モバイル等の使用ではヘッドホンアンプ必須といった感じ。普段使いには50xの方が使いやすいかも。

音は分離が良くてハイレゾ録音のライブ音源で威力を発揮。

モバイル等では音が小さすぎてよく分からない感じ。YouTubeとかの再生ではあんまり必要ないと感じた。

軽量で付けてて疲れを感じにくい。

このクラスだと当たり前だけどハーネスが断線しても買い直せるのが有難い。

絶対買った方がいいと言う程ではないがそこまで高くないので好みなのかなと。ただ次のモデルが値上がりしたのでこれを買っとけばコスパは良さそう。

旧r70x、新r70xa両方持っています。

モニターのお手本、教科書的な存在で非常にナチュラルで平均点の高い機種です。

r70xaは旧式と比較して、解像度が高くなり特にボーカルがはっきり聴こえるようになっています。

小音量では、まるでスピーカーのように耳にストレスなく聴き流す事ができます。

また、大音量にしても破綻しません。

高域の伸びと広がりが素晴らしいです。

注意点としては、

①据え置き型のアンプが必須。

私はfiioのk9AKMで聴いています。

最低でもこのくらいのクラスのアンプは必要かと思われます。

これより安価なアンプでは全然良くありませんでした。

アンプとセットにすると、13万程度の費用が発生します。

②装着感（イヤーパッドが小さい）

私は平均的な体型の成人男性ですが、イヤーパッドに耳が収まらず、オンイヤーに近い形になってしまいます。SONYのCD900STとかもそうですが好み分かれるかと。

総評すると、

据え置き型のアンプがある人にとっては、高いコスパの製品だと思います。

この価格帯にありがちな変な癖がなくどの帯域もそれなりのクオリティで鳴らしてくれます。

アンプが無い人で出費を抑えたい人には、r50xやmdr-mv1がおすすめです。

※R70xはオーディオテクニカ公式ストアでは生産/販売終了しているため新品は各ストアの在庫のみ、Amazon販売は限定ガンメタ・1.8mケーブル1本になります。1.2/3.0mケーブル付きの方が後継機種R70xaなので、R70xaが欲しい方は価格につられて間違わない様にして下さい。

リスニング寄りの音ではありますが、あくまでモニターです。

とにかく軽く、ヘッドパッド圧・側圧も強くは無いですが、ヘッドバンドアジャスタが一般的な方式ではなくイヤーホールも小さめ。出来れば購入前に試着をお薦めします。

基本的にスピーカーから聞こえる音、です。

音は近め、イヤーパッドが 〉〈 という断面形状のため、KOSS PRO/4AA程極端ではありませんが音を耳の周りにコンパクトに集めた様な感じで、モニターとしては「全体の音」を見るタイプ。

M50xもソニーの赤/青帯の様なゴリゴリなモニターの音ではありませんが、R70xはウォーム系でM50xと比べてもかなりリスニング寄りの音です。

R70xaで同じ事を書いている方がおられますが、音が聞こえ過ぎる方は聴き疲れのタイミングは早いと思います。これは恐らくイヤーパッドが音を耳に凝縮して届ける形状なためだと思います。

イヤーパッド交換は「溝」が特殊な形状でかなり面倒くさく、これもイヤーホールの小ささと共に評価を下げる要因になってます。

音全体ではM50xと同じ様な、高音が刺さらず中低音寄りの「オーディオテクニカのモニターの音」。厳密なフラットではありません。あえてフラットと言うなら、中高音寄りフラットのK702とは反対方向のフラットですね。K702と比べると薄くベールを被せた様な音。

音の方向性では、オーディオテクニカはAKGやベイヤーの音より、ゼンハイザーの音が好きな方に合う印象です。

低音は開放型の割に出るDT990よりは強めですが、平面磁界のT50RPmk3gほどは強さ・音の深い所までは出ません。T50RPは半開放型・ドライバの種類も違う上に最大入力も3000mwとR70xの3倍なので、比較対象として公平とは言えないかもしれませんが。

