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Brainwavz Zeta

Rating:
4/5,
Tags:
  • [​IMG]
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      1. Drivers : Dynamic, 10 mm
      2. Rated Impedance : 10Ω
      3. Frequency Range : 20 Hz ~ 20 kHz
      4. Sensitivity : 103 dB at 1 mW
      5. Rated Input Power : 3 mW
      6. Cable : 1.3 m Y-Cord
      7. Plug : 3.5 mm, Gold plated

Recent Reviews

  1. audioblog18
    Brainwavz Audio Zeta Review – Beater!
    Written by audioblog18
    Published Apr 7, 2019
    4.0/5,
    Pros - - Warm and Smooth Tonality
    - Price
    - Built for daily beating
    - Response very well with amplifier
    Cons - - Lack of sparkle
    - Too much mid bass
    - Non Removable cable
    Review by Mhark Jhoshua Q. Torres
    Thank you Brainwavz Audio for letting us give our honest take towards the Zeta. Given that the review unit is from Brainwavz Audio and is free of charge, it doesn’t affect the honesty and integrity of this review.

    The Company

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    Brainwavz provides high-end earphones specifically designed for high-quality sound and tailor-made to provide the user with a solution that can be used across a wide range of audio genres and styles at affordable prices. Brainwavz believes in the idea that sound is a deeply personal experience, and strives to provide users with earphones that match their personal inclinations, to inspire with intensity. The Brainwavz name is known in many countries across the globe, and the company is continually committed to providing the best products at the best value. This is what they stated in their website but hey, Brainwavz has been in the industry for years and they already build a good reputation in terms of build and sound quality in fact the B400 was a hit!

    The Brainwavz Audio Zeta

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    The Zeta are made out of plastic and for me it doesn’t feel premium or even reliable, but looks can be deceiving as I’ve been throwing it in my bag for weeks and it still work as fine as when I pulled it from the box for the first time. The color is black with red accent, the cable isn’t removable but that’s fine for a beater IEM at this price. The Zeta has 1 year of warranty so this is a good option for those who have trust issues with Chi-fi like KZ, QKZ and TRN. Detailed specification isn’t listed on their website but this is a single dynamic driver IEM.

    Packaging

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    Here’s the simple packaging of Zeta, you’ll get 3 pairs of silicone tips, the IEM itself, Velcro strap (can’t find it at the moment) and a clip. Decent packaging since most sub 20 USD IEMs don’t actually came with case.

    Fit and Comfort

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    Fit, isolation and comfort is very good, due to its small profile and lightweight materials it feels like nothing is inserted in your ear. I never felt ear strain even if I used it for hours, this is definitely a good daily beater IEM.

    Sound
    I love IEMs and earbuds with midcentric to flat sound signature as I really love listening to vocals rather than instruments. My genre ranges from heavy rock, alternative rock, pop rock, acoustic, pop, jazz and folk. Majority of my test tracks are in 16 bit – 44 khz and 24 bit – 48 khz FLAC file and here is the list of my commom test tracks.

    1. Reese Lansangan – For the Fickle (background, female vocals and upper mids)
    2. Foo Fighters – Bridge Burning (Imaging, Layering, Coherence, Sub bass and Mid bass, Mids, Treble)
    3. LANY – Thick And Thin (Mid Bass, Mids)
    4. Ed Sheeran – Dive (Mid bass, Lower Mids)
    5. Norah Jones – Don’t Know Why (Upper Mids and Instruments)
    6. Paramore – Hard Times (Imaging, Layering, Coherence, Sub bass and Mid bass, Mids, Treble)
    7. Radiohead – Life in a Glasshouse (Imaging Layering, Bass, Instruments, Lower mids, Treble)
    8. Passenger – Coins in a Fountain (Mid bass, Layering, Imaging, Instruments, Lower mids, Treble)
    9. Tori Kelly – Hollow (Background, Upper mids)
    10. Ariana Grande – Raindrops (Background, Upper mids)
    Bass

