Beyerdynamic T70p

General Information

The new T 70 and T 70 p headphones continue the story of success started by Beyerdynamic with the Tesla technology. Rugged in design with phenomenal audio quality, the elaborate three-layer paint and the skin-friendly headband and ear pads made of micro velours emphasize the precious appearance of these headphones – made in Germany. The closed design efficiently eliminates ambient noise – at home or on the go.

With the T 70 and T 70 p models the unique Tesla technology steps into the world of premium headphones. The fully metal sound transducers with powerful neodymium annular magnet ensure maximum performance and high fidelity. The closed design efficiently eliminates ambient noise. Even at a low volume the finest details can clearly be heard: controlled, analytical and balanced from ultra-deep bass to crystal-clear highs.

The T 70 with 250 ohms, a cable length of 3 meters and mini jack plug (3.5 mm) with screwed 1/4" adapter (6.35 mm) proves its power when connected to a hi-fi system at home. A leatherette case for carrying and storage is also supplied.

The T 70 p with 32 ohms, short 1.2 meter cable and angled mini jack plug (3.5 mm) performs well with mobile devices such as MP3 players, tablet PCs and laptops. It is supplied with carrying case, in-flight adapter and 1/4" adapter (6.35 mm).


• Tesla technology with highest efficiency
• Excellent ambient noise attenuation
• Headband and ear pads made of micro velour's
• Two versions: T 70 for use at home, T 70 p for use on the move
• Supplied with carrying case


Transducer type . . . . . . . . . . . . . dynamic
Operating principle . . . . . . . . . . closed
Frequency response . . . . . . . . . . 5 Hz - 40,000 Hz
Impedance. . . . . . . . . . . . . . . . . 250 Ω (T 70) / 32 Ω (T 70 p)
Nominal SPL. . . . . . . . . . . . . . . . 104 dB (1 mW / 500 Hz)
Nominal THD . . . . . . . . . . . . . . . <0.05% (1 mW / 500 Hz)
Power handling capacity . . . . . . 200 mW
Max. SPL . . . . . . . . . . . . . . . . . . 127 dB (200 mW / 500 Hz)
Sound coupling to the ear . . . . . circumaural
Ambient noise attenuation. . . . . 18 dB
Headband pressure . . . . . . . . . . 2.8 N
Weight without cable . . . . . . . . 330 g
Cable. . . . . . . . . . . . . . . . . . . . . 3 m (T 70) / 1.2 m (T 70 p) / single-sided
Connector . . . . . . . . . . . . . . . . . gold vaporized mini stereo jack plug (3.5 mm) & 1/4" adaptor (6.35 mm)
Accessories . . . . . . . . . . . . . . . . carrying case (T 70 / T 70 p), in-flight adaptor (T 70 p)

