Beryllium V3
$169.00$135.00 USD
Description
Let It Be
Be (Beryllium) is our highest-awarded IEM. It is known as the master-of-all-music, failure-at-none. Our other IEMs may do better in some genres but for all-around excellence, Be is where most end their search. Revealing enough to be a true reference IEM but forgiving enough to use on any source.
Beryllium is among the lowest density stable metals but also has among the highest Young’s modulus values (a ratio of the stiffness) and a very high internal speed of sound.
This results in high efficiency and extremely low distortion as the diaphragm does not bend on its own, moves homogeneously, and dissipates internal energy very well.
This rare combination of performance attributes is what endows the Be IEMs with their freakish ability to compete with the best Beryllium transducer-based headphones on the market, at any price.
Still not sure that this IEM is for you? Then use our amazing Select-A-Tron to guide your IEM choice!
Transducer Diaphragm: Beryllium
Transducer Surround: Bonded PEEK
Transducer Basket: Aluminum
Transducer Magnet: N48H Grade Neodymium
Enclosure Body: Eastman Tritan™
Protective Grille: 316 Stainless Steel
Bonding Compound: Cyanoacrylate Adhesive
Sealant Compound: Polyvinyl Acetate
Mounting Tips: Medical Grade Silicone and Urethanes
All components are finite element analyzed for stress, strain, and durability.
Included Accessories
Single Flange Tips – Small, Medium, Large
Dual Flange Tips – Small, Medium, Large
Memory Foam Tips – Small, Medium, Large
Protective Travel Case
Gold Plated ¼” TRS Adapter Jack
Gold Plated Dual Mono Airplane Adapter
Specifications
| Performance | |
|---|---|
| Frequency Response | 12 Hz to 45 kHz |
| Impedance | 32 Ohms nominal |
| Sensitivity | 100 dB SPL at 1mW in ear |
| Power Handling | 200 mW continuous |
| Peak SPL | 123 dB |
| THD | Less than 1% THD at 1mW |
| Physical Properties | |
|---|---|
| Cable Length | 1.5 m |
| Mass | 2.8 / 9.3 g (IEM/Set) |
| Operational Temperature | -20 to +50° C |
| Operational Humidity | 0-95% Relative Humidity |
| NRR | 31.3 dB (foam eartrip) |
| Overall Length | 21 mm |
| Body Diameter | 12 mm |
| Nozzle Diameter | 6 mm |
| Material Properties | |
|---|---|
| Melting Point | 1560 Kelvin |
| Speed of Sound | 12890 meters per second |
| Young’s Modulus | 287 Gigapascals |
| Brinell Hardness | 1320 Megapascals |
Tritan™ is a trademark of Eastman Chemicals
Additional information
| Weight | 1 oz |
|---|
Description
Let It Be. The One IEM to Rule Them All.
Beryllium V3 isn’t just another earphone—it’s our highest-awarded IEM and the undisputed master-of-all-music, failure-at-none. While our other models may edge it out in ultra-niche genres, Be is where the search ends for most listeners. It’s revealing enough to serve as a true reference monitor, yet forgiving enough to sound magnificent straight from your phone, laptop, or DAP—no amp required.
Why does it dominate? Because we didn’t compromise on the diaphragm material.
Beryllium is sonic rocket science in your ears. Among stable metals, it’s one of the least dense yet boasts one of the highest Young’s modulus (stiffness) and blistering internal speed of sound (12,890 m/s). The result? A 10mm pure-Beryllium driver that moves as one uniform piston with almost zero bending, vanishingly low distortion, and freakishly efficient energy dissipation.
Translation: speed-of-light transients, bass that slams without bloom, mids that breathe like live vocals, and treble that sparkles without ever biting. Layers you didn’t know existed suddenly snap into focus. Recordings gain depth, width, and startling realism.
Clarity you can measure—and feel. Our proprietary driver delivers waterfall plots that are frankly insane. Think of a poor waterfall as blurry vision; a great one as 20/20 hearing. Be gives your ears perfect prescription clarity: pinpoint imaging, holographic staging, and a sense of “being there” most IEMs can only dream of. It competes head-to-head with flagship Beryllium headphones costing 5–10× more.
Built like a laboratory instrument, comfortable like a daily driver. Bullet-style shell precision-cast from Eastman Tritan™, protected by a 316 stainless steel grille, powered by N48H neodymium magnets. Every part is finite-element analyzed for durability. Comes with a full suite of medical-grade tips (silicone + foam), premium travel case, adapters, and more.
Bottom line: If you want one IEM that does everything at reference level—without fuss, without fatigue, without compromise—Beryllium V3 is it.
Not sure Beryllium is for you? Use our Select-A-Tron if you’re still exploring.
Your ears deserve this.
Nerd Layer
I See a Detachable Cable? What’s That About?
We have also developed our own 2.5mm jack: the IDEEL connector. This connector is the world’s smallest 2.5mm jack, measuring just 3.6mm across, and a tiny 9.5mm mounting depth. This jack allows us to use the very robust 2.5mm TS plug in our tiny IEMs. No more delicate MMCX or difficult 2 pin plastic connectors needed.
