions, with the earbuds remaining secure throughout varied operating gaits and terrain adjustments. Testing on each street operating and path operating confirmed minimal motion, even throughout tougher terrain navigation.
Wind noise presents extra of a problem for the S2 in comparison with ear-cuff designs. The hook configuration and driver positioning can create extra wind noise throughout breezy situations, which can intervene with audio enjoyment. This can be a frequent concern with hook-style open-ear earbuds however bears consideration for customers who often run in uncovered, windy areas.
The battery life benefit turns into notably obvious throughout lengthy runs, the place the 8-hour single cost length simply accommodates ultra-marathon distances or all-day outside adventures.
Normal Sound High quality
The BassDirect know-how delivers surprisingly strong low-frequency efficiency for an open-ear design. The 12mm drivers produce fuller bass response than many opponents on this class, although expectations ought to stay calibrated to the open-ear format somewhat than sealed in-ear options.
Vocal readability stays sturdy throughout the frequency vary, with good articulation and presence. The LISO 2.0 algorithm does present noticeable enhancements to dynamic vary, although the advantages are most obvious at larger quantity ranges the place the open design sometimes struggles.
The three preset modes provide genuinely completely different sonic signatures. Rock mode supplies essentially the most versatile tuning for normal use, while Growth mode emphasises low-frequency vitality for high-intensity actions. Calm down mode provides a extra laid-back presentation appropriate for informal listening or low-intensity actions.
The LDAC codec help supplies entry to higher-resolution audio streams, although the sensible advantages are considerably restricted by the open-ear design’s inherent compromises. Ambient noise intrusion can masks the refined element enhancements that high-resolution codecs sometimes present.
Soundstage presentation advantages from the open design, making a extra spacious and pure presentation than sealed earbuds. This will make music really feel extra stay and fascinating, notably for acoustic and orchestral content material.
Nonetheless, the open design does impose limitations. Most quantity ranges might not fulfill customers accustomed to sealed earbuds, notably in noisy environments. Sound leakage at larger volumes also can disturb others in quiet environments, limiting utilization eventualities.
Battery Life
The claimed 8-hour single cost length proves correct in real-world testing, with slight variations relying on quantity ranges and codec utilization. The whole 32-hour capability with the charging case supplies glorious longevity for multi-day actions or customers preferring rare charging cycles.
The 5-minute fast cost offering one hour of playback proves genuinely helpful for last-minute exercise periods or when caught with depleted batteries. Full charging from empty takes roughly 90 minutes for the earbuds alone, extending to a number of hours when the case additionally requires charging.
Battery efficiency stays constant throughout completely different utilization patterns, although enabling LDAC codec help does cut back general longevity by a modest quantity. The shortage of wi-fi charging represents a minor inconvenience however isn’t uncommon at this value level.
The battery indicator integration with each the case LED and companion app supplies clear standing data, serving to customers plan charging schedules successfully.
Value and Different Choices
The OpenRock S2 have an RRP of £80. The older OpenRock S has an RRP of £75 however is offered for £45
The OpenRock Professional Open-Ear Air Conduction Sport Earbuds have an RRP of £97 however can be found for £75
The OpenRock X Open-Ear Air Conduction Sport Earbuds have an RRP of £150
There are many related different choices, together with:
- Nothing Ear (open), which can be found for round £90
- Soundcore AeroFit 2, which can be found for round £90
- Huawei FreeArc for £100
- Shokz OpenFit 2+ which can be found for £179 or the OpenFit 2 for £169
- Cleer Audio ARC II, which can be found for £200
At £60, the S2 represents aggressive worth within the open-ear section. The function set, construct high quality, and efficiency justify the worth level, notably when contemplating the included LDAC help and in depth battery life.
The pre-order pricing of roughly £50-55 makes them much more engaging, positioning them as one of the crucial inexpensive routes into high quality open-ear audio. Nonetheless, customers ought to rigorously take into account whether or not the open-ear format fits their listening preferences and utilization eventualities earlier than committing to this design strategy.
General
The OpenRock S2 are an honest pair of open-fit earbuds.
I usually favor the efficiency of ear-cuff earbuds as they place the driving force nearer to the ear canal.
