<b>Features: </b><br /> <ul> <li>Attractive Die cast Metal Housing </li> <li>Custom tuned 6mm micro dynamic driver </li> <li>Balanced Sound signature with a hint of warmth </li> <li>4 core silver plated copper braided cable </li> <li>Can be worn...

Alpha & Delta D3

  • Features:
    • Attractive Die cast Metal Housing
    • Custom tuned 6mm micro dynamic driver
    • Balanced Sound signature with a hint of warmth
    • 4 core silver plated copper braided cable
    • Can be worn straight down and over the ears
    • Driver Unit: 6 mm micro dynamic driver
    • Impedance: 16 ohm
    • Rated Power: 1mW
    • Frequency Response: 10Hz-20 kHz
    • Speaker Sensitivity: 92+/- db/mW
    • Cord Length: 1.2m silver plated copper cable
    • Plug: 3.5mm
    • 1 pair of ear guides
    • 1 shirt clip
    • 1 pair of foam tips
    • 1 pair of double flange tips
    • 1 pair of triflange tips
    • 3 pairs of silicon ear tips
    • 1 leather case
    • 1 leather cable wrap

Recent Reviews

  1. B9Scrambler
    Alpha & Delta D3: Micro Boomer
    Written by B9Scrambler
    Published Apr 24, 2018
    Pros - Ergonomic, durable housings - Powerful bass - Great accessories
    Cons - Dry, unnatural treble - Lacking relief at ear pieces

    Today we're checking out Alpha & Delta's entry into the budget micro-driver market, the D3.

    Alpha & Delta (A&D) is the in-house brand of the popular retailer out of Singapore, Lend Me Ur Ears. The brand was launched with a simple but rugged sports earphone, the D2, which was well-received within the portable audio community. That was followed up by the dual dynamic AD01 which warmed the hearts and ears of many. Since then, the brand has expanded further with a number of new products. The JAAP is a fully wireless Bluetooth earphone with competitive specifications like 6 hours of battery life. The audiophile-targeted D6 that I recently reviewed offers up strong performance with great detail and clarity from a fairly neutral tune. Lastly, we have the D3 that we're checking out today.

    The D3 features ergonomic, solid metal shells within which are competent and shockingly powerful 6mm dynamic drivers. Attached is a high quality, silver-plated cable that helps make the D3 look more expensive than it is. It all combines into an attractive little package, so let's take a look at it in greater detail.


    A big thanks Dennis with Alpha & Delta for reaching out to see if I would be interested in reviewing the D3, and for arranging a sample unit. All thoughts within this review are my own and do not represent A&D or any other entity. There was no financial incentive provided. At the time of this review the D3 could be picked up for 35. 52 USD over on Lend Me Ur Ears' site; http://www.lendmeurears.com/alpha-delta-d3/

    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 unique examples of signatures I enjoy.


    For at home use the D3 was powered by a TEAC HA-501 desktop amp or straight out of my Asus FX53V laptop. For portable use it was paired with an LG G5, Walnut V2S, or Shanling M1. The D3 sounded fine through a cell phone but I found it most pleasant paired with a neutral to warmer source. And in typical micro-driver fashion, should you choose to amp it, mild benefits could be witnessed in the form of tighter, more controlled bass.

    • Driver unit: 6mm dynamic driver
    • Impedance: 16 ohm
    • Rated power: 1mW
    • Frequency Response: 10 Hz - 20 Khz
    • Speaker Sensitivity: 92 dB/mW
    • Cord Length: 1.2m silver plated copper cable
    • Plug: 3.5 mm
    DSC03211.JPG DSC03212.JPG DSC03189.JPG

    Packaging and Accessories:

    The D3's packaging is pretty simple with a light to dark grey gradient in effect as you move down and to the left across the package. Laid over top is the usual image of the earphone, branding, and basic feature list that is commonly placed on consumer friendly packages like this. On the rear is another image, this time of the 45 degree angled jack and y-split, and a few additional features outlined via bullet points. There is also mention of the one-year warranty which isn't bad, but not as impressive as the three years backing the D6. Special mention to the images of the earphone which are quite pixelated and low resolution. But whatever, it's a box. What's inside is what matters, and it's plentiful. Inside you will find;
    • D3 earphones
    • Leather case
    • Leather cable strap
    • 1 pair of ear guides
    • 1 pair of foam tips
    • 1 pair of dual-flange tips (pre-installed)
    • 1 pair of triple-flange tips
    • 3 pairs of single-flange tips
    • 1 shirt clip
    The inclusion of the leather case (same one included with the D6) was extremely nice to see with an earphone in this price range. It is of excellent quality and much nicer than the generic clam shell cases you get with most earphones, including the 800 USD HiFiMan RE800. The included tips are nothing unique to the D3 and in my experiences over the years are durable and should work well enough to avoid the need to replace them anytime soon.