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    Moderate extension and quantity while rendering the rumbles in smooth manner, details aren’t spectacular but don’t fret it is audible but for those who nitpick while listening, you can easily distinguish the lack of texture. Sub bass is not forward or recessed, it is properly positioned. Elevated, full and a bit loose, bass lacks control but definitely packs a lot of punch. The mid bass gave the Zeta a warm-smooth tonality that is suited for easy listening. The intro of Dive by Ed Sheeran is prominent and will surely please bass heads that aren’t picky with the speed of bass and it’s decay. The bass is quite slow and even decay speed isn’t that quick causing congestion with complex rock and metal tracks.

    Mids
    Full and lush sounding, the lower mids never sounded hollow or dry, tho the texture and clarity isn’t something to be praised, it will sound veiled if you love transparent sounding gears like Tin Audio T3 or Moonbuds Bunting. Even instruments that falls in this certain range of frequency is being rendered in thick manner, the lower mids is slightly recessed with respect to mid bass. Playing IV of Spades’ ”Bawat Kaluluwa” is definitely fun when using Zeta, lush sounding vocals and punchy bass notes is suitable for quick and easy listening. Still quite lush sounding but sounds great with majority of tracks with female artist. Playing Lonestar by Norah Jones, the Zeta gave justice with her vocals by making it even more lush. It isn’t sweet nor transparent at all, but the thickness of its upper mids isn’t as much as the lower mids. Upper mids is slightly more forward than the lower mids, texture and details is average since the upper mids is still smooth sounding. Luckily the upper mids is sibilant free, therefore annoying “S” isn’t present here.

    Treble
    Treble is smooth but rolled off, none fatiguing at all. If you love treble with good definition and sparkle then this IEM isn’t for you, the treble has the least quantity and the most laid back amongst the three major frequencies. It’s airy but with metal and rock tracks like Asphyxia the treble is lacking, cymbals aren’t energetic and engaging at all. It’s good for acoustic tracks and edm tracks where treble isn’t that prominent along the track. Decay has decent speed while the resolution is just average.

    Sound Stage and Resolution
    Sound stage isn’t that boxy like some or budget KZ IEMs, depth is decent while the height and width is pretty good. Layering and imaging is not spectacular, it gets pretty congested with busy tracks, but for the price, it’s decent in this category. Resolution is satisfactory, from sub bass to lower mids the details are pretty nice despite its smoothness. Upper mids and treble is not that resolving but that’s fine since the target of this IEM is casual listening with non fatiguing sound signature.

    Synergy and Sound Signature
    Zeta’s sound signature is warm and smooth with rolled off treble, the bass is prominent and elevated that will actually please bass-heads out there and just enough to give a taste of thump in your tracks. The mids is not that recessed while the treble is presented in smooth and relaxing manner while losing details and extension.

    Shanling M3s

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    The M3s is known to be an intimate sounding DAP with balanced sound signature and stellar mids, with this the Zeta sounded really warm with very smooth and thick presentation. Sub bass has good extension and quantity, mid bass is still elevated but kinda slow for busy tracks. Mids is still lush and not thin or hollow, male vocals are delivered very well while female vocals lacks sweetness. Treble lacks extension, resolution and sparkle. Really good pairing for easy listening during commute.

    Adding Jazz R7.0 to the link and copper IC, the bass became quicker and more controlled without adding further quantity, mids became cleaner and smoother while the treble remains the same.

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    Smartphone (Huawei Mate 10)
    The Huawei Mate 10 has a sound signature of neutral-bright, sound quality is not on par with the M3s, noise floor is a bit high. Bass extension became shallow, and the quantity was reduced. Mids remains full sounding and smooth while the treble gain more definition and sparkle. This pairing is good for those who doesn’t want excessive warmth.

    Comparison
    KZ ZSN
    The KZ ZSN and Zeta are opposite since they have emphasis on treble and bass respectively. Clarity, resolution, build quality and aesthetics easily goes to the ZSN due to its thin presentation. Bass, fit and staging goes to the Zeta plus 1 yr warranty. The Zeta sounds more natural and airy while the ZSN has more transparent presentation but sounds boxy at times.