However, with these, you have got the additional advantage of the hook design, which implies this can be very unlikely that the earbuds will fall off your ear throughout intense exercises.
The draw back is that they’re extra susceptible to wind noise than ear cuff earbuds, and all open-fit earbuds are susceptible to this downside within the first place.
The S2 is a good choice for customers particularly searching for the safety benefits of hook-style open-ear earbuds. The mix of light-weight building, strong construct high quality, respectable sound efficiency, and glorious battery life creates a product that successfully serves its target market.
Nonetheless, the open-ear format itself presents inherent limitations that no quantity of engineering can fully overcome. Customers accustomed to the isolation and bass response of conventional earbuds might discover the S2’s efficiency underwhelming, no matter how well-executed the implementation could also be.
The driving force positioning and match variability signify essentially the most vital considerations, as they’ll considerably impression the listening expertise relying on particular person ear anatomy. Potential patrons ought to ideally check the match earlier than buying, although the affordable value level does mitigate the danger of an unsuitable buy.
For health lovers prioritising safety, situational consciousness, and luxury over most sound high quality, the S2 delivers glorious worth. The great function set, together with multipoint connectivity, digital camera distant performance, and in depth customisation choices, provides sensible utility past fundamental audio playback.
The construct high quality conjures up confidence in long-term sturdiness, while the IPX5 score supplies satisfactory safety for many train eventualities. Battery efficiency exceeds most opponents, making these appropriate for prolonged actions or customers preferring minimal charging upkeep.
Finally, the S2 represents a well-executed implementation of the hook-style open-ear idea at an inexpensive value compared to the options. Customers who perceive and settle for the inherent trade-offs of this design strategy will discover a lot to understand, while these searching for most sound high quality or sturdy bass response could also be higher served by conventional in-ear options or higher-end open-ear choices with extra subtle driver positioning techniques.
OpenRock S2 Open-Ear Air Conduction Sport Earbuds Evaluation
Abstract
The S2 represents a well-executed implementation of the hook-style open-ear idea at an inexpensive value compared to the options. Customers who perceive and settle for the inherent trade-offs of this design strategy will discover a lot to understand, while these searching for most sound high quality or sturdy bass response could also be higher served by conventional in-ear options or higher-end open-ear choices with extra subtle driver positioning techniques.
Professionals
- Extremely-lightweight at simply 7g per earbud
- Wonderful 32-hour whole battery life
- Safe hook design gained’t fall out throughout exercises
- Bodily buttons are extra dependable than contact controls
- IPX5 water and sweat resistance
- Good worth at £60 value level
- LDAC codec help for high-resolution audio
- Snug for prolonged put on
- Fast 5-minute cost supplies 1 hour playback
Cons
- Sound leakage at larger volumes
- Driver positioning might not swimsuit all ear shapes
- Extra susceptible to wind noise than ear-cuff options
- No wi-fi charging
- Management buttons might be unresponsive for multi-press features
- Open design limits most quantity ranges
- Restricted bass in comparison with sealed earbuds

I’m James, a UK-based tech fanatic and the Editor and Proprietor of Mighty Gadget, which I’ve proudly run since 2007. Obsessed with all issues know-how, my experience spans from computer systems and networking to cellular, wearables, and sensible house units.
As a health fanatic who loves operating and biking, I even have a eager curiosity in fitness-related know-how, and I take each alternative to cowl this area of interest on my weblog. My numerous pursuits enable me to convey a novel perspective to tech running a blog, merging way of life, health, and the newest tech developments.
In my tutorial pursuits, I earned a BSc in Info Programs Design from UCLAN, earlier than advancing my studying with a Grasp’s Diploma in Computing. This superior examine additionally included Cisco CCNA accreditation, additional demonstrating my dedication to understanding and staying forward of the know-how curve.
I’m proud to share that Vuelio has constantly ranked Mighty Gadget as one of many prime know-how blogs within the UK. With my dedication to know-how and drive to share my insights, I intention to proceed offering my readers with participating and informative content material.
Final replace on 2025-07-10 / Affiliate hyperlinks / Photographs from Amazon Product Promoting API