    DSC03217.JPG DSC03219.JPG DSC03202.JPG

    Build, Comfort, and Isolation:

    The D3's die cast metal shells are durable with good fit and finish. Seams between the two halves of the shells are clearly visible but still fairly tight. The nozzle lips take on a very odd shape being that they are angled; not something I've seen before. It does make installing some tips a bit of a challenge, but once on they are very secure. Strain relief leading out of the housing is reduced to a little rubber nub, too stiff to provide any real support for the cable. Not a huge issue given the quality of the attached cable.

    It is a silver-plated and tightly braided cable that is a touch on the stiff side with some memory. Strain relief is fantastic at the 45 degree angled jack and y-split, and you even get a handy little chin cinch to tighten up fitment for exercise or more general use. Cable noise is present but pleasantly restrained. Despite the tough sheath and slight stiffness, this cable has no issues staying securely behind the ear if you choose to wear the D3 cable up. Overall thickness is good below the y-split, slimming significantly above. I found that after a couple weeks the thinnest sections developed a waviness to them that prevents the cable from fully straightening. Annoying, but hardly a deal breaker.

    Comfort is fantastic given the D3's highly ergonomic shape. The light curves allow them to fit equally well cable up or down since they always seem to conform to the shape of your outer ear. It's a very subtle design queue that not only looks attractive, but is functional too. Given the curves and lack of defined edges, the D3 does not cause any hot spots or discomfort.

    Passive noise attenuation is pretty great too, despite these being a vented dynamic driver earphone. The dense metal shells and ear hugging fit do a great job of preventing external noise from bleeding in. If you're someone that likes to wear earphones at the gym or while studying in noisy areas, the D3 would do the trick.

    DSC03197.JPG DSC03198.JPG DSC03199.JPG


    Tips: I didn't find the D3 particularly sensitive to tip style, yet found the stock bi-flange tips the most pleasant pairing. With the single flange and foams, treble was coming through a bit grainy and unnatural. Same with third party tips. The included bi-flange seemed to mitigate this for the most part and smooth the D3 out. Your experiences may vary of course.

    The D3 has a stereotypically fun *gasp, the word fun in an earphone review, unsubbed* signature with highly elevated bass, treble, and a crisp yet coherent midrange that isn't overshadowed by all that low end grunt. This is a pretty common tune for earphones in the ~35 USD price range they play in, but few do it with quite the level of control.

    Treble on the D3 is elevated with a strong, well-spaced and airy presence. It has a somewhat dry presentation which gives them a mildly dull and unnatural feel. Cymbals and other effects sounds off, lacking the shimmer you would expect, pretty easy to hear while listening through Supertramp's “Crime of the Century” album front ot back. Overall detail and clarity is good though with lots of information on tap. Decay is quick enough. It's a decent presentation that you get used to after a while.

    The D3's mid-range fares much better. Despite being a very bassy earphone. I found there was very little bleed into the lower mids. The well placed mid-bass hump and enthusiastic lower treble really help lift up the vocals and overall mid-range clarity keeping it crisp and intelligible. Some of the dryness present in the upper ranges is found here too but instead gives the D3 some extra character. On Aesop Rock's “Shere Khan” both him and the female guest vocalist are equally engaging and charismatic.

    Bass on the D3 is its sweet spot, even if it doesn't extend as far as it's brashness would imply. This is very evident when listening to Kavinsky's “Solli” where the comparatively bass light Kinera SEED clearly hits the opening notes with greater depth and sub-bass presence. Still, the mid-bass is punchy and quick with tons of slam and shines on drum and bass tracks like Calyx and TeeBee's “Scaramanga”. Texture is also fantastic with the D3 able to pull off some seriously grungy and layered bass lines.

