Disclaimer:

Good morning, MBA readers! Today we’re holding the Pula Audio Unicrom, a relatively new and unknown brand. I won’t bore you with their history, which you can easily find on their official website.

Thanks to Hifigo, I finally have the chance to try out this new brand’s latest creation. I can tell you for sure that I’m very surprised by this IEM.

I’m not an audiophile; I’m just a guy who likes to test out different IEMs and DACs and spends a lot of time listening to music.

So, I won’t use overly technical words to review it, but I will do my best to describe it.

Tech Specs:

• Driver type: 10mm Beryllium-Plated Dynamic Driver Unit
• Frequency response: 20 Hz – 20K Hz
• Sensitivity 101 dB +/- 3 dB
• Impedance 32 ohms
• THD: <0,5%
• Plug size: 3.5mm and 4.4mm

Packaging:

For a brand unknown to me, the Pula Audio Unicrom IEM packaging is well-made and pleasantly designed, perhaps vaguely reminiscent of EPZ. The package includes a highly appreciated modular cable and a truly nice hard case. The only downside is that the included eartips aren’t top-quality and need an upgrade.

• Nice Modular Cable
• 6 Pair of eartips (07 type included)
• Hard case 
• Warranty card

Since the price is not particularly low, best eartips should be included in the package.

Design/Build quality:

The Pula Audio Unicrom boasts a very minimal design with familiar shapes. The shells are made of resin, but the front plates are made of solid stabilized maple wood, which, even though it’s internally coated in resin, I like to think contributes to the resulting sound. The dimensions are normal, as is the nozzle, which isn’t abnormally large. The overall build quality is flawless and well-made. There are two ventilation holes as usual, before and after the 10mm beryllium drivers. In a certain sense, these headphones also remind me of something from EPZ or Geekwold.

Initial Sound Impression:

The Pula Audio Unicrom features a natural sound signature with a strong bass and subbass that have a precise presence (with occasional bleeds). They aimed for a very natural tone but with a hint of warmth, and I have to say that what’s surprising is the density and weight they manage to recreate in the notes. I suspect the wooden faceplate plays a role. The sound is particularly satisfying, and I’m honestly surprised by this new brand. They’ve managed to create a balanced and very smooth IEM with some peaks at high volumes, but relatively good in almost all situations. The mids are also extremely pleasant, although perhaps the upper-mids sometimes have some less pleasant peaks, but it really depends on the voice. Although they seem very calm at first glance, they actually love a good power supply, so a good DAC is recommended.

Equipment used for testing:

Device:

• iMac
• Poco M4 Pro

Software:

• Amazon music UHD 24bit 96kHz (Both)

DAC on Balanced:

• Fosi Audio K7
• Creative SoundBlaster X5

Tips Rolling:

For the price, those eartips are now very outdated and certainly don’t allow you to enjoy the maximum quality of the Pula Unicrom. The cable is very passable and functional, but the eartips absolutely deserve an upgrade, even with something cheaper but better. I switched to the Roseselsa Soundcocoon, EPZ M100, and Divinus Wide bore, and then found myself particularly happy with the DUNU S&S, which opens the soundstage tremendously, at least in this case.

Final sound impression:

The Pula Audio Unicrom boasts truly respectable sound performance. Having not tried their other models, I can’t say if it’s any different from their previous ones, but what I hear is a pleasant and not overly peculiar tuning. This IEM was created to be affordable and suitable for a variety of musical genres. From what I’ve been able to test, it doesn’t require any particular amplification, but it’s definitely better to give it a bit more juice. The original EarTips are the 07 type, which aren’t bad, but you can get more out of them by using special EarTips.

The trebles could perhaps convey more transparency and detail, but what’s surprising is how precise the bass is and how well it delivers a strong backing. The kick is very decisive, providing a clear signal throughout the tracks. The mids also have excellent timbre and presence, although I occasionally find the upper mids a bit spicy on some vocals. Overall, for the price, I’m very impressed with their quality.

Treble

More than the trebles, which I find very smooth and controlled, it’s the upper mids that have a few small peaks. The trebles are perfectly tuned and render details very clear and sharp, with excellent rendition of both macro and micro details for a DD. I wouldn’t recommend them to trebleheads, but if you like very smooth IEMs, these are the right place.

Mids

The mids are the real stars of this IEM. They’re front and center, at least to my ears, and are very natural, albeit with a few peaks on certain vocals at high volumes. Aside from that, the naturalness and weight of vocals are reproduced flawlessly. I suspect the wooden insert is aiding the resonance and creating a sound with the most natural emphasis possible. I’m very surprised by this feature, which more expensive IEMs often lack.

Bass

The bass has a nice kick, fast and impactful, and I have to say the sub-bass has a certain emphasis. It’s not the kind of bass I’d recommend to bass lovers, but certainly to those looking for good quality. However, I have to say that depending on the tracks, there’s some bleed in the mids. The subbass is very natural with that warm, woody quality, but who knows if it’s the insert or something else. But the kick is nice and precise, the kind that wakes you up if you’re a bit sleepy, but the quantity isn’t for Bassheads.

Soundstage and Imaging:

By installing the DUNU S&S, you can squeeze the entire soundstage to the max, which was already good, but this is slightly better. The soundstage isn’t too wide or too high, but it’s well-positioned and precise in directionality, and the image is clear and sharp. The Pula Audio Unicrom offers excellent overall quality for the price range. Each sound is precise and well detailed, allowing you to fully enjoy the tracks.

Fast Comparison:

vs Kefine Delci:

The Kefine Delci is one of the first IEMs under $100 that made such an impression on my ears. To this day, it remains an easily recommended entry-level choice because the quality is truly high. The ultra-light CNC-machined alloy shells were also very impressive. A less natural and balanced IEM, but a lot of fun.

vs Hidizs MK10 ArcSonics:

The brand new Hidizs MK10 is priced at $69 and has truly spatial sound, but it’s definitely not as natural and fluid as the Unicroms. Depending on what you’re looking for, one or the other might be better. I like both genres of music I listen to. The Hidizs is perhaps more tolerant of EDM than the Pula Audio Unicroms.

Conclusion:

I believe the Pula Audio Unicrom falls into the mild-V shape, but across the entire spectrum, it’s a truly good product. To tone down the upper midrange a bit (or, better yet, to make vocals more sinuous and less harsh at slightly higher volumes), the S&S DUNU Eartips aren’t suitable; you’ll need something that perhaps helps with other frequencies. The silicone Divinus Wide Bore, for example, already works, although the soundstage loses a few points. I notice this issue at medium-high volumes, but they’re completely perfect at normal volumes.
My advice, however, is to try out several Eartips and find your favorite. At the price they’re offered, they’re truly excellent.

8.7/10

Pros: 

• Nice resin Shell with wood faceplates
• Nice single 10mm DD
• Good, simple packaging
• Good modular cable
• Simple design
• Natural sound with some lush
• Nice natural bass with some extra sub-bass
• Good musicality, details, and layering
• Right amount of treble
• Easy to drive

Cons: 

• Competitors are offering metal shells at this price
• Treble – upper mids can be spicy on some voices at high volume
• Not for bassheads or Trebleheads

More information: