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Description
Punch Audio Martilo IEM – Planar + BA + DD Hybrid Hi-Fi Basshead Earphones
The Punch Audio Martilo IEM is a powerhouse designed for audiophiles and bass lovers alike. With its unique 5-driver hybrid setup—featuring 1 planar driver, 2 Knowles balanced armatures, and 2 dynamic drivers—the Martilo delivers deep immersive bass, crystal-clear mids, and ultra-detailed treble for a truly high-fidelity experience.
Pure Bass Mania
If you’re a basshead, the Martilo is built for you. With a 14±1dB sub-bass shelf, it delivers thunderous low-end impact and punchy kickbass that you can feel. Thanks to its carefully engineered 200Hz crossover, bass notes remain tight, textured, and controlled—avoiding any muddiness or bloat.
Planar Precision & Detail Retrieval
Equipped with a custom planar magnetic driver, the Martilo reproduces treble frequencies with speed, resolution, and airiness that standard drivers can’t match. This ensures incredible micro-detail retrieval, extended treble sparkle, and a wide sense of space for an immersive listening experience.
Studio-Grade Accuracy
The dual Knowles RDE balanced armature drivers ensure a natural, distortion-free midrange with lifelike timbre and tonal accuracy. Vocals and instruments sound true-to-life, making the Martilo a perfect choice for both critical listening and pure musical enjoyment.
Tonal Balance with Extra Bass
Despite its powerful low-end, the Martilo maintains a balanced sound signature using a three-way crossover network and independent sound tubes. The mids stay clean and natural, while the treble offers smooth articulation and effortless detail—creating a harmonious blend of warmth and precision.
Handcrafted Excellence
Each Martilo is hand-assembled with precision, ensuring top-tier craftsmanship and durability. Every driver is carefully matched for consistent performance, reflecting Punch Audio’s dedication to premium-quality earphones built to last.
Custom Interchangeable Cable
The Martilo comes with a detachable 0.78mm 2-pin cable system, giving you the flexibility to upgrade or swap cables based on your preference—whether for balanced outputs, portable setups, or custom aesthetics.
Technical Specifications
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Drivers: 1 planar + 2 Knowles BA + 2 dynamic drivers (8mm)
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Impedance: 9Ω @ 1kHz (±1.5Ω)
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Sensitivity: 100dB @ 1kHz (±1dB)
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Frequency Response: 10Hz – 22kHz
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Crossover: Passive 3-way with independent sound tubes
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Connector: Detachable 0.78mm 2-pin cable
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Customers praised these IEMs for delivering "deep, physical sub-bass rumble" that "stays clean and super fast" without becoming muddy. Reviewers noted vocals remain "clear and upfront" with good separation. Some found mids slightly recessed compared to higher-end models, and one mentioned stock eartips could be more comfortable. Overall, customers said it's "masterfully tuned" for fun listening.
- It literally shakes my eardrums. Deep, physical sub-bass rumble, not muddy or boomy.
- Bass goes really deep with that rumble. Doesn't spill everywhere and spoil the rest.
- Bass is clean and crisp. Bass knows when to punch and when to calm.
After my first pair, the Oriveti OD200 (which I loved!), I grabbed the Martilo as my second set, and wow, I finally get what people mean by basshead. Guys, these are unreal. If you listen to music that's supposed to really H-I-T, this is the one for you.
Sound Breakdown
The Bass is the star: It literally shakes my eardrums. We're talking deep, physical sub-bass rumble, not the muddy, boomy kind. It feels like having a huge subwoofer in your head. It hits hard but stays clean and super fast, which is critical.
Mids are surprisingly clear: I was worried the bass would swallow up the vocals (Mids), but they stay right up front. My favorite singers sound crisp! You get great separation, letting you pick out instruments even when the bass is going crazy.
Treble is sparkly and quick: I think the planar driver is what makes the high notes (Treble) sound so detailed. It adds enough "air" to the sound and keeps the whole picture from feeling dark.
The design is awesome, they look like cracked lava rock, and they are pretty comfortable even though they look a bit chunky.
Only 1 downside for me was the eartips, it could be more comfortable given the price tag of this IEMs. I'm using stock eartips of my another IEMs (Oriveti OD 200) which is surprisingly comfortable.
Final Takeaway
If you are moving up from entry-level and want to know what truly clean, hard-hitting bass sounds like, get these. It’s an easy, near-endgame fun set for people who love bass-heavy genres like EDM and Hip-Hop. Go listen to them!
Although termed as Basshead, it's clean and crisp. Bass knows when to punch and when to calm. Upgrading from Juzear Defiant which is itself a great allrounder to its price. Thoroughly enjoying the Martilo. Finally great service by TAS. Looking forward for more.
Basically it is a bass-heavy set, but don't worry, not the bad kind. The bass goes really deep and you can actually feel that rumble, especially in rap and EDM tracks. But the good thing is it stays in its place only, doesn't spill everywhere and spoil the rest. Even in heavy bass songs it never becomes muddy or boomy. This part itself many "fun" IEMs fail to do.
Vocals are also nice and clear, they come forward properly and don't get buried under the bass. Honestly I was not expecting this much.
Treble side also smooth only. Cymbals and all sound clean, not at all sharp or paining the ears. Nothing feels cut or dull.
Overall it is slightly on the warmer side but still sounds quite balanced for a bass set. One small thing, sometimes there is a slight metallic feel in the sound. And if you are a hardcore basshead who wants over the top bass, then this may feel a bit too decent for you.
For the price it is solid value. Definitely worth it.
Good and deep bass and mid bass.. Mid bass a bit recessed but still full to enjoy gor bassheads. I find the mids a bit recessed and not that fuller compared to other IEMs I have. For example Dunu Davinci and Campfire Solaris 2020 have a wider soundstage. However this doesn’t take away any fun from the Martilo which are unique and an excellent addition to my collection. You need a good single DAC to drive these out of your phone
Fucking amazing set of IEMs. Never dropped a review before but man, these are just amazing. These are not just bass, it’s the correct amount of bass for a fun listening experience with today’s music. Music is supposed to be fun, not flat and boring and technical. These are masterfully tuned. Fast shipping from TAS. Great packaging.
I purchased it solely to experience how bass head sound signature feel.
Most other bass-rich iems either are low quality sound producing or too costly.
This one you get nice bass heavy sound without compromising other aspects of sound.
Must try if you want quality base.
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The bass is so powerful, it feels like listening to a mini subwoofer! Really enjoyable sound and great value for the price.
Using it with Fir audio kr5 and now I'm not getting crackling sound i was getting with cayin ru7, very happy with this amp dac.
Good Product, relaxes muscles and relieves tension effectively. It is compact, easy to use, and highly recommended for quick pain relief.
The TANCHJIM Bunny Type-C DSP Plug with Mic IEM offers clear sound quality, good detail, and a comfortable fit. The USB-C connection is convenient, and the microphone is useful for calls and everyday gaming. The audio is enjoyable for music and helps with hearing footsteps and in-game details in Valorant. Overall, it’s a good choice for someone looking for a compact, wired IEM with a built-in microphone and a Type-C connection.
I have been using these for about 12 days, and that is 3.5mm with mic.
Look and feel:
In this price range this is the best looking iem with premium silver plated cable and unibody metal housing.
Build:
I don’t have any issue with build here cause as I have already told that earbuds itself has metal housing and also even 3.5mm jack is metal.
Cable looks fine to me, and i don’t Think that the cable will go anywhere for at-least 2 years.
The only thing is that the cable tangles a lot and it is evident by looking at the type of the cable.
SOUND:
I will not waste your time with the things you already know anymore…
Sound here is quite spacious with good soundstage. Since i myself is not a gamer i can’t tell about gaming but in music department sound is crystal clear and detailed with sharp highs and it lacks the thumpy base that some of you won’t like.
Now the thing is i have mixed opinion about these iems.
Sometimes i like it and sometimes I don’t…cause it lacks punchy base but has sparky treble that can irritate your ears if you pair them with a dac that is already focused on treble like audiocular spark.
But when i pair them in ipad 3.5mm jack these sounds better with great details and base.
After searching heavily on internet I found that this one should be better paired with AUDIOCULAR NOTE-S, since NOTE-S has hardware level EQ, i can tone down the sharp treble a bit and increase the low end slightly to get more base with the help of audiocular app.
So imo if you have these iem then pair them with audiocular NOTE-S and that is highly recommended from my side.
Thankyou.
It is one of the best budget dac if you want sparky and clean treble, though it does not have any kind of equaliser cause it is just normal plug and play type dac.
If your earphones lack in treble section then go for it.
But if your earphone have high treble already then believe me you will not like these.
I have cca pheonix that is already a treble heavy iem and after pairing them with spark it is producing even more treble, and that is very sharp.
So in my opinion go for audiocular NOTE or NOTE-S, cause Note-S has hardware level equaliser that decreases the treble frequency.
I have Soundcore Q20i headphones and spark works great with them cause it add those extra sparky treble that Q20i lacks, and base is also good.
Best iem and looks stunning.
Service is also good and fast.
Enjoying my first iem very much.
Perfectly distribute base and treble and the vocal smoothly spread to your ear . One of the best low budget deck for Music lovers.
Kefine klen sv is clean and awesome
Honestly this is my 1st iem
And This sound blow my mind 💀🔥
Kz duonic iem nice sound
This website geniune
I just received my Cozoy D2 and wanted to drop some quick impressions on the unboxing experience and included accessories before I sit down for proper listening sessions.
* Packaging: The IEMs arrive in a sleek, professional black presentation box with dense foam cutouts that keep the earpieces perfectly secure.
* Design & Build: The earpieces look stunning in person. The dark, marbled faceplates give them a premium, custom-like aesthetic with the Cozoy logo cleanly integrated into the design.
* Cable: It includes a high-quality, thickly braided black cable. It feels durable, features standard 2-pin connectors (clearly marked with 'L' and 'R'), and has a solid metal termination housing.
* Included Accessories: The package includes a neat grey Cozoy-branded carrying pouch for safe storage and an owner's manual. There is also a dedicated accessories box, which houses the eartips.
Overall, the unboxing experience feels very premium. The build quality of both the shells and the stock cable is top-notch right out of the box.
I'll be hooking these up to my CrinEar Protocol Micro DAC and testing them with offline FLACs on USB Audio Player PRO soon. I will upload a second review detailing the sound signature—specifically how their balanced tuning handles Indian classical, qawwali, and ghazals—once I've put them through their paces.
This is a good🎉 product reliable and very good connectivity with the supported Type-c port and DAC is work perfectly all the time ✨❤️
Their small size is a blessing for me. It's the most comfortable audio device I've ever used and I can't wrap my head around how how good of a fit they are. The sound is also awesome.
Nice iem and sound quality is top notch