    The D3's airy upper ranges give it a spacious presentation free of congestion. It's staging is fairly even and rounded off with well-defined edges. It lacks the width of some other similarly priced micro-dynamics like JVC's HA-FXH30 of the Final Audio E2000, but at least against the JVC does a better job with depth. Layering and separation are also quite good, easily handling King crimson's erratic jazz improv fairly easily.

    DSC03208.JPG DSC03209.JPG DSC03215.JPG

    Select Comparisons:

    Brainwavz Jive (28.00 USD): The Jive is a very traditional earphone with a straightforward barrel-style metal shell, a familiar rubber sheathed cable, a handy 3-button remote. It looks very simple beside the D3 and lacks the flash of their chrome housings and braided silver-plated cable. Overall build quality and fit and finish is comparable, though the D3's cable feels more durable. While the D3's curves hug my ear perfectly, regardless of whether I'm wearing them cable up or down, the Jive's simple shape is just as comfortable, though not as stable since they stick out further.

    Whereas the D3's signature places emphasis on the low end, the Jive's bass is much more reserved lacking the impact, depth, texture, and focused control of the D3. It is much more neutral leaning than Alpha & Delta's budget earphone and engages the listener in other ways. Such as the mid-range which is slightly more forward, thicker, and more natural sounding without the dryness present in the D3's vocals. Treble of the Jive is similarly elevated but tighter and with more shimmer and sparkle giving cymbals and instruments a more realistic tonality. Overall detail and clarity is quite good across both. Sound stage across the two was nigh identical with the D3 showing more varied nuance in channel to channel panning. Despite it's bassier signature, I found it equally as impressive in terms of layering and separation.

    DZAT DT-05 (~30.00 USD): The DT-05 is a dual-dynamic earphone with a very unique and eye catching design that tops the D3's which is still unique and interesting in it's own right. In terms of build quality the metal shells and braided cable of the D3 take the cake. The DT-05 looks and feels nice, but lacks the solidity of the D3. Comfort is pretty much a wash for me with both being exceptionally comfortable. The D3's smaller profile and ease of wear cable up or done should make it the more universal of the two since the DT-05 goes cable up only thanks to the shape and preformed ear guides.

    Sound profiles are in the same vein with both having a somewhat dry, bass heavy sound. The D3 has a thinner presentation which really helps take it's clarity to another level especially through the mid-range. Neither offer much in the treble regions with the D3's lower lift once again helping with coherence and clarity. Heading into the low end the DT-05 hits the low notes with more authority but lacks the texture and control of the D3. Sound stage is similar in size with the D3's leaner presentation giving it a clear edge in imaging accuracy, layering, and separation.

    TFZ Series 2 (45.00 USD): The Series 2 uses the same large, over ear only shells found on numerous other TFZ products and is more than twice the size of the compact D3. It's all-plastic shells certainly lack the panache and visual appeal of the D3's chromed metal shells, at least to me. They definitely feel like the cheap product, but they're not. In the Series 2's favor is the removable 2-pin, silver-plated cable which is more plush, flexible, and free of memory than the D3's. The D3's cable over time has developed a wavy pattern above the y-split that prevents the cable from ever fully straightening, something TFZ's cable does not do.,

    In terms of sound the Series 2 certainly doesn't lack bass but it's toned down compared to the D3, putting more focus on the mid-range and treble. In terms of clarity, detail, and overall control, you really see where the TFZ earns the extra dollars. It has a much larger and more spacious sound stage with improved layering, separation, and more accurate imaging. Tonality, especially in the treble, is more realistic too, though the brighter presentation is not without fault making the TFZ the more fatiguing of the two. Cymbals hit with significantly more vibrancy which will be too much for some.

    Final Thoughts:

    Alpha & Delta are doing a good job of bringing to the market high value products, evident through earphones like the D3. While it's treble could be improved upon, the rest of the package more than makes up for it. Punchy bass and crisp mids packed within a very ergonomically sound and visually attractive metal shell makes them a pleasure to use. Extras such as the leather case and cable strap are not only useful, but of higher quality than what you get with competing brands and add to the premium air the D3 gives off.

    If you're in the market for an affordable, tiny, attractive, durable, and bassy in-ear, give the D3 a shot. You might be surprised at what a well-tuned micro-dynamic can do.