オーディオテクニカのモニター全般に言えるのですが、純粋な音の強さよりも厚めで豊かな低音で聞かせる、という感じです。ピアノや低めのボーカルでは低音が少し籠もり気味にボワッと聞こえる事があります。

高音はスッキリクリアな音ではないので、T50RP・DT990・K702・DT880と比べるとオーケストラでトライアングルの音やフォークギターの様な金属系高めで繊細・小さめの音を拾うのは少し苦手。クール系の音のアンプでないと曲のジャンルと聴く楽器の種類は割と選ぶ感じです。まあ「スピーカーの音」で用途も違うので、これは仕方ない。

解像度が高く音の分離も良いので「そこで鳴っている」のは分かるのですが高音は拾いきれない、という印象で、私はモニター/リスニングともクリアな音で聴きたい派なのでR70xはちょっと音が合いませんでした。レビューを見る限りではR70xaは音全体を上に持ち上げ低音・高音とも改善されている様です。

聴こえ方は、R70xはホールの客席で聴いている音、T50RPは指揮者の位置で楽器の音そのままを聞いている感じで、モニターとしてならT50RPですが、リスニング用途ならR70xの方が自然な聴こえ方です。

インピーダンスの割に音量は取りやすく、62ΩのK702とほぼ同じ音量で鳴ります。リスニングでT50RPmk3g・600ΩのDT880を使っていますが、それらと比べるとかなり能率の良いドライバです。

600Ωシングルエンドで1000mw出力のモニターアンプAT-HA50・300Ωのfiio K11をともにシングルエンドで聴き比べると、シングルエンドではK11はさすがに高音低音とも出し切れない感じです。アンプはあくまで増幅器なので、PCなど出力側の機器・使用ソフト等の元の音の出力がどれくらいかにも依りますが、リスニング用途なら３〜4万位のアンプでもバランス接続で充分鳴ると思います。おそらくK11でもバランスなら充分鳴らせるのではないかと思います。

R70xaは音全体を上に持ち上げ低音・高音とも改善されているようですが、イヤーパッドが小さめのため今のところ購入する気はありません。Fidelio X2→X3、T50RPmk3g→mk4の様に性能自体は上がって万人受けする音になった替わりに「味」が薄くなったと感じる方もいるので、リスニング用途で購入するならR70xaと共に試着・試聴する事をお薦めします。

Excellent studio quality headphones. I chose these when upgrading from a set of AKG Q701s and am very happy with these Audio-technicas. The headphones are light and easy to wear for long periods of time. The design of the headphones allows them to sit snugly on your head without fatigue for longer sessions. The headphones are light weight but very well made. The metal structure and plastic joints move smoothly and accurately without any wobble or strain. The sound quality is excellent with a warm neutral sound for accurate vocals and instruments. A headphone amp is needed to get the most out of the headphone's sound capabilities, but are a welcome addition to someone who really enjoys music.

以前レビューしましたが環境激変したため再レビューです。

再生環境：PC→FX-AUDIO-PGN2→DC07pro→Nobsound P10(iFi iPower2+NFJ petit susie+petit tank ss、OPA1612×2換装済み)

音に関しては他の方のレビューのとおりで、味付けも少なく全体がフラットでクリア、自然な温度感という印象です。470Ωという超高インピーダンスなのでノイズも入りにくいです。

ただし注意点としてポテンシャルを最大限発揮するなら据え置きのパワーのあるアンプが必須（10万~くらい？）になると思います。AIいわく、パワーが足りないと眠い音になりやすいそうです。

Clearly a great choice, bass quality its one of the best out there in the detail of it. Perfect for studio use, you almost dont feel the headphones in your head, sound its great, really linear sound that allows you to easily differentiate different types of sounds. Perfect to use to practice instruments like Electric Guitar-Bass-Digital Piano and a good sound card like the Audient ID4. I wouldnt recommend the use of this headphones with most sound cards due to the high Ohm requirement, to get the best out of it you need sound cards that have a great high Ohm quality output like current Audient Offerings because most audio sound cards cant deliver the high Ohm or they can deliver the Ohm but the quality its terrible on those cards because are made for use with headphones with a lower capacity. In that case i would recommend the ATH-M70x that are great in that case if you dont mind those not being open back headphones.

