Astrotec is a Chinese company that produces iems and earbuds. In this review, I will be reviewing the Lyra Collection from their L series. I would like to thank Astrotec for this review unit. At the moment, you can find more information about the Astrotec Lyra Collection on .



  • Driver: 15mm Dynamic
  • Impedance: 32 ohms
  • Input: 5mW – 25Mw
  • Frequency Response: 15Hz – 40KHz
  • Sensitivity: 108Db/1mw(S.P.L at 1KHz)

Unboxing & Accessories

The Lyra Collection comes in a grey package with a protective sleeve that features the brand name and model name. There is the high resolution audio logo printed on the cover. After opening the package, you will get the earbud, cable wrap, flight adapter, carrying case, pack of foams/ear hooks and warranty card.



Earbud Build & Design

The earbud has a blue shell. There are L and R markings on the left and right shell respectively for differentiation. On each of the shell, there is a silver vent facing out. There are 2 black stripes on the Lyra Collection. This earbud does not feature a detachable cable. There is strain relief to it. The earbud is lightweight and sits in my ears comfortably.



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Cable Build & Design

The materials being used to make this cable are 6N mono crystal copper and silver plated copper. The cable is flexible and soft. It is braided nicely. The chin slider and y-splitter are black in colour. On the y-splitter, there are the words “Collection Lyra” printed in white. The jack is 3.5mm gold plated right angled and has a black housing that sports the Astrotec brand name. There is strain relief.


Sound Analysis


The Lyra Collection has good sub-bass extension that is able to provide a moderate rumble. The decay is quick. The quantity of the sub-bass has a good amount and the expression of it is not heavy. The sub-bass is presented in a rather clean manner. The mid-bass has a moderate slam to it. It is not hard hitting but there is still punch from it. The bass nature is smooth and there is good definition. Each bass note is expressed with a clean hit. Bass articulation is precise.


The midrange has a moderate transparency and it is being presented cleanly. There is slight warmth to it. The lower mids on the Lyra Collection has a moderate body to it. Male vocals are being tackled well. They are not being presented in a thick and lush style. The upper mids on the Lyra Collection is forward and female vocals benefit from it. They are being expressed in a delicate and intimate manner. The definition is clear. I feel the midrange showcases a high standard of technicality. The details retrieval is good.


The treble is extended well and there is no graininess in it. There is no sibilance and harshness. It is presented well and the stretch is moderate. The crisp is good with little sparkle. The amount of air rendered is good and gives space to the overall sound. The treble expression is not very bright and it retains a good smoothness. The details are rendered with ease. There is no congestion with clarity. Overall, the treble is non-fatiguing and being expressed with engagement.


The Lyra Collection has a natural expansion in its stage width with good depth to prevent it from being too closed in. The space rendered gives a very open feel. Vocals and instruments positioning is fairly accurate.



Astrotec Lyra Collection vs Penon BS1 Official

The BS1 Official has more sub-bass quantity and extension than the Lyra Collection. The depth the Lyra Collection reaches is not too far from the BS1 Official. The mid-bass on the BS1 Official has more body and the slam is more impactful. It is being presented with heavier weight. Bass decay on the BS1 Official is more pacey and bass texture on both is very similar. The lower mids on the BS1 Official has more quantity and male vocals are better expressed without sounding hollow or dry. The upper mids on both have similar forwardness but I feel due to the extra body, the BS1 Official presents female vocals with more intimacy. BS1 Official is more capable than the Lyra Collection to showcase an organic vocals performance. For the treble section, the Lyra Collection has slightly more extension and there is more body on the BS1 Official. The crisp on the Lyra Collection is better with slightly more definition. Lastly, for the soundstage, the stage expansion is more natural on the BS1 Official and the magnitude is similar on both. The depth has more space on the BS1 Official. BS1 Official has a more realistic feel to its stage. Resolution is similar.

Astrotec Lyra Collection vs Rose Masya

There is more sub-bass quantity and extension on the Lyra Collection. The mid-bass of the Masya is quicker and there is more agility. The mid-bass slam on both has similar magnitude and each hit is very soothing. The bass of the Lyra Collection is more refined than the Masya and there is better definition. Bass texture on both is smooth. The lower mids of the Masya has more quantity and the body helps to aid the reproduction of male vocals. Lyra Collection tackles the midrange more cleanly than the Masya with better details retrieval. There is great finesse for the Lyra Collection. The upper mids on the Lyra Collection has similar forwardness and the extra crisp gives it a more organic feeling. For the treble section, Lyra Collection has more extension but slightly less body than the Masya. The air rendered on the Lyra Collection has greater quantity. Lastly, the Lyra Collection is clinical in its stage presentation while the Masya has a more natural expansion. The width on the Lyra Collection is greater. The depth is not too close in on the Lyra Collection than the Masya. Positioning of instruments and vocals is better on the Lyra Collection. Resolution of Lyra Collection is better.

Astrotec Lyra Collection vs TY Hi-Z 650

The Lyra Collection has less sub-bass quantity than the 650 but there is similar extension on both. The rumble is quicker on the Lyra Collection. Bass precision is better on the Lyra Collection. The mid-bass on the 650 has more quantity to it and it benefits the slam. Lyra Collection operates on a different approach with agility. Bass texture is rendered more smoothly on the 650. The lower mids of the 650 has slightly more body and the thickness helps to accentuate male vocals better than the Lyra Collection. The upper mids on the Lyra Collection is more clean and there is similar forwardness. The crisp is being presented well. Female vocals are expressed with intimacy. The treble on both has similar extension and there is more bite on the Lyra Collection due to the added crisp. The width of the 650 is greater and there is similar depth. Positioning of instruments and vocals is better on the 650. Resolution on both is similar.


The Astrotec Lyra Collection is Astrotec flagship earbud and it delivers with a clean presentation. It provides a sound that has an engaging yet non-fatiguing treble. The midrange is sweet and vocals are well expressed. The Lyra Collection comes in a nice package with a premium leather case. The Lyra Collection is a great product by Astrotec and it is a top performer.