    Conclusion
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    The Zeta is built for casual listeners who is looking for a nice sounding pair, with good fit, isolation and comfort. It is perfect for daily commute. Bass is elevated and rich in quantity, mids is lush, smooth and far from being dry. Treble is quite the weak point but still nice for easy listening. Technical performance such as sound stage, resolution, imaging and layering is good for the price. This isn’t the best sounding pair for the price, but it is the most comfortable one and it has 1 year of warranty in case you’re clumsy, you can also order it without shipping fee, pretty sweet right?
  2. B9Scrambler
    Brainwavz ZETA: Reliable
    Written by B9Scrambler
    Published Dec 15, 2018
    4.0/5,
    Pros - Solid build and material quality - Warm, easygoing signature - Well-matched accessory kit
    Cons - Perception of value as it is lacking features now common at this price like a three button remote or removable cables
    Greetings!

    Today we're checking out the ZETA, a new entry level offering from Brainwavz.

    Brainwavz is a brand I am quite familiar with as over the years they have provided many opportunities to review their products, opportunities of which I am very appreciative. The excellent single dynamic Jive won me over with it's comfy metal shells and precise driver, while their B-series iems brought Brainwavz storming confidently back into the world of armatures. Their quad-armature B400 model sits right near the top of my favorite audio products to this date. At the time I reviewed the Omega in February of 2016, the 6mm micro-driver equipped, steel bodied earphone was the most wallet-friendly offering in Brainwavz's lineup. The introduction of the ZETA means it and now holds the position of 'wallet's best friend', with the Omega coming in at a couple dollars more.

    20 USD is a very competitive segment where you find a wide variety of purchasers; those that just want something cheap and cool looking to listen to without much care for sound quality, to those that are hunting for that one budget earphone that offers crazy value for money. The ZETA find itself in a comfortable middle ground offering up a non-fatiguing signature with solid technicals in an interesting looking and durable package. Let's take a closer look, shall we?

    Disclaimer:

    A huge thanks to Marlon for sending over a complimentary sample of the ZETA for the purposes of this review. The thoughts within this review are mine and mine alone, and do not represent Brainwavz or any other entity. The was no financial incentive provided to write this review. At the time of writing, the ZETA was on sale for 14.99 USD. Regular retail price is 20 USD. You can check them out here;

    https://www.brainwavzaudio.com/collections/earphones/products/brainwavz-ZETA-iem-earphones

    Source:

    The ZETA is really easy to drive and sounds consistent across sources. It spent most of the time being powered by a Shanling M0 or the Radsone Earstudio ES100 connected to my LG G6 over LDAC Bluetooth.

    Personal Preferences:

    I listen primarily to various EDM sub-genres (liquid drum and bass, breakbeat, drumstep, etc.), hip hop, and classic rock. While I enjoy a variety of signatures in my headphones I generally lean towards slightly warm with elevated treble and sub-bass, an even and natural mid-range response, with reduced mid-bass. The HiFiMan RE800, Brainwavz B400, and thinksound On2 offer varied examples of signatures I enjoy. I generally listen at very low volumes, so keep this in mind when reading my thoughts on how an earphone sounds.

    Specifications:
    • Driver: 10mm dynamic
    • Impedance: 16 ohms
    • Frequency Range: 20Hz – 20kHz
    • Sensitivity: 103dB @ 1mW
    • Rated Imput Power: 3mW
    • Cable: 1.3m, copper
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    Packaging and Accessories:

    The ZETA arrived in a durable plastic bag sealed shut by some exceptionally sticky, double-sided tape. On the front you find some angular design flourishes and an image of the earphones. Also mentioned is that the ZETA is equipped with a microphone and remote, and has a 24 month warranty. Not bad for 20 bucks. Flipping to the back you find a list of contents, features, specifications, and a statement outlining the purpose of the ZETA:

    The Brainwavz Zeta are a lightweight day-to-day earphone with finely tuned dynamic drivers, producing high fidelity vocals with a smooth, detailed bass. These dynamic in-ear-monitors with in-line remote provide a lively and wide soundstage that's perfect for all genres of music.”