モニター用らしい締め付け、タイトなサイズ感…は承知の上だったのだが、このモデルチェンジ前のR70の特徴である、3Dウイング機構がモニター用とミスマッチ…と思う。

自分は頭が大きい方なので、特に3Dウイング機構が全く無能になっており、他製品ではウイングの装着感が気に入っていただけにそれが残念

良いモニターヘッドホンで自分も使っていました。ですが今3万円以上出してこっちを買うよりは後継機種であるR70xaをオススメします。ヘッドバンドが一般的な形になっていて解像度も上がっているように感じます。

Frequency Response - 4.5/5: exceptionally flat in the midrange, with a slight mid bass bump. Highs are nicely rounded and non-fatiguing. The expected sub bass roll off is there, but not to the extent of most open backs. Extension is good at both ends of the spectrum. The overall tonality is neutral, with a tendency towards fullness and warmth, without becoming dark or muffled. No headphone is perfectly flat, but this is about as close as it gets without using an EQ.

Soundstage - 4/5: wider than it is tall; it presents a nice middle ground between intimate and spacious.

Imaging - 5/5: what really sets these headphones apart is the precise and enveloping imaging performance. Sounds appear to extend a full 270 degrees around the head, with a level of accuracy approaching that of nearfield monitors. Ideal for mixing, and almost uncontested in this price bracket.

Comfort - 5/5: lightweight, with breathable pads and no contact with the top of the head. Almost perfect, requiring no adjustment on the part of the user, and can easily be worn for hours at a time. The ear cups are not the largest and do not swivel vertically, which might be an issue for some.

Build - 4/5: mostly plastic, though the headband and grills are metal. The materials are of good quality and the 2-year warranty is reassuring, but the low weight and abundance of moving parts make it feel more fragile than it probably is. AT have a strong reputation for durability, and my own experience with the brand has been positive, but how this set holds up remains to be seen.

Included Extras - 3/5: in the box is a 1/4" adapter and a cloth bag. A alternative cable and extra set of pads would have been appreciated, especially as the included cable is 3 metres and will be too long for some applications.

Power Requirements: at 470 ohms, a headphone amp is generally recommended, however I have found that the R70X is significantly easier to drive than it initially appears, generating plenty of volume on all my devices (phone, laptop, desktop). I do not notice any difference in sound quality when plugged into my DAC/amp, so I would suggest trying the headphones by themselves before shelling out for an amp, as it may not be required.

Value - 5/5: at the current price of around £250, the ATH-R70X is an easy recommendation; cheaper than most of its competition, while outperforming many of them. Few headphones are this comfortable and this accurate without major tradeoffs in other areas, even those at far higher prices.

These were an upgrade from my ATH-AD700X, the wing flap bands are the most comfortable headband design for my head that I have ever found. I wish other brands would steal this headband design, it really is that amazing. It was the main reason I kept to the R70x because it uses this specific head band, the best part is for my ball cap wearers it easily fits over your hat without interfering with the squatchee (button on the top of the cap). I am sure there are many people that will want to try the headphones just with that knowledge. The included pads are comfortable and don't make the surrounding skin hot, which for me who has very sweaty ears is a must have (open back headphones are great for that too).

For audio, they are able to get you by as stock, but with any headset really, if you want the most out of these headphones there is a really great Github repository for EQs, made by jaakkopasanen called AutoEq. Highly suggest you use them, for any headset really, I used his work for the previously mentioned AD700X as well. It will make your purchase that much more worthwhile. Especially where these headphones are starting to get into the plateau of price/performance.

This is my fourth pair of headphone. This is the loghtest and the most comfortable. Dont feel anything wearing it for a long time. The sound is also great. The original cable is not that good. I changed to a silver mix with Copper cable. It makes lot of difference. Headphone needs time to burn it. It should sound even better after sometime of usage. Good buy from Amazon.