Latest reviews

Pros: Vibrant, great build quality, case is nice, not neutral.
Cons: Would be nice if the cord detached from the headphones.
Great headphones, definitely the best closed headphones I have worn. It's great that it's needs so little power to run, they sound great off anything. Highly recommended for quality. The headphones may be a little too bright for some though.
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Samsung earbuds are very neutral. Balanced. Try it
Pros: Build quality, high resolution, balanced tone, great extension, wonderful bass, stellar comfort
Cons: Mids a bit recessed (with standard pads), highs slightly too strong, spaciousness not brilliant (with standard pads)
Great headphones with well recorded music.
With modern recordings mixed with plenty of high frequencies it just pierce your eardrum, but perfect with Chesky and similar well made recordings.
My trick to make them sound wonderful is reversing the pads, it is a bit uncomfortable (the hard part of the pad is on your skull) but the gain is so big that I am happy like this. (I couldn't find any suitable pads that gives the same mid/spaciousness effect.
UPDATE: I found the AKG k240 pads + some foam on the frontal part of the pads to be perfect with these headphones, now with some burn in and the new pads I found the bass amazingly tight and bottomless, the mids are not recessed anymore, also with the new pads more punch was obtained. The spaciouness is now far beyond any closed cans I ever tried (even more than the AKG K550) and many other open headphones. I can't believe that a closed can could deliver such a spaciouness and soundstage and still preserving the good aspects of a closed can. At beyer they must have used some hybrid technology (see the lateral port on the caps) even though because the isolation is not perfect.
I have to say that the new pads didn't fix the highs which are still a tiny bit too pronounced on some recordings for my taste, this can be tiring especially listening to female singers for a long time, however I also found that with some well recorded acoustic music (jazz and baroque without tons of post processing) the high frequencies are amazingly pleasant and revealing, adding that "real" sensation to my ear.
I think these headphones with this configuration (AKG pads) are perfect for professional studio recording, they are an extremely revealing and balanced, crystal clear, high resolution machine, well done Beyerdynamic.
Please notice that I am also firmly convinced that talking about things like the amplitude of the different frequency sections is a very personal evaluation, since this aspect is strictly associated to a large extent to the shape of the ear canal of a specific subject and to a less extent to the shape of the pinna, without mention the psychoacoustic response of the brain. However it does exist something like the "average" listener which has an "average" frequency response perception, but statistically there will always be many people outside this average range that will hear things differently, especially in terms of frequency amplitude perception in the high frequency range. A more "scientific" evaluation should be done between parametrically equalised headphones using open ear canal probes and good linear near field loudspeakers.
P.S. These cans are also by far the most easy to drive headphones I ever tried, altough they still benefit of a good amplicifation in terms of clarity, resolution and vividness of the bass section.
Yes the K240 pads fit with no problems at all. I tried a number of different pads included the ones for the DT770 (VELOUR AND PLEATHER) i also tried the ones in real leather for aviation applications (particularly these one were awful) the results were always unacceptable to my ears, particularly, all the pads included the original ones, caused mids recession, I wanted the mids more forwarded and I wanted more ambience and I got both of them by chance, with the original pads reversed (yes I know it is crazy, with the hard part on your ear and the soft part on the ear piece, everything put together with some electrical tape), don't ask me how and why I came out with this idea :) but the system did work like a charm, apart the little discomfort for my ear and the ugliness of the arrangement. Since then I have been looking for a more beautiful and comfortable solution and eventually I met a friend which happened to possess the AKG K240, in 1 ms I dismantled the pads and I mounted them on the t70p (I did the same for a large number of other friend's headphones pads, annoying them a lot :) ) and magic! It worked, no anymore recessed mids. I immediately searched on the internet to find the pads, it took me 15 emails and two calls and one month but eventually I got them (they are also pretty cheap), I still didn't get that beautiful 3d effect that I got with the reversed original pads, so I tried different solutions and eventually I got it, I used some foam like the one used for the pads, precisely just part of a ring 1 cm thick (let's say 90 degree of an entire foam ring, or if you want a quarter of a ring) and I inserted it between the pad and the ear piece in the front area (the one close to your eyes when you wear the headphones) and et voila! The 3D effect was back with a lot more ambience and also tighter bass beacuse of the better sealing due to the material of the pads (nice pleather). Please notice that the k240 pads differ substantially from the beyer pads, they don't have the hard cover that face the earpiece that you can find in all the beyer pads, I think this is the major cause of the change in the mids amplitude. Also the AKG pads are a bit larger and incredibly more comfortable than the original ones, with these pads I can wear these cans for hours and hours without even feeling them on my ears. Anyway, a little adventure, but eventually I am extremely satisfied about these headphones, I believe the tesla drivers do an amazing job. My next step before buying other headphones will be equalise my headphones according with my ear canal, recording the response at my ear drums, and using a 20 bands professional parametric equaliser, I am sick of different opinions about headphones frequency response and timbre, these 2 parameters are too depndent on our ears, that's why there is such a large discrepancy of opinions. I hope all this can help your listening experience.
Sounds complicated. So,
1, buy a k240 replacement pad (leatherette)
2, what ring? What material?
Sorry ya, I've never mod a headphone before, so I'm not really sure where to find the materials and what item will affect which part of the sound.
I'll make a post with pictures and details soon, it is very easy, you'll see, absolutely nothing complicated, just some scissors and normal foam.
Pros: Comfort and light, Clarity, details, tight bass, smooth mids, overall balanced.
Cons: Bass lacks punch, price, treble may be too piercing.

Since there isn't any review on this can (T70-250ohm), I would like to share some user experience over here.