    Inside you find the following:
    • ZETA earphones
    • Velcro cable tie
    • Shirt clip
    • 3 pairs of single flange silicone ear tips (s/m/l)
    • Silicone ear stabilizers
    • User guide/warranty card
    While I do wish that one of Brainwavz's amazing semi-hard shell cases were included, I totally understand why one isn't; cost. As such, this is a perfectly acceptable accessory kit for the price. The tips are of decent quality, the Velcro cable tie is useful, and the shirt clip combined with the ear stabilizers work well to keep the ZETA steady during heavy activity.

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    Build, Comfort, and Isolation:

    The ZETA doesn't feature any special materials and is constructed entirely of plastic. That said, the plastic used feel to be of good quality. They feel solid in hand and if flicked, return a dense thunk as opposed to the cheap sounding click you get from lower quality plastics. While mold lines are present, fit and finish is just fine with the various parts composing the earphone fitting together well. Special mention goes to the rubber ring that you can replace with ear guides. To ensure they stay lined up properly, there are small notches that keep it from sliding around. That sort of attention to detail to a feature many will probably overlook is welcome.

    If you've used a Brainwavz earphone before, you've very likely experienced the rubber sheathed cable affixed to the ZETA. Below the y-split it is quite dense and well relieved at the 45 degree angled jack. The y-split is made from a solid rubber with good relief leading into the bottom. The cable splits into two thinner strands heading towards the earpieces where you also find a handy chin cinch. That's going to come in handy because without using it, the cable transmits a fair bit of noise through to your ears. Leading into the ZETA's earpieces the cable enters a rubber opening. I'll consider this a weak point because the opening is wider than the cable which lets it move about. It's also quite stiff and doesn't offer much give or support during tugs. That said, this cable has proven to be very durable in my experience so I'll give Brainwavz benefit of the doubt.

    Given the light weight and fairly traditional, low-profile design that often comes with a larger driver, the ZETA is quite comfortable. The rubber ring surrounding the housing ensures there are no hot spots where it touches your ear. Not sure what more I can say here. You insert the ZETA and you listen to your music. No fiddling, no pain, no discomfort. It's perfectly fine.

    Isolation is below average, which in my experience is pretty normal for housings of this design; wide, low profile, with a stubby, shallow fit nozzle. I can easily hear those around me, even with music playing, requiring 3rd party foam tips to block out noise as best as possible. On the plus side, the ZETA's bass forward sound works well with this limited isolation, retaining good bass performance where it becomes completely drown out on other earphones.

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    Sound:

    Tips: The stock tips are a perfect match in my opinion. Something with a smaller bore like Spinfits or those generic tips you get with tons of other earphones boost mid-bass too much, and foams smother the already relaxed upper ranges. Stick with wide bore tips.

    The ZETA comes out swinging with an unapologetically warm and consumer friendly sound. Bass is well-emphasized with good depth and impact, falling just short of what I would considered bassy. It's notthe quickest low end in the world but it's controlled well enough to handle quick moments like the closing of Skrillex's “Ragga Bomb” or Havok's “D.O.A”. Texturing is decent picking up enough detail in tracks from The Prodigy's “The Day Is My Enemy” to avoid feeling like something is missing.

    Mids are warm and mellow with enough detail and emphasis to remain articulate and clear. They are free of sibilance as evidenced running thorugh Aesop Rock's “Blood Sandwich”. Female vocals are appreciably lush with a nice level of intimacy that makes tracks like Jessie J's “Bang Bang” a treat. All three unique vocalists sound distinct like they should, playing off each other perfectly from start to finish. Male vocals are full and robust too, as I noticed when watching the LG G7 tear down on JerryRigEverything over on Youtube.

