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Sennheiser HD25-1 II Closed-Back Headphones

4.6 out of 5 stars 302 customer reviews
| 41 answered questions

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Headphones
  • Item Weight: 5 ounces
  • The capsule is rotatable for one-ear listening
  • Capable of handling very high sound pressure levels
  • Offers high attenuation of background noise
  • Ideal monitoring headphones for cameramen and DJs
  • Lightweight at only 5 ounces
95 new from $289.04 8 used from $159.00

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Technical Details

Style: Headphones
  • lightweight

Product Description

Style: Headphones

Product Description

The closed-back HD 25-1 II purpose-designed, professional monitoring headphones offer high attenuation of background noise. Capable of handling very high sound pressure levels and of extremely robust construction, these headphones perform exceptionally well in high-noise environments, such as sound reinforcement, studio monitoring, and audio equipment testing. The capsule is rotatable for one-ear listening. The Sennheiser HD-25 II make ideal monitoring headphones for cameramen and DJs.

From the Manufacturer

The closed-back HD 25-1 II purpose-designed, professional monitoring headphones offer high attenuation of background noise. Capable of handling very high sound pressure levels and of extremely robust construction, these headphones perform exceptionally well in high-noise environments, such as sound reinforcement, studio monitoring, and audio equipment testing. The capsule is rotatable for one-ear listening. The Sennheiser HD-25 II make ideal monitoring headphones for cameramen and DJs.

Sennheiser HD 25-1 II
Ideal monitoring headphones for cameramen and DJs
Sennheiser HD 25-1 II
The HD 25-1 II is very lightweight and comfortable, even if used for long periods
Lightweight and Comfortable

The HD 25-1 II is very lightweight and comfortable, even if used for long periods. The high maximum sound pressure level and 70 Ohms of nominal impedance allow for universal compatibility. Neodymium ferrous magnet systems and lightweight aluminium/copper voice combined with a tough, detachable steel cable deliver a long life of reliable performance.

Widely Compatible

The Sennheiser HD 25-1 II is compatible with MP3, iPod, DVD, and CD players as well as mobile phones supporting a 3.5mm jack plug. HD 25-1 II also supports (listen only) the latest generation of tablets, from the iPad to the most recent Android tablets and the Blackberry Playbook. It's also compatible with component home stereos, and recording or studio equipment that uses a 1/4" plug, thanks to the included locking 1/4" stereo plug adapter.

What's in the Box?

Sennheiser HD 25-1 II Headphones, adapter for 1/4" (6.3 mm) stereo jack plug, carrying bag, 1 pair of soft ear pads, warranty.

Technical Specifications

  • Cable length: 5 ft. (1.5 m.)
  • Contact pressure: 2.5 N
  • Frequency response: 16 - 22,000 Hz
  • Jack plug: 3.5/6.3 mm stereo
  • Load rating: 0.2 W
  • Nominal impedance: 70 Ohms
  • Sound pressure level (SPL): 120 dB (SPL)
  • Total harmonic distortion (THD): < 0.3 %
  • Transducer type: Dynamic, closed
  • Weight w/o cable: 4.9 oz. (140 g)

Product Information

Style:Headphones
Product Dimensions 9.8 x 7.5 x 3.5 inches
Item Weight 5 ounces
Shipping Weight 11.4 ounces
Manufacturer Sennheiser
ASIN B000TDZOXG
Item model number HD25-1 II
Customer Reviews
4.6 out of 5 stars 302 customer reviews

4.6 out of 5 stars
Best Sellers Rank #765 in Electronics > Headphones > On-Ear Headphones
#1,058 in Electronics > Headphones > Over-Ear Headphones
#18,800 in Electronics > Portable Audio & Video > MP3 & MP4 Players & Accessories > MP3 & MP4 Player Accessories
Date first available at Amazon.com October 2, 2001

Technical Specification

Warranty [pdf ]

Warranty & Support

Product Warranty: For warranty information about this product, please click here. [PDF ]

