1MORE PistonBuds Pro – Review

1MORE PistonBuds Pro

| TWS | Dynamic Driver |

🎧 We are reviewing the 1MORE PistonBuds Pro, the latest TWS from the PistonBuds line.

The 1MORE PistonBuds Pro joins the model series of the brand that has been on the market for almost a decade. The PistonBuds has a long-time legacy of superb value-quality performance and at a friendly price.

The PistonBuds Pro are equipped with a True Wireless design with Bluetooth 5.2, AAC and SBC codecs and 10mm drivers with aero-titanium diaphragm.

Moreover, this TWS features Active Noise Cancelling with 1MORE’s proprietary QuietMax technology, a dedicated gaming/low-latency mode and a waterproof design (IPX5) – also, soothing sounds function can be accessed through 1MORE app.

The 1MORE PistonBuds Pro are rated at 30 hours of playback time thanks to the combination of it’s 38mAh battery (earpieces) and the 410mAh battery of the case – each full charge of the earpieces grants 7.5 hours of playback.

In addition to this, 1MORE has joined forces with Sonarworks to offer users 12 expert-customized EQ profiles that are classified as “studio-grade” by 1MORE.

The 1MORE PistonBuds Pro can be also found under the model name 1MORE EC302.

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1MORE PistonBuds Pro Review

Tests & Scores


Accessories & Packaging

The 1MORE PistonBuds Pro include 3 pair of eartips, a USB-C cable and the case/battery pack.





1MORE PistonBuds Pro weight in Ounces and 1MORE PistonBuds Pro weight in grams.

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Bass & Sub Bass

The 1MORE PistonBuds Pro provide a punchy sound with fair mid-bass for modern genres.

In spite of this, their lower frequencies do not show a loose tuning as other punchy commercial TWS.

When looking at the lower extension of their bass, users will notice a sharp fall-off that can translate in some lack of sub-bass and very deep bass notes on specific tracks and genres.


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Mids & Vocals

The 1MORE PistonBuds Pro is a warm-sounding earphone, yet technically speaking this model has a superbly flat midrange – very rare for a budget TWS.

As soon as hearing the sound of the PistonBuds Pro, users will note a balance clearly inclined to a bassy sound and a full low mid but these are part of the sound consequences of a extremely flat midrange out of the box

On the other hand, when not using an EQ, this tuning carries some congestion and lack of separation on the midrange – mostly on the lower end of the midrange.

Despite this, mid bass is not the cause as is not overly bleeding over the mid and vocals; instead, a laid back and very flat tuning of the midrange is the cause.

For listeners looking for less-forward midrange could find a better match on these TWS but it will probably not meet expectations of listeners looking for pristine, clear and defined mids (unless an EQ is applied

On the other hand, the upper end of the midrange shows a bit better placement and tuning with gentle but pleasing female vocals.

In addition to this, the conservative boosting done by 1MORE benefits from non-harsh peaks.



Highs & Treble

Highs and treble is always a polarizing range to tune and to efficiently please listeners.

The 1MORE PistonBuds Pro does a good job offering a gentle highs sound that is still able to provide sufficient brightness as to not be ranked as a muddy nor muffled sounding TWS.

It is still important to note that this TWS is not a bright headphone nor an audiophile-styled sounding one but will provide long lasting listening sessions without introducing early fatigue.

As expected by the sound profile of the PistonBuds Pro, this earphone is nearly free of any piercing and sibilant highs.



Sound Leak

Even while cranking the volume all the way up, the PistonBuds Pro showed a marginal level of sound leak and were never too hearable by any nearby person.

Users looking at this TWS for their daily commuting can rest assured that this model will never be an issue for this kind of use.


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Sound Isolation

The 1MORE PistonBuds Pro fit deep and tight in the ears, providing a decent passive isolation.

Additionally, this model comes with QuietMax tech (1MORE’s Active Noise Cancelling) that is able to empower it’s cancellation capability.

Specifically, this model, has 3 noise cancelling mode, which include: ANC strong (classic noise cancelling mode), Transparency mode (mode to hear the surroundings – usually found as passthrough-mode) and WNR mode (a mode tuned to filter the noise generated by wind on windy situations)

The brand rates it’s noise cancelling performance at -38dB; during our testing and measurement it’s noise cancelling was able to reach peaks of -32.3dB.

When testing the Transparency mode, there was a clear improvement of the surrounding environment without adding any strange noise artifacts nor any sound quality deterioration.

In addition to this, there was no significant sound quality deterioration while using any ANC mode.


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The 1MORE PistonBuds Pro have a different form factor than most TWS on the market.

Yet, this type of design has a strong heritage from many 1MORE classics that have an all-time leading performance in the comfort department.

Indeed, the PistonBuds Pro provide an outstandingly secure fit while keeping it’s wearability extremely comfortable and pleasant.

It is worth noting, that this model has a more protruding size than some other TWS but this should not be a problem on average-sized ears.

All in all, the 1MORE PistonBuds Pro have proved to be one of the most comfortable TWS that we have tested so far.


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Response to Equalization

Sonarworks is an industry-leading company dedicated to sound handling, EQ, calibration and sound compensation.

Seeing 1MORE joining Sonarworks to incorporate some of their expertise in a budget-friendly headphone is a nice added value for the PistonBuds Pro and a feature that can be strongly welcomed by user’s that do not want or do not know how to fine-tune sound with an EQ.

Throughout our testing, Sonarworks’ EQs showed a noticeable sound difference from preset to preset, this can make the PistonBuds Pro to adapt to a wider range of music genres.

Additionally, the pristinely flat midrange tuning of this TWS right out of the box gives EQ knowledgeable people a phenomenal starting point and very responsive effects.


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Frequency Response (raw)

1MORE PistonBuds Pro Frequency Response Curve

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1MORE PistonBuds Pro Technical Specifications


Driver UnitDynamic

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Scores Scores

1MORE PistonBuds Pro Scores

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1MORE PistonBuds Pro





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