    Treble is comfortably rolled off letting you crank the volume to counter your surroundings without deafening yourself. Add to that some decent refinement and you have yourself a welcome and more competent follow up to the Omega. Air between notes is decent giving the ZETA's highs a satisfying level of clarity.

    The ZETA's sound stage is spacious and wide with fairly accurate imaging. Layering and separation are quite decent for an earphone at this price that also has with a warm tune and single dynamic. They don't quite achieve the same level of competency as some hybrids in the price range though. That said, those also tend to suffer from some coherency issues, something with isn't a problem here.

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    Select Comparisons:

    Brainwavz Omega: The Omega is colder and brighter with a narrower but more accurate sound stage. It outputs more detail and texture than the ZETA. Treble is more emphasized and seems to extend further on the Omega but it lacks the same depth and impact in the bass. The ZETA's treble is tighter and better controlled with a mid-range that is more full-bodied. Both models share a cable but the Omega's three button remote is superior to the Omega's single button, though call quality is similar. Build quality and comfort go to the Omega. The stainless steel shells look and feel more premium in the hand, and the compact size allows for a more universal fit. I prefer the Omega's overall sound signature but the loose treble has me preferring the ZETA for listening sessions. The Omega's unique design and compact size are quite appealing though.

    KZ ED15: The ED15 has a stronger v-shaped signature. It's hybrid setup has a BA handling the upper ranges and mid-range and it shows. Treble is MUCH sharper than on the ZETA and displays a fair bit of sizzle that will undoubtedly be uncomfortable for the treble sensitive out there. The mid-range of the ED15 is much leaner, colder, and quite sibilant when compared to the ZETA. Bass quality and quantity goes to the ED15 which has some of the best bass I've heard under 50 USD. As nice as the ZETA's low end is, the ED15 shows greater depth, impact, texture, and attack. The ZETA has a wider, deeper sound stage giving it a more spacious presentation. Build goes to the ED15 which far exceeds most of the competition. Its all metal shells with a fixed braided copper cable feels more premium, though they are quite heavy and as a result aren't as comfortable as the ZETA. Outside of the bass and premium build, there isn't really anything I like more about the ED15. I'd much rather listen to the ZETA.

    ADVANCED S2000: The S2000 comes across somewhat cold and dry next to the ZETA as a result of its additional lower treble energy. Note presentation on the S2000 is less dense, particularly in the mids, with a lighter, more nimble feel. Bass extends deeper and is more textured on the S2000, but lacks the same mid-bass punch. Sub-bass on the S2000 is more prominent giving a more visceral feel. The ZETA has a deeper but slightly more narrow stage and isn't quite as accurate when it comes to channel to channel movement. The S2000's shells feel a little cheaper in hand with it's mix of glossy and matte plastics. I also struggle to get a good fit and seal due to the overly stiff steel memory wire. The ZETA sits in my ears much more naturally. The S2000's twisted cable is a touch on the stiff and thin side and as a result I prefer the ZETA's cable. The inline mic on the S2000 is metal and feels more durable. Call quality is similarly fine. The S2000's detailed, balanced sound is more appealing to my ears but the tricky fit is too much to overcome. As such I found myself picking up the ZETA more.

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    Final Thoughts:

    The ZETA is a great everyday carry and a fantastic new entry level model for Brainwavz's earphone lineup. It doesn't cost much, it's made from durable materials, and the warm sound signature is satisfying to the ear. The included accessories, while not extensive in any way, are all useful and appropriately matched with the product. The ZETA is a well-thought out release in my eye, and a very solid buy.

    One could argue that at the same price something like the KZ ZSN would be a better buy, and for some it definitely is. It has a more premium acrylic and aluminum build, a removable 2-pin cable, and a hybrid driver configuration with outstanding performance. Still, that kind of earphone isn't for everyone. The ZETA is easier to get a hold of and has a 2-year warranty vs. the ZSN which has none (for the majority of buyers). Should you need after purchase support with it, you need to go through a convoluted process with the seller and many simply do not want to deal with that hassle. Also, in my experience removable cables are a massive turn off for “normal” consumers which the ZETA seems targeted towards. I can't tell you how many times I've tried to give away an earphone only to have someone decline when they find out it has removable cables. They know they'll lose an ear piece and instead want something with a fixed cable.