Audio rig: Laptop Foobar 2000-Wasapi output -> Centrance Dacport LX -> Govibe Peak Amp -> T70.
Mostly listen to: Vocals (Female over 70%), Tracks from 70s, 80s, 90s, A few rocks (Bon Jovi, Aerosmith, Queen, etc.), minor pop.
Self-rating audiophile level: 3/10 in terms of experience.
Past experience: Shure SRH840, Futuresonic Atrios M5 (MG7), Radius TWF11r, 
Build: 4/5 Tough, German-trademark build. It looks fragile to me (ironically, LOL), but when I hold it, I can feel that it could withstand daily use (not abuse). One sided cable input is unfortunately a ban for some audiophiles.
Accessories: 3/5 A leather headphone bag, 6.3 inch adapter, and... no replacement pad, which I highly appreciate in Shure SRH840 for durability.
Isolation: 2/5 Mediocre at best, can mildly hear the sound of the wind hitting on the exterior of the headphone driver.
Comfort: 4/5 Comfortable padding, but will get hot after around 1 hour of use. The headband has soft cushion too. Clamping force isn't as strong as SRH840, just right for me.
Aesthetic: 4/5 Looks nice to me, minimalism design. 
Low: 8/10 Frankly speaking, what is lack for me is the more powerful midbass punch of beats. That's all. Other than that, everything is just perfectly in place. Tight, accurate bass reproduction is what I like. And normally, this headphone doesn't unleash its bass potential unless the music asks for it. I can go through several songs without feeling anything until a nicely tuned bassy songs will suddenly crack my head. It comes by surprise, as I didn't expect the punch to be so sudden. One thing I like on T70 is that the lows do not overshadow the mids and highs, which I highly appreciate as I render bass as a supplementary rather than the main dish of a song. Drums feel rather real, as the vibration can be clearly "seen" and not just felt.
Mid: 9/10 Overall neutral, but I cannot guarantee it sounds neutral to you. LOL. I'm just owning only a few audio rigs, therefore I cannot confirm that it is entirely neutral on the mids because it sounds smooth to me! Me and my friends used to call it, poisoning. I felt at home when listening to the vocals, as I can clearly hear the singers breathe, clear their throats, or even cough.
High: 9/10 Treble may be piercing before burn in, as some notes are quite offensive to my ears. Unlike Shure's rolling off-ed highs, T70 just let the frequency goes as far as it can extend. Therefore, it feels more "real", in a sense that I would not miss a sound due to suppression of the highs. 
Presentation: 8/10 The soundstage may not be as wide as the open cans, but it is definitely wider than most closed cans I have tried in the store. Depth is also present, as I can distinguish the singer standing in front of the drums. Instruments can go very far apart if the track requires, which isn't found on my SRH840. The overall sound sig is more forward, and not entirely closed as I can feel a sense of spacing between all the instruments. Thanks to the "HD" Tesla driver, I can feel that I "see" music, like where all the instruments are placed. There are abundant micro details which i never thought existed when I re-listen my past tracks. When I close my eyes, I can "see" the sound coming in and out from all direction, like the plane flying in a distance from left to right, cars zooming past in front of me and quickly drift far away, and etc. It is a wonderful experience!
Thanks for reading. I hope that I can have some comments on this review as I am still a learning rookie in this audiophile world.
Edit 11.23.12:
It's been months since I've last spent on this headphones. I'll re-rate it here:
Bass: I understand that the lack of punch is due to the use of micro-velour padding, which absorbs much of the bass impact in exchange for more comfort. It's still clear, well, I've never experienced a bloated bass on T70, maybe... poor recording perhaps, or my songs are yet to be demanding.
Treble: This can might grow treble hot sometimes. The piercing (especially on pianos) is unbearable. I'm not sure if this is how Beyer's sound engineers perceive "realistic" as, but that's one too sharp to my ears.
You gave it 5 stars on everything except value but within the review you list problems with audio quality and such... I am confused.
I'm new to the audio world, just trying to write my opinion about the T70 I'm listening to.
And 5 stars is because I'm satisfied with what I heard, not that it represent perfection.
Because there isn't anything which is best for both worlds. I'm just pointing the possible flaws that I could think of.


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