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Details: Flat-cable enhanced-bass earphone from BrainwavzMSRP: $79.50 (manufacturer’s page)
Current Price: $60 from mp4nation.net; $60 from amazon.com
Specs: Driver: Dynamic | Imp: 16Ω | Sens: 93 dB | Freq: 20-20k Hz | Cable: 4.3′ L-plug
Nozzle Size: 5mm | Preferred tips: Stock gray single-flanges
Wear Style: Straight down (preferred) or over-the-ear
Accessories (4.5/5) – Black single-flange (3 sizes), double-flange, and triple-flange silicone tips, gray single-flange silicone tips (3 sizes), Comply S400 foam tips, airline adapter, and sturdy zippered carrying case
Build Quality (4/5) – The S1 is well-made, with metal housings and almost comically chunky strain reliefs protecting its flat cable. The cable is rather long at ~4.3ft but resists tangling very well. Mild driver flex is present
Isolation (3.5/5) – Good, especially with deeper-sealing tips
Microphonics (3.5/5) – Surprisingly decent for a flat-cable earphone; noticeable when worn cable-down but improved with over-the-ear wear
Comfort (4/5) – The S1 uses a fairly conventional angled-nozzle housing design, which keeps its large housings more flush in the ear when worn cable-up. What’s unconventional is the angled strain relief, which makes it easier to route the flat cable over-the-ear. It still works cable-down, too, and I actually managed a more secure fit that way
Sound (7.8/10) – Brainwavz has produced a lot of great earphones over the years, from the original M1 model, which remains one of my top recommendations in its class, to the reference-grade (yet very inexpensive) B2. The unifying factor is good performance for the price, and that’s the case with the S1 as well.
The S1 is a bass-heavy earphone with a v-shaped sound signature. The bass is powerful and extended, with a good balance of mid-bass impact and sub-bass depth. The low end is not the most controlled, but it is less muddy compared to most other in-ears that are similarly well-endowed when it comes to bass.
Despite its v-shaped balance, the midrange of the S1 doesn’t sound heavily recessed, partly due to the fullness of the sound and partly because of the prominent upper mids. Strong upper midrange presence also helps with the clarity, reducing the effect of the powerful low end occasionally intruding on the lower mids. Ultimately, this gives the S1 good vocal intelligibility and better clarity compared to other sets with similar bass quantity such as the NarMoo S1 and Tekfusion Twinwoofers.
The strong top end of the Brainwavz does come with some caveats – the earphone sounds a little peaky and has a tendency towards harshness and sibilance. Far from a deal breaker – in fact, the sibilance is in good company with the likes of the popular – and much more expensive – VSonic GR07 in the way it is presented. Also, while the S1 has plenty of treble energy, its tone is not particularly bright thanks to the heavy bass. Similarly, the energetic top end is a tolerable – even beneficial – as a way of counterbalancing the bass, especially at low-to-medium volumes.
On the point of volume, the S1 has above-average sensitivity despite the rather low stated figure. Its overall tonality is hard to characterize – the energetic treble prevents the earphones from sounding particularly warm, but they also don’t sound bright because of the strong bass. To provide some comparisons, the MOE-SS01, a similarly-priced dual-dynamic earphone, sounds colder (and harsher) next to the Brainwavz S1 thanks to its flatter, even more upper midrange-heavy sound. The T-Peos Rich200, on the other hand, is downright brighter – its signature is v-shaped, but biased less towards the low end than that of the S1. The SS01 is more spacious than the S1, whereas the Rich200 has a smaller, more in-the-head presentation.
Value (8/10)– The Brainwavz S1 combines plentiful bass and strong treble to deliver a lively, engaging sound with a popular v-shaped sound signature. Its tuning is like an improved version of the best-selling KlipschS4, for not much more money. Sure, it could stand to be smoother and the bass can get intrusive at times, but with a price tag well south of $100, good build quality, and a housing design that’s surprisingly comfortable when worn cable-down, the S1 is a good buy.