    When it comes down to it, the ZETA is a quality product that knows it's target audience. It is well worth checking out if you want something that sounds good, fits well, is durable, and has zero learning curve. This is an earphone you plug into your player, stuff in your ears, and enjoy. No messing about. This is good stuff.

    Thanks for reading!

    - B9Scrambler

    ***** ***** ***** ***** *****​

    Some Test Tunes:

    Aesop Rock – The Impossible Kid (Album)
    Hail Mary Mallon – Are You Going to Eat That? (Album)
    King Crimson – Lark’s Tongues in Aspic (Album)
    King Crimson – Starless and Bible Black (Track)
    Supertramp – Crime of the Century (Album)
    Infected Mushroom – Legend of the Black Shawarma (Album)
    Gorillaz – Plastic Beach (Album)
    Massive Attack – Mezzanine (Album)
    Fleetwood Mac – Rumors (Album)
    Run the Jewels – Run the Jewels (Album)
    The Prodigy – The Day is My Enemy (Album)
    Tobacco – F****d Up Friends (Album)
    Felt – Felt 2 (A Tribute to Lisa Bonet) (Album)
    Michael Jackson – Thriller (Album)
    The Crystal Method – Grace (feat. LeAnn Rimes) (Track)
    Jidenna – Long Live the Chief (Track)
    Skrillex – Ragga Bomb (Track)
    Big Grams – Run for Your Life (Track)
    Funkadelic – Maggot Brain (Track)
    Aesop Rock – Fishtales (Track)
      Otto Motor and crabdog like this.
  3. Johnny Mac
    Brainwavz Zeta, Bazzy.
    Written by Johnny Mac
    Published Sep 25, 2018
    4.0/5,
    Pros - Great accessory set, average sound, sturdy build.
    Cons - Might be too warm for some.
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    There are literally thousands of $20 IEMs out there that is not made to target the audiophile market but the masses who are happy with just being able to hear their tunes or watch their daily dose of media shows straight out of their mobile phones and laptops. Enter the Brainwavz Zeta IEMs and competition gets interesting, we are talking about IEMs you’d usually find on your MAC centers here and the entry level audiophile IEMs as well. The Brainwavz Zeta uses a single dynamic 10mm driver with specifications of a 10 Ohm impedance, 20 Hz - 20 kHz Frequency Response, Sensitivity of 103 dB at 1 mW and a Rated Input Power of 3 mW. Thanks to Marlon of Brainwavz for providing the review unit in exchange for an honest review, the Brainwavz Zeta is priced at $20 and you can grab them at Brainwavz official website, Brainwavz Audio, along with all of their other audio solutions. Brainwavz also mentioned that the Zeta’s will “Energize your day” with “Exceptional Sound and Comfort”. Here’s to hoping it delivers.

    Packaging and Build Quality

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    The Zeta’s came in a small translucent pouch with a built-in hanger, the pouch uses adhesive for sealing it and after some repetitive close/open actions, it is unusable, would have been cool if they used the ziplock pouch which they use on their earpads packages. The package is simple and has some interesting quotes like “24-Month warranty” which was confusing since their site says it has a 12-Month warranty. It also quotes “Smooth Detailed Bass, Lightweight Design and Comfortable Fit”, we’d get back to these later on. Inside the pouch is a tiny ziplock pouch which stores the included 3 size black silicon eartips (S, M, L), 2 red rubber earbud housing loops and a black shirt clip. A cool accessory set for $20. The Zeta’s themselves are in a separate pouch and has a velcro strap keeping it intact.