    Thanks for reading!

    - B9Scrambler

    ***** ***** ***** ***** *****

    Some Test Tunes:

    Aesop Rock - Skelethon (Album)
    Daft Punk - Random Access Memories (Album)
    Elton John - Yellow Golden Brick Road (Album)
    King Crimson - Lark's Tongues in Aspic (Album)
    King Crimson - Starless and Bible Black (Track)
    Supertramp - Crime of the Century (Album)
    Infected Mushroom - Converting Vegetarians (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 Bone) (Album)


    1. up-down.jpg
      batduck8 likes this.
  2. Cinder
    An Absolute Steal!
    Written by Cinder
    Published Mar 6, 2018
    Pros - Excellent build quality, great price-to-performance ratio, good warranty, great accessories, top-notch bass response, pleasing midrange tonality
    Cons - Some dropped details, minor treble roll-off
    Alpha and Delta D3: An Absolute Steal!
    Alpha and Delta is a Singapore-based company run by audiophiles. They have been designing and selling IEMs for a good amount of time now, with their bread and butter being durability. They’ve consistently released IEMs that outlast their competitors, and this year they have decided to up the ante and release a budget IEM that outclasses many more expensive products in terms of build-quality and style. But does this aggressive bet pay off in creating a compelling purchase?

    You can find the D3 for sale here, for $30, on Alpha and Delta’s official web-store. As of writing it has been discounted to $28.

    Disclaimer: This unit was provided to me free of charge for review purposes. These words reflect my true, unaltered, opinion about the product.

    Preference and Bias: Before reading a review, it is worth mentioning that there is no way for a reviewer to objectively pass judgment on the enjoyability of a product: such a thing is inherently subjective. Therefore, I find it necessary for you to read and understand what I take a natural liking to and how that might affect my rating of a product.

    My ideal sound signature would be an extended sub-bass with a leveled, but textured, mid-bass. The mids should be slightly less pronounced than the treble, but still ahead of the bass. I prefer a more bright upper range.

    Source: The D3 was powered like so:

    HTC U11 -> USB-C adapter -> earphones


    Hidizs AP100 3.5mm out -> FiiO A5 3.5mm out -> earphones


    HiFiMAN SuperMini -> earphones


    PC optical out -> HiFiMe SPDIF 9018 Sabre DAC 3.5mm out -> earphones

    All music was served as MP3 @320Kbps or as FLAC.

    Sound Signature
    Initial Impressions:

    The D3 features a fairly warm sound signature. It has a notable mid-bass with a surprising level of sub-bass presence which naturally results in a recessed midrange. I’d wager that the D3 is aiming squarely at the sub-$50 basshead market.

    Treble: Songs used: In One Ear, Midnight City, Outlands, Satisfy

    Treble is articulate and inoffensive. It handily outperforms its price-bracketed peers that share a similar sound signature and provides a natural and even timbre to the high-range of my test songs.

    The D3’s treble brings out a good amount of background details too. The high hats in the background of In One Ear were audible throughout the entire song as was the top end of the crunch of the rhythm guitar.

    The upper end of the D3 was free from sharpness or sibilance. I could listen to any and every song in my collection without any concern of discomfort. Even Satisfy was a pleasure to listen to.

    Mids: Songs used: Flagpole Sitta, Jacked Up, I Am The Highway, Dreams

    Midrange separation, on an absolute level, is average. As a result, the number of concurrent instruments that are clearly articulated isn’t too high. This is a product of a combination of factors: the aggressive nature of the mid-bass and the budget quality of the D3’s driver.

    That said, I found timbre and tonality to be quite good, if not a bit warm. Guitars sound great, particularly in rock-related genres, as do drums and bass guitars. The additional presence of the lower-midrange also helps fatten up some lazily mastered songs/songs that were mastered in a “neutral” style.

    Vocals are pushed forwards by 2dB–4dB lending them some much-needed separation from the rest of the instrumentation. This additional emphasis also gives the vocals a small amount more of intelligibility.

    The midrange has a health attack and decay too. There’s no clipping nor distortion from resonance.

