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Lenntek Sonix Micro

Reviewed Dec 2009


Details: Updated version of Lenntek’s Sonix model
Current Price: N/A (discontinued) (MSRP: $39.99)
Specs: Driver: Dynamic | Imp: 32 Ω | Sens: 100 dB | Freq: 20-20k Hz | Cable: 4.6’ 45°-plug
Nozzle Size: 5.5mm | Preferred tips: Stock single-flanges
Wear Style: Straight down or over-the-ear

Accessories (3.5/5) – Silicone single-flange tips (4 sizes in black + extra set of Medium tips in white), 2’ extension cable, and velvet snap-close pouch
Build Quality (4.5/5) – The housings are metal and very well-built. Nylon-sheathed cabling is thick and sturdy. Housing strain reliefs could be better but the overall build is excellent.
Isolation (3/5) – Above-average isolation; perfectly reasonable for my commute
Microphonics (3.5/5) – Present when worn straight down; very low when worn over-the-ear
Comfort (4/5) – Tiny housings make these about as comfortable as straight-barrel in-ears can get

Sound (4.4/10) –The Sonix are bass-biased but don’t sound particularly unbalanced. The signature is warm and intimate. The Soundstage is rather narrow but boasts good positioning and above-average depth. The bass is impactful with a hint of bloat. It can be excessive at times but is also hugely fun on dance and other beat-heavy tracks. The slight bass bloat does not significantly affect the midrange, which is warm and dynamic, if a bit muddy. The treble is recessed compared to the bass and mids, but still present. Expectedly, they lack the clarity and detail of some higher-priced products, but overall the sound of the Sonix Micro compares favorably to other earphones in the price range and has something a lot of the competition lacks – the fun factor.

Value (7.5/10) – The Lenntek Sonix offer a mainstream, bass-heavy sound at an excellent price point and without sacrifice in other areas. Bass-lovers from all walks of life will be impressed. Though not sonically perfect, the Sonix Micro make up for their shortfalls by offering great build quality, above-average isolation and comfort, and a lifetime warranty. They feel first and foremost like a quality product, and that is their main strength.

Pros: Excellent build quality; fun, mainstream, bass-heavy sound
Cons: Can be a bit muddy





Living in the fast-paced city of Los Angeles, ljokerl has been using portable audio gear to deal with lengthy commutes for the better part of a decade. He spends much of his time listening to music and occasionally writes portable audio reviews across several enthusiast sites, focusing mostly on in-ear earphones.


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