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    The Zeta’s has a fixed cable which is black all over and has excellent strain relief on both the Y-split and on the 80-degree gold-plated 3.5mm plug. A cable cinch is also present along with a single button that controls both music stop/play playbacks and answer/drop call functions. The IEM housing itself is built strudy and uses a corrugated round silhouette which is great for gripping when removing and inserting the Zeta’s, a vent is also present on the backside which upon use is almost 90% blocked. Overall the build is excellent and I have used it quite extensively at work since it can be basically tossed here and there and also on my bedside for the late-night FB videoclip scourging which sometimes is left in my ears when I fell asleep and the IEMs being rolled over when I twist and turn on my sleep and so far, it isn’t broken. So, their “Comfortable Fit and Lightweight Design” claims are marked appropriate.

    Tonality

    Now this is tricky, right off the pouch, the Zeta’s were BASSY and BOOMY. I’ve never heard Ed Sheeran sang that low to be honest when I plugged it my OnePlus 3T mobile phone. I then handed it to my girl and it was confirmed when she immediately asked “why is this so bassy?”. I just chuckled and told her, “Burn-in”. I have decided to use a medium-sized black generic (the one you’d find randomly on some IEMs) foam tips for the Zeta’s as the stock silicon eartips weren’t giving any good seal on my ears. I also did a full 200-hour burn-in for this since I really want to know if this were any good since the out of the pouch experience was kind of a letdown. I had a really hard time choosing what I’d use of the duration of the realview for the Zeta’s and ended using my OnePlus 3T with the BlackPlayer App along with 16/44 FLAC’s and the Opus 1 as well.

    Lows

    There is no question that the Zeta’s cup of tea is its low-end, even after the 200-hour burn-in, the low-end is still its prominent feature. It however tamed the excessive bass bleed that clouds the totality of the sound spectrum. In Daft Punk’s “Game of Love” in 16/44 FLAC, the bass sounded boxy and impact had moderate thump on it while the decay gave a lingering effect even when the midrange comes into play. Overall the low-end sound of the Zeta is its most dominant aspect yet one that you can’t pride over much. Brainwavz claim that the Zeta’s gives out a smooth detailed bass is about 70% accurate, they did nail that the Zeta’s is a basshead IEM.

    Midrange

    Maroon 5 came to play with the Zeta’s midrange, their “Moves like Jagger” in 16/44 FLAC which has a good balance of lows, mids and highs gave Adam’s vocals a run for his money. The midrange performance gave no notable dips and peaks and sounded pushed back at some point. The midrange is clearly laid-back and doesn’t emanate any of the lively or musical ambience the “Moves like Jagger” should have displayed at a great degree. The “Out of Goodbyes” track featuring Lady Antebellum in 16/44 sounded much more enticing on the Zeta’s rather than letting this IEM churn out upbeat tunes, the female vocals blends well in the spectrum and sounded natural but then again, the bass is still there, bass extension that is.

    Highs

    The highs of the Zeta’s are your peace of mind, it is almost guaranteed to never provide harsh treble peaks and gives out a good deal of articulate and detailed highs albeit at a pitch lower yet also doesn’t give out sparkle and any sizzle. It however gives a smooth sounding result which is a welcome feature at $20.

    Soundstage and Imaging

    The soundstage performance of the Zeta’s is intimate and pans out rather a wee bit slow rendering an almost mediocre imaging. Left and Right instrumental hits are still distinct with also mediocre accuracy. It is very important that you find a good seal on the Zeta’s to aid for a respectable soundstage and imaging performance.

    Conclusion

    The Brainwavz Zeta is a well-built IEM for the masses which can also handle your tunes respectably. The functionality of the 1-button mic is also accurate and responsive in both the iOS and Android platforms and the cable also doesn’t give any microphonic issues when used on the go or when idle. The accessory set is great and the sound allows for a smooth experience which a heavy emphasis on the low-end, at $20 and if that 24-Month warranty is indeed applicable, it’s a no brainer to be awarded a recommendation.

    More reviews on my site, http://audiorealviews.site/

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