    Bass: Songs used: Moth, Gold Dust, In For The Kill (Skream Remix), War Pigs (Celldweller Remix)

    The D3’s bread-and-butter is its bass. By all meters at this price point, the D3’s bass is top-notch. It is quick and impactful, making excellent use of a mid-bass hump. The D3 also serves a quite generous helping of midbass that gives it a classic dynamic-driver rumble. Bass-heads will be unequivocally pleased by the D3’s bass response and bass signature.

    Packaging / Unboxing
    The D3’s packaging is small, simple, and economical. It is simply a cardboard box with a plastic tray inside it. Nothing fancy.

    Construction Quality

    Alpha and Delta are quickly warming up to become my favorite IEM builders. The D3 is the second product I’ve received from them that implements extremely impressive construction techniques and makes use of high-quality materials that are often times only found on products many times its price.

    The shells of the D3 are made from die-cast metal and coated with a reflective gun-metal coating. The shell is built from three individual pieces and is sealed quite well. It has no panel gaps anywhere on its build.

    The cable is similarly impressive. At this price point, you seldom find quality rubber cables, let alone a braided SPC cable! There’s also no visible compromises on the assembly either; the stress relief on the Y-splitter is built from a single piece of plastic and does a really good job dispersing force.

    The cable is terminated with a 3.5mm jack housed in plastic. It too has a good amount of stress relief, though mechanically the 45-degree angle plug is the least likely plug to survive drops and hits. That said, since this particular permutation of it is actually quite well made I’d say you won’t ever run into those issues outside of some extreme situations.


    The D3’s shells are very small, and as such, quite ergonomic. They are worn over-ear and provide a medium-depth seal. I find that they work well with my ears using the included double-flanged eartips and my seal is phenomenal. I experience no fatigue or discomfort after some very long listening sessions or while listening during a nap.

    The D3 is very well equipped for a product that’s so cheap. Inside the box you will find:

    • 1x pair of double-flanged eartips
    • 1x pair of foam eartips
    • 3x pairs of silicone eartips
    • 1x shirt clip
    • 1x leather cable wrap
    • 1x leather carrying pouch
    • 1x silicone earguide
    I am very impressed with the D3’s selection of accessories. Not only are the eartips included varied and high-quality, but they come alongside the same leather case and cable-wrap that come with the far-more-expensive D6.

    The D3 is an absolute steal. For such a tiny amount of money, you get a bass cannon that still articulates itself decently, a rarity in even the audiophile market. The D3’s solid build quality, good warranty, great accessory package, and alluring visual design solidify it as one of my favorite budget IEMs, and certainly my favorite IEM at this price-point. If you’re a bass-head with an extra $30 to drop, I heavily recommend you check out the D3. It’s a winner all around.
    1. H T T
      I have been more than impressed with the D6. The D3 sure seems to be a steal. I should have picked one up when Alpha and Delta had their Chinese New Year sale.
      H T T, Mar 8, 2018
      Cinder likes this.
    2. Cinder
      The D3 is the Yang to the D6's Ying.
      Cinder, Mar 8, 2018
      H T T likes this.
  3. audio123
    Alpha & Delta D3 - Warm & Smooth
    Written by audio123
    Published Feb 28, 2018
    Pros - Warmth, Laid-Back, Build Quality
    Cons - Lack of Crisp

    Alpha & Delta is a Singapore brand that features a lineup consisting of AD01, D2, D6 and JAAP that targets different users. Their latest addition is the D3. I would like to thank Lend Me Ur Ears for this opportunity to review their latest iem, Alpha & Delta D3. At the moment, you can purchase the D3 from http://www.lendmeurears.com/alpha-delta-d3/ .


    • Driver Configuration: 6mm micro dynamic driver
    • Impedance: 16 ohm
    • Rated Power: 1mW
    • Frequency Response: 10 Hz – 20 kHz
    • Sensitivity: 92dB/mW
    Unboxing & Accessories

    The D3 comes in a grey package that sports the brand logo, model name, description and image of the iem. There are specifications at the back of the package. After opening the package, there are instruction manual, ear guides, shirt clip, pack of tips and a leather carrying pouch which contains the D3 iem with a leather cable wrap.



    IEM Build & Design

    The D3 is small in size and its shell is gun-metal in colour. On each side of the iem, there is the brand logo printed at the back. The nozzle is slightly angled with metal mesh for earwax prevention. It has an ergonomic design and I am able to fit it in my ears comfortably. In addition, it has no detachable cable. The D3 has a nice construction with good build quality.