Mechanical Elements
Transducer Diaphragm: Beryllium
Transducer Surround: Bonded PEEK
Transducer Frame: 316 Stainless Steel
Transducer Magnet: N48H Grade Neodymium
Enclosure Body: Tritan™ copolyester
Protective Grille: 316 Stainless Steel
Bonding Compound: Cyanoacrylate Adhesive
Sealant Compound: Polyvinyl Acetate
Mounting Tips: Medical Grade Silicone and Urethanes
Connector: IDEEL 2.5mm TS compatible connector (tip hot, sleeve ground)
All components are Finite Element Analyzed for stress, strain, and durability.
Tritan™ is a trademark of Eastman Chemicals
Performance Specifications
Frequency Response: 12 Hz to 45 kHz
Impedance: 32 Ohms nominal
Sensitivity: 100 dB SPL at 1mW in ear
Power Handling: 200 mW continuous
Peak SPL: 123 dB
THD: Less than 1% THD at 1mW
Included Components
Included Components
- Be IEMs
- 1.2 meter long cable single 3.5mm TRS to dual 2.5mm TS jack and metal shells
- Carrying Case
- Single Flange Tips – Small, Medium, Large
- Dual Flange Tips – Small, Medium, Large
- Memory Foam Tips – Small, Medium, Large
- Protective Travel Case
- Gold Plated ¼” TRS Adapter Jack
- Gold Plated Dual Mono Airplane Adapter
Physical Specifications
Cable Length: 1.2 m
Mass: 2.8 / 16.7 g (IEM/Set)
Operational Temperature: -20 to +50° C
Operational Humidity: 0-95% Relative Humidity
NRR: 31.3 dB (foam eartrip)
Overall Length: 21 mm
Body Diameter: 12 mm
Nozzle Diameter: 6 mm
Buy Beryllium V3 For only $135.00 USD
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Krishnamoorthy Muthulingam –
I rate the periodic audio beryllium v3 5 stars for its clean sound yet having a great timbre and warmth and being bullet style very easy and comfortable fit. but the periodic audio customer is worst (0 star). even after repeated emails regarding the 316 stainless steel filter missing in right earpiece zero response from them.
Support @ Periodic –
Please reach out to support@periodicaudio.com – we’ll get it taken care of.
Rick W –
So, I’m a writer and listening to music can make a big difference getting in “The Zone.” However, if the earbuds don’t sound good, or they’re uncomfortable then, well… No Zone for you! As a result I tried many different IEMS to find just the right ones. (Also, writers like to procrastinate so spending a lot of time researching online had a dual purpose.) It tried at least 5 wireless earbuds – which lacked comfort and, in most cases, sound satisfaction. Then I shifted the more reputable wired IEMs. The high-end kind that loop over your ears. Didn’t find one that suited me. Plus, some of them needed to go through and amp. Who needs that? I think my 14 year old was starting to worry about me. Was this a quest or some weird addiction. And then… I took a shot at Beryllium V3 from periodic audio. They had a traditional straight wire, it was American made and the price was totally reasonable. Please don’t suck! C’mon, periodic, give me my life back! In short: They rule. Comfortable, GREAT sound and AMAZING customer service. My kids had their dad back! (That is, until I started looking for the perfect laptop backpack.)
kddev –
Thanks for the review – and we’re big fans of the Everki laptop backpacks. Well made, and lots of sizes!
Johnny On The Spot –
VERY good audio from these! I have some more expensive units from Empire and Campfire, but I keep coming back to the Berylliums. They’re just more comfortable, really don’t give up any audio quality (even if they are balanced a bit different but so are the Empire and Campfire units) and easy to drive with my small Fiio player. I recently got the Neutron adapters too and they are great I can use the MMCX cables I have to get different experiences and change up the way the set wears and looks. Great overall value for just $249!
Shawn –
OK, SICK. Got some of these last month and MAD bad sound. Just kick everything. Tight quick bass, clean mid, lots of treb without cuttin heads off. Pricy yeah but way better than my airpods. I use the pods now for calls and stuff but when I want to listen to music the Bes are the only way to go!
Walter –
You’ve been listening to music with cotton balls in your ears until you’ve tried these IEMs!
The clarity and balance achieved from Beryllium V3s is astounding. I didn’t think Periodic Audio could surpass their original IEMs, but they have. If you’ve ever wanted to hear the hair growing on a conductor’s knuckles (I’m looking at you, Hans Zimmer!), now’s your chance!
Theo –
I get why people rave about these. They come in a low-end package with sleeve and cardboard. Cool carry tin but weird color gold dunno why but it is. IEMs look really normal plain nothing special like so many. When I put them in they are ultra comfort for all day wear never hurt my ears. I guess old style design is still best lol. Sound is amazing. I have an LG V50 and these BE sound so good on that phone. Like I am in a room with a big stereo system but just on my self you know? Hard to describe but it just sound real and tight. Love them!
Brian R. –
One word – stunning. Be is really natural sounding and never tiring or harsh. It just sounds right. Plenty of bottom end almost you can feel it like a great speaker setup but it’s not overblown and doesn’t overwhelm the midbass or midrange. No hint of distortion or noise. They seem clearer than the old V1s I had, I guess that’s the new plastic used. And I love the new connectors! It’s so easy and solid to connect and has lasted 8 months so far normally i get about 3 months from a set of mmcx connectors on a cable before they start failing and pulling off. Not these rock solid. Definitely worth the money I spent I use them every day.