Sono giunto a queste cuffie dopo essermi letto decine e decine di recensioni sui modelli più disparati di varie marche. Cercavo una cuffia dalla risposta sostanzialmente neutra, altrimenti detta "monitor" o "da studio", perché reputo che per poter parlare di vera HiFi - ovvero alta fedeltà nella riproduzione del suono - non bisogna introdurre nessun fattore che modifichi ciò che è stato prodotto dall'artista. Di queste cuffie poco conosciute ho letto meraviglie su varie recensioni trovate in rete, in particolare riguardo all'ottima resa acustica comparabile a quella di modelli di fascia superiore.

LR70X sono cuffie aperte, dalla costruzione solida ma allo stesso tempo leggere ed estremamente confortevoli da indossare, anche grazie al geniale meccanismo di bloccaggio che si adatta alle dimensioni della testa senza dover far nulla se non indossarle. Sono made in Japan, nella confezione c'è il cavo (3m) con connettori placcati ed adattatore 2.5mm / 3.5 mm incluso (innesto a vite, non a baionetta), più una sacca morbida per riporli. Il cavo lato cuffia ha 2 jack da collegare ai singoli padiglioni, vanno inseriti e ruotati leggermente in senso orario fino al click, non riportano indicazioni destro/sinistro perché posso essere inseriti come viene, è il connettore interno che seleziona il canale corretto R/L.

Ho letto che alcuni si lamentano del fatto che le scritte R/L sulla cuffia sono piccole e difficili da trovare e da leggere, in effetti è così, ma basta notare che l'imbottitura dei padiglioni è asimmetrica (più spessa posteriormente che anteriormente), quindi con un'occhiata si capisce al volo il verso giusto. La lunghezza del cavo è ottima se si usano le cuffie collegate all'impianto HiFi, meno se usate con un riproduttore portatile. A tal proposito va segnalato che le R70X hanno un'impedenza abbastanza alta (470 Ohm) che richiedono una discreta potenza per essere pilotate al meglio. Fortunatamente il mio smartphone ha un'uscita audio sufficientemente alta per poterle utilizzare anche senza doverci per forza collegare un amplificatore, sebbene con il volume a circa 80%-90%. Ma per alcuni modelli potrebbe essere un problema, tenetene conto.

Concludendo: cuffie fantastiche con un ottimo rapporto prezzo/prestazioni, buon imballo, spedizione velocissima.

In the over-ear department, I currently own the Oppo PM-2, PM-3, and Audio-Technica ATH-R70x. I previously owned the Sennheiser HD650, Phillips Fidelio X2, and Beats Pro. In this mixed bag of open and closed-back headphones, the Oppo PM-2's are the best in my opinion. But they should be the best, considering I paid $700 for them. The ATH-R70x comes in at number 2 and they give the PM-2's a serious run for their money!

The R70x's is super neutral, very open, and very comfortable. The soundstage is not the widest but its wide and immersive. I personally don't have any complaints about the sound. They have a way of delivering great detail without ever sounding harsh or to in your face. That's not to say that they are laid back either. I think they just strike the perfect balance in terms of tonal balance, imagining, comfort, build, design, and cost.

That being said, the build quality is very good in my opinion. I think the problem other users are having is that these these headphones don't feel luxurious. Its clear that Audio-Technica saved some money in the construction department but I would not say they are poorly constructed or cheap. These headphones punch well above their weight. For the price, these offer the best bang for your buck. They beat almost all other headphones I've ever heard and for under $500 I don't think and thing comes close - assuming you want an uncolored, and accurate detail retrieval.

The only downside to these headphones is the impedance. At 470ohms, you will almost certainly want to invest in a DAC/Amp setup to get the most out of these. And for those who may not be familiar with open-back headphones, these are NOT portable. They are very open so people can hear what you are listening to and you can hear outside noise. This is not a negative mark against the headphones. They are intended for studio environments (i.e. a quiet atmosphere). This feature benefits you in a few ways. It creates a more immersive and "out of head" listening experience. Additionally, they are less fatiguing than closed headphones because you don't get the back pressure created by the drivers.

All in all, this is an excellent headphone that deserves far more attention and credit that it currently receives. I highly recommend it. Just know their intended use before buying.