| Balanced Armature | 10 mm Driver |
?AudioSense AS20, an hybrid earphone with 1 balanced armature and a big 10 mm dynamic driver.
The AudioSense AS20 are well constructed with robust metal materials and a clean bullet-style design. The housings have a rubberized black ring around them with a “earwing” shape that it is intended to improve the tightness of their fit.
The cable is braided from the 3.5mm plug up to the cable bifurcation and rubberized from the cable bifuraction up to the earpieces. Every detail is built in metal, like the mini stereo plug section, the cable bifurcation piece, the sliding cable strainer and the housings itself.
When you see the AudioSense AS20 you will immediately spot the resemblance with the BlitzWolf BW-VOX1. Designwise the AudioSense AS20 and the BlitzWolf BW-VOX1 look almost identical with minor differences found in the “earwings” which have a hole in the AudioSense and not on the BlitzWolf, you will also see that the cables miss the rubberized material on the BlitzWolf but include a mic/remote (the AudioSense AS20 does not have mic nor remote control). Both earphones also differ in technical specs, the AudioSense’s dynamic driver size is 10mm while the BlizWolf’s is 8mm and regarding impedance and frequency response the AS20 is 20 ohm and 20-22000 Hz while the BlitzWolf is 16 ohm and 20-40000Hz.
When we saw both models we had to decide to buy either one or the other and we had a hard decision. On the first place, we had never reviewed an AudioSense branded earphone before but the brand has gained good reputation from older models, on the other hand, we have reviewed the BlitzWolf BW-ES1 and has performed greatly but at the end we decided to give AudioSense a chance.
The AudioSense AS20 used to be found available at Aliexpress but nowadays it is most commonly found at Amazon under the name “Flymemo AS20“.
You can buy the AudioSense AS20 in:
- AudioSense AS20 Silver
Instead if you prefer, you can buy the BlitzWolf BW-VOX1 at:
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AudioSense AS20 - Review
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AudioSense AS20 weight in Ounces and AudioSense AS20 weight in grams.
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Accessories & Packaging
The earphones have a packaging presentation that makes them look extremely premium, even many 1st class brands with models costing up to 5 times the price of the AS20 do not come as well presented as this AudioSense model.
The AudioSense AS20 unboxing results in 4 pair of eartips (5 counting the ones placed on the earpieces), 1 pair of silicone cable guides and a hard carrying case with the AudioSense logo.
Bass & Sub Bass
The bass of the AudioSense AS20 has enough mid-bass punch but sub-bass is almost gone. If it wasn’t for the lacking response of the lower end of the bass range the AudioSense AS20 could had provided a conservative but well balanced and not invasive bass response but instead it sounds sort of unbalanced. People hating sub-bass presence or exclusively listening to music that does not require sub-bass will probably dig this earphone’s bass. For the rest of the people, they might just seem lacking sub-bass depth.
Applying an EQ, their mid-bass gets slightly empowered and sub-bass gains a bit of depth but sounds distorted.
During our extreme bass tests the AudioSense AS20 were able to handle 27.5% of a Fiio E12 Mont Blanc amplifier (high gain mode, bass boost turned on, custom basshead EQ). The results were a slight augmentation of mid-bass punch and an empty sounding sub-bass that became a all-over-the-place distorted sound with anything above 25% of amplification. Of course, no basshead rumble or impact can be expected. If you were looking for one you should take a look at the Sony MDR-EX650AP, Pioneer SE-CX8, Xiaomi Mi In-Ear Headphones Pro, Senfer 4in1, KZ ZST, BlitzWolf BW-ES1, DZAT DF-10 or the AUKEY EP-C3, for example.
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Mids & Vocals
The AudioSense AS20 have lower mids that show little to-no mid-bass bleed and with very clear lower vocals that sound energetic and never distant but there is a tint of boxiness and eco on them. Their higher mids are crisp but they might be too crisp becoming recurrently harsh. Their mids, despite sounding clear on the lower mids, turn fatiguing after a brief time.
With an EQ, the hints of boxiness and ecoish sound becomes very strong making their vocals sound like being talking with someone through cliff or holding a conversation inside an empty large-sized pool. Higher mids harsh style before equalizing became extremely harsh and unhearable.
Highs & Treble
The AudioSense AS20 has highs that are bright but do not resolve much detail, sibliance is strong and too often perceivable while peaks also are very frequently piercing. Overall, their highs become easily disturbing and do not provide much detail.
An EQ makes their highs very bright and are able to gain some detail but their piercing highs become dangerously strong and the sibilant peaks unbearable.
The sound that leaks out of these earphones will be clearly perceivable in mediumly-quiet situations and while listening to music at a moderate-high volume.
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Noise isolation is good, very slightly better than most average earphone. This means that the perceived noises will be subdued but will not offer a strong isolation unless a very high volume is set.
The fit and comfort is very good, snuggly fitting and pain free. Their fit is secure enough as to not fall off on normal activities but it is not extremely tight as to withstand a more active use. Moreover, the sort-of earwing on the housings is not usable as it is placed so far away on the earpieces that they do not get in contact with the ear itself.
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Response to Equalization
The response to EQ was terrible making their vocals sound boxy and strangely ecoish, higher mids becoming badly harsh, sub-bass distorting and higher frequencies transforming into deafly producing piercing and sibilant highs (but gaining some detail and brightness).
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- Accessories - 10/1010/10
- Design - 9/109/10
- Bass - 5.75/105.8/10
- Mids - 5/105/10
- Highs - 5.25/105.3/10
- Sound Leak - 6.5/106.5/10
- Sound Isolation - 7/107/10
- Comfort - 8/108/10
- Response to EQ - 3/103/10
- Value for Money - 2/102/10
- ✅ Nicely packed and very good amount of accessories included
✅ Polished looks
- ❌ Sub-bass lacks depth
❌ Highs are very piercing and strongly sibilant
❌ Lower mids sound somewhat boxy and ecoish
❌ Higher mids are too harsh
❌ Very fatiguing mids
❌ Horrible response to EQ
❌ Very expensive for the sound quality provided
- We had high hopes for the AudioSense AS20 and even it's technical specifications, looks and presentation seemed to promise a lot but, unfortunately, they did not performed very well with what we could define as a "weird sounding style" with their fatiguing mids and highs full of piercing, sibilant and harsh peaks, boxy and ecoish vocals and unbalanced bass.
To be honest, the AudioSense AS20 are one the most expensive low performing earphones that we have ever bought, we highly regret not having decided to buy the BlitzWolf BW-VOX1 instead.
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AudioSense AS20 Frequency Response
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|Driver Unit||1xBalanced Armature + 10mm DD|
|Cord||Y-type, round cord|
|Plug||Stereo mini plug|
|Supplied Accessories||5x Earphone tips; 1x cable guide; 1x hard carrying case|
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