    Cable Build & Design

    The cable is 4 core braided and there is strain relief on each side. On the strain relief, there is a L & R marking on the left and right side respectively. There is no memory wire area. The chin slider and y-splitter are black in colour. There is strain relief. Lastly, the jack is 3.5mm 45 degrees angled gold plated. The housing is black in colour and there is strain relief.


    Sound Analysis


    The D3 has moderate sub-bass quantity and it is extended decently. The sub-bass reproduction is not very authoritative but instead, it operates in a smooth and unoffensive manner. The rumble and bass decay are modest. Each bass note is articulated with moderate precision. There is a weighted mid-bass slam to provide impact to the overall sound. The bass definition is moderate.


    The midrange on the D3 is conservative. There is a moderate quantity to the midrange. There is a decent transparency to it and at times, it may sound slightly congested when tackling busier tracks. The lower mids has a nice amount to it and male vocals are presented well. The upper mids is not very forward and it limits the expression of female vocals. There is a lack of crisp. Resolution on the D3 is moderate and the midrange takes on a less exciting manner.


    The treble is extended decently with a good control. It showcases a moderate level of finesse and there is no sibilance and harshness. The treble is presented smoothly. The level of details retrieval is good. The amount of air rendered is decent and congestion can occur at times.


    The D3 has a decent width in its stage and the depth is slightly closed in. The overall expansion is rather natural. Positioning of instruments and vocals is fairly accurate.



    Alpha & Delta D3 vs Earnine EN120

    The D3 has more sub-bass quantity than the EN120 with a greater extension. It is able to stretch further. The sub-bass reproduction on the D3 has a higher engagement level. The D3 has similar speed as the EN120. Rumble and bass decay operate on the same standard. The mid-bass slam on the D3 has a more weighted feel than the EN120 which helps to deliver a greater impact. Bass texture on both is moderately smooth. The lower mids on the D3 has slightly more quantity than the EN120 and male vocals do not sound dry. The upper mids on the EN120 has more forwardness than the D3 which benefits female vocals. Next, for the treble section, both have similar extension and operates in a smooth manner. Treble is slightly brighter on the EN120. The articulation on the D3 is more precise. Details retrieval on both is moderate. The amount of air rendered on the both is very similar. In terms of soundstage, the D3 has a wider magnitude while the EN120 has an added depth.

    Alpha & Delta D3 vs TFZ Series 2

    The D3 has more sub-bass quantity than the Series 2 but the Series 2 is able to extend better. The rumble on the Series 2 is slightly quicker. Bass decay on the Series 2 has more pace. The mid-bass quantity on the D3 has a greater amount which helps to emphasize the slam better. The D3 demonstrates a smoother bass texture. The mid-bass quantity on the D3 is slightly more and contributes to a greater slam. The lower mids on the D3 has more body than the Series 2. Male vocals are expressed well without sounding hollow. The upper mids on the Series 2 is more forward with crisp. Next, for the treble section, the Series 2 has slightly more air. D3 presents it more smoothly. In terms of soundstage, the D3 expands naturally. The width is similar and Series 2 has the better depth.

    Alpha & Delta D3 vs Alpha & Delta D2

    The D2 has more sub-bass quantity than the D3. The D3 is able to extend better with a more defined sub-bass reproduction. Each bass note on the D3 is articulated with precision. Bass decay on the D3 is quicker with more agility. The bass texture on both is similar. The mid-bass quantity on the D2 has more amount and the slam has a heavy weight. The D3 sounds musical as the mid-bass is moderately presented. The lower mids on the D3 has more quantity than the D2 while the upper mids on both is not very forward. In terms of treble, the D3 has a smoother top end and the amount of air rendered is slightly more. Lastly, in terms of soundstage, the D3 has better width and depth.


    The D3 is a balanced sounding iem with a nice tinge of warmth. It is able to display good bass texture but does not fare as well for its treble. There is a great overall smoothness and it is fatigue-free. In addition, it comes with a nice braided cable and the iem is constructed well. The D3 looks great and brings with it a smooth sound.


    For more reviews, visit https://audio123blog.wordpress.com/ .
      H T T and Moonstar like this.


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