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By C. Jung on July 11, 2011
Style Name: Headphones
First off, I've been researching on getting a high quality set of headphones for a long time, looking at reviews all over forums and sites, and testing them out at stores that carried the ones I was interested in, mostly for DJ use. (Sony MDR V700, Pioneer HDJ-1000&2000, Allen&Heath XD53, Ultrasone DJ-1, Technics RP-DH1200, etc etc, and even the Monster Dre. Beats Pro, even though after the Beats Studios I've grown to sway away from those overpriced-bandwagon-moneymaking headphones) If you're looking for a set of 'cool' headphones that look flashy and deliver mad bass for casual listening (with hopes that you will be noticed by people around you wearing your super cool headphones) and are thinking of getting these, look elsewhere. However, if you want studio-level quality headphones that deliver excellent noise isolation while maintaining superb sounds with crisp highs and tight, punchy bass, (and aren't buying them for sex appeal) you cannot go wrong with these. I might also mention that I bought these for mainly DJ use as well as listening on-the-go for I am a hobbyist, and I have to say it serve my purpose extremely well.

One reason why these are far superior than other headphones in the price range is its isolation. Although it is technically not a 'closed' system, it blocks out sound better than any closed headphones I've tried. Next time you're watching ESPN and look at what headphones the commentators are using, you'll quickly realize that these are EVERYWHERE. This is because of the superior isolation it provides, since commentators need to be able to block out the loud noise of the crowds & whatnot in the environment they are in.
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Style Name: Headphones
The problem with having a reference-grade pair of headphones for home listening (in my case, Grado's amazing Prestige Series SR325is) is that when you start looking for 'phones to listen to away from home, just about everything you try inevitably comes up short in one way or another, and the name of the game becomes "which set of compromises am I willing to live with?"

For me, the current crop of headphones aimed toward portable listening is, at best, merely acceptable. I could drag out the usual suspects to use as punching bags, but we already know who they are; just think style-over-substance and there's no need to name names. But there are a few seriously-mediocre 'phones out there offered by outfits that should definitely know better (AKG, I'm looking at you). Really, nothing I listened to in the "portable headphones" category did the trick, which is rather astounding given the money being asked for some of the upper-end models.

Then, while grousing about this situation to a sales guy at the headphone counter at a local shop recently, I got a suggestion I should have thought of before: ignore the "portable" category altogether, and audition something a pro would use. However, one good reason why I hadn't thought of this is that most "serious" headphones also typically sport some serious size and weight, and aren't always something that's easy for something like an iPod to drive at satisfying (not ear-splitting) sound levels. Yes, wearing big 'phones on the street is apparently cool again, but I prefer being a bit more discreet in my headwear, although I'm about done with in-ear phones and their assorted anomalies.

The sales guy then handed me a pair of these Sennheisers. I listened. I looked them over. I listened again. I was sold, simple as that.
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Style Name: Headphones Verified Purchase
Looks ugly and cheap. So I bought the V-Moda M80, which looks AWESOME and COOL!! Taught me to not judge a book by its cover. Let me explain.

The V-Moda looked good, sounded ok, but the QC was terrible. The set I got had channel imbalance (right side noticeably louder than the left) and creaky construction at the metal hinges where the headband connects to the cups. I sold the V-Moda.

Next, I bought the highly recommended ATH M50. Sounded ok, bassy (definitely for bassheads) and isolation was good. BUT the long cord and size didn't make it as portable as I'd liked it to be, so it was relegated to home use for watching movies and playing games.

So my search for a sub $200 (unamped) portable headphone continued. I looked at Grado and other brands. Scoured forums and more forums for recommendations and whatnot. Annoyingly, people kept recommending this pair of headphones which led me to think that everybody on head-fi and other audio forums are all fashion-blind audiophiles/retards. However, logic dictates that if a bunch of monkeys are gong "ooh ooh ahh ahh" and pointing at something behind you, they all can't be wrong, so there might actually be something behind you that's worth looking at (a tiger mayhaps). So going against my better judgement, I ordered a pair. Best mistake I've ever done in my life, I must say.

The box was simple. Too simple. After the likes of the fancy schmancy case that came with the V-Moda, the Sennheiser box looked blasphemously cheap for the price that I paid for the headphones. And when I opened up the box, I was greeted with a flimsy looking plastic pair of headphones that has "Made in Ireland" printed on it.
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9 Comments 93 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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