Question 1

Are these better than beats are they more comftorable and do they have better sound quality, also does it have a mic

Accepted Answer

To further comment on RVDIII's review... Beyerdynamic is a top tier world class company that has been in the business of manufacturing headphones, mics and amplifiers since about 1940.  With the emphasis on Headphones. The headphones of various models are tried and tested and have been used in studios both large and small, commercial and private from them till now.  I currently own the 770 Pro 250 ohm and the 990 Pro 250 ohm now for reference mixing in my personal studio.  A lot of people ask about the "ohm" rating/#.  Hope this helps: If you work with headphone amps in your setup, or any professional +4 higher output gear, then get the 250 ohm, as they provide MORE resistance to those (amplified/higher volume) signals so you don't accidentally destroy your ears when connecting.  The lower rated ohm headphones in all models are best suited for -10 lower output connections. They provide LESS resistance to the signal when it passes through and therefore the volume is ultimately louder do to it not "resisting" or "restricting" the signal which is what you ultimately need for low output gear/devices that are not amplified.  Both high and low ohm models can be used in either situation, you will just have to be careful w pro gear or headphone amps with the 80 ohm, and may not like that your audio doesn't get loud enough on the 250 ohm models without a headphone amp in the signal chain.  Cheers to you all!

Question 2

I see alot of reviews saying these headphones fatigue fairly quickly. I saw simuliar views on the grados and after an hour they began to really hurt?

Accepted Answer

This is a common complaint, but let me clear things up a bit.  Treble can sound fatiguing for two reasons: 1. energy storage in the treble, 2. loud treble.  Energy storage is very bad, think of when you ring a bell.  After the initial strike the bell continues ringing for several seconds.  You don't want your headphones to do this, because not only will you get loud fatiguing treble, all the notes will blend together.  An eq will not fix this.  The second reason is having clean treble that's just louder than the rest of the spectrum.  Grados are fatiguing for the first reason, DT990s for the second.  The DT990 actually have very fast treble (no ringing), there's just a good 4-6dB bump from roughly 4 or 5khz up to about 8 or 9khz.  If you tune that down with an EQ they sound great.  Honestly I don't even use an EQ anymore, but if it bothers you and you have an eq, it's easy to fix.

Question 3

How do these compare to the  Sennheiser HD 598 Headphones?

Accepted Answer

I own both sets.  The Sennheiser HD 598 and their predecessors HD 595 (see my review) are extremely SMOOTH, headphones you can fall asleep to.  The Beyerdynamic DT 990-Pro 250 ohm are ANALYTICAL headphones.  You will not fall asleep with these as they demand your full attention.  Different purpose I would say.

Question 4

since there are the vents on the side, does the sound leak? can others hear it?

Accepted Answer

Yes, they are open air design, so everyone will probably hear what you're hearing if they're in the same room.   Because of this, I have not taken mine to work.   If you listen quietly you can't hear the sound leaking, but at the level I like to listen (mildly loud) people can easily tell what you're listening to.

ASIN	B0011UB9CQ
Amazon 売れ筋ランキング	家電＆カメラ - 89,882位 ( 家電＆カメラの売れ筋ランキングを見る ) オーバーイヤーヘッドホン - 381位
Sensitivity	96 dB
おすすめ度	4.6 5つ星のうち4.6 (16,553) var
お客様の年齢層	大人
イヤホンの形状	サークル
インピーダンス	250 オーム
オーディオドライバーの種類	ダイナミックドライバー
カラー	ブラック
ケーブルの特徴	脱着式
コントロール	メディアコントロール
サイン入り	いいえ
スタイル名	ヘッドホン。
ノイズ制御	なし
ブランド名	ベイヤーダイナミック
ヘッドフォンの耳が当たる位置	オーバーイヤー
ヘッドフォンジャック	3.5mmジャック
ヘッドホン/イヤホンスタイル	オーバーイヤー
メーカー名	beyerdynamic
ユニット数	1 個
互換デバイス	ノートパソコン、デスクトップ、音楽制作機器、携帯電話。
付属品総数	1
同梱商品	ヘッドバンド
周波数応答	35000 Hz
周波数範囲	5Hz~35,000Hz。
商品の推奨用途	オーディオモニタリング, レコーディング
商品の用途	エンターテインメント, ゲーミング, 職業
商品の追加説明1	Tangle-Free_コード, オーバーイヤー。, オープンバック, 交換可能な部品, 絡まないコード。, 調節可能なヘッドバンド
商品の重量	0.38 キログラム
商品外装素材	スプリングスチールプラスチックスプリングスチール。プラスチック製。ベロア。
商品種別	Beyerdynamic DT 990 Pro 250オームヘッドホン。
型番	DT 990 PRO
梱包タイプ	スタンダードパッケージング
無線タイプ	配線。
管理方法	遠隔
通信・接続インターフェース	有線
防水タイプか否か	非防水
電気	いいえ

beyerdynamic (ベイヤーダイナミック) DT 990 Pro 250オームオーバーイヤースタジオヘッドホンミキシング/マスタリング/編集用 | 3mのコイルケーブル、有線オーバーイヤーデザイン。

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beyerdynamic (ベイヤーダイナミック) DT 990 Pro 250オーム オーバーイヤースタジオヘッドホン ミキシング/マスタリング/編集用 | 3mのコイルケーブル、有線オーバーイヤーデザイン。

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beyerdynamic (ベイヤーダイナミック) DT 990 Pro 250オームオーバーイヤースタジオヘッドホンミキシング/マスタリング/編集用 | 3mのコイルケーブル、有線オーバーイヤーデザイン。