HiFiGo DUNU x Gizaudio Da Vinci IEMs 2DD+4BA, Dual Dynamic and 4 Balanced Armature Drivers Hybrid in-Ear Earphones HiFi with 5-Way Frequency Crossover (Da Vinci)

The tuning on this set is excellent. It's got a moderately high amount of bass, including quite a lot of mid bass. It follows the new meta tuning so for most people the upper mids and treble will sound more natural, especially when it comes to vocals. Keep in mind your head/ear and upper torso shape has a very significant effect on how you hear sound. IEMs go straight into your ear canal so they have to be tuned to emulate what your body normally does to external sound before it hits your ear drum. This tuning should sound neutral(aside from the elevated bass) to most people but some people may be outliers. Personally I prefer the Davinci over Dunu's pricier models, including the Glacier and SA6 MK1/Ultra/MK2The shell design is not my favorite. It's moderately sized in profile but it's thick and without much contouring. With this shell shape the included tips are not the best fit for me. For my ears I found that azla sednaearfit origins tips gave me the best comfort but beware they are kind of expensive. They are pretty long tips which helps because the shell shape doesn't allow for a deep insertion for me. The faceplate appearance varies quite a lot because it is made of stabilized wood and mine didn't end up looking that great. My favorite part of the shell however, is the recessed 2 pin connector. It leaves almost zero wiggle room for the connector so there's little risk of damaging the connector with lateral force. I sometimes sleep with these and with a soft pillow or ergonomic pillow they're comfy even when sleeping on my side.The included accessories are great. I'm sure for others the included tips may work well. The cable is very high quality for the price and come with swappable terminations that screw into place with a threaded collar. Not quite as good as their higher end cables with their q-lock plus terminations but it's much better than most other brands' friction fit terminations that can get loose and slide off.

I really liked (no longer have) the Da Vinci. The dynamic range is good. The frequency response is good - particularly for EDM. What's most surprising about the Da Vinci is the midrange - very good meta tuning even with the large bass shelf. There's two weak points however - the first is the treble as it's muted. This can be fixed (for the most part) with EQ but the second can't - the fit. For me, it's gets uncomfortable after a while - that's individual so check it. This is a very listenable IEM that is a great example of meta tuning while also providing a little more energy in the bass region with excellent midrange. If the fit issue didn't affect me so much, it would still be in my collection as it's more fun than my my Hype 4's.

I have a background in music and audio and have owned lots of other IEMs and headphones ranging in price from $20 up to $1000+. I also own a pair of Dunu Talos which is a planar IEM that I liked a fair bit, but required lots of equalization to bring out the best sound (previously, their best known IEM was the Titan S). I am normally the type to apply a parametric EQ to every piece of audio gear that I use. When on-the-go using an iPhone, I pair this with a Qudelix 5K, and when on PC, I achieve this with Equalizer APO and Peace.In the past year or so, there has been a lot of talk about the new B&K 5128 headphone/IEM measuring rig which is supposed to be a more accurate target when compared to the Harman target curve (which in comparison to the 5128 lacks lower mid-range) that many IEMs followed. This includes the famous Moondrop Blessing2:Dusk that I have used for many years and was the de facto recommendation for a long time, but was looking to upgrade to something newer at the ~$300 price point. The Dunu DaVinci was one of the first sets to lift this lower mid-range.Firstly and as always, it is important to ensure you use good tips for a secure fit. I use Spinfit CP145 at home for quick/easy removal, and Comply T-600 foam tips when on-the-go for sound isolation. This is definitely not a neutral IEM, and I would describe it as U-shaped.So how does it sound?The Dunu DaVinci is the only IEM I own today that I would be mostly OK using without EQ. Some may say that the bass is excessive, but my preference is actually to add a bit more sub-bass on top while still avoiding the muddiness/boominess that can occur when too much sub-bass and bass are added. After lots of experimenting, I use a -0.4db/Oct tilt with +16dB bass for IEMs (+12dB as an EQ option for less slam and wider soundstage), but you can generate your own PEQ settings on Crinacle's In-Ear Fidelity site via the Graph Hangout page. The low frequency quality is quite good given the dual dynamic drivers for bass and sub-bass. The mids are natural sounding and largely follow the JM-1 compliance target from 150Hz - 2kHz which is pretty solid, while the treble (still very good) is arguably the weakest part of the sonic signature.Are there other great-sounding IEMs that go for <$300 today? Sure, lots. But all of them sound colored and unnatural in comparison and are almost always lacking adequate bass. Out of the box, the Dunu DaVinci is my new favorite pair of IEMs at any given price point.

I returned the IEM due to fitment issues. The value for money is excellent based on modular two pin cable, carrying case and IEM tips. Sub-bass is excellent while bass is ok…a bit flat and muddy. I absolutely loved the mid frequency range and high frequencies are not excessively bright, which I very much appreciate as I am sensitive to sibilance. The value for money is good when considering the product in entirety.

For context, I work full-time as a music minister, so the value of these IEMs is especially great for my use case. I have been using a set of budget single-driver IEMs for the past 3 years and decided it was time for an upgrade. These possess some of the most crystal-clear audio I've had the pleasure of listening to, and they have become helpful for discerning adjustments I need to make vocally to be a more effective lead vocalist on Sundays. The price is definitely steep, but the value matches it.

Bought a new product as a birthday gift. It came with the box unsealed, both bags of eartips unsealed and used, earwax in the case, and bent pins on the cable. I would rate 0 stars if I could. Awful experience.

Great ones. Clear with great bass