Sennheiser Headphones Over Ear Headphones

Published on June 11th, 2015 | by audioguy


Sennheiser HD25-1 II Closed-Back Headphones Review

The Sennheiser HD25-1 II Closed-Back Headphones are professional dynamic headphones with a rotatable ear. They are suitable for use by DJs for mixing or during studio recording sessions.

For the purpose of monitoring, the HD 25-1 II headphones offer excellent isolation from outside noise and because of its sound quality and ergonomics HD 25-1 II headphones have long been a benchmark for professionals in all areas of audio technology. The HD 25-1 II is today is a reference point for headsets within its range.

Its behaviour in noisy environments is exceptional. Whether indoors or outdoors, these headset guarantees excellent insulation against external noise. Its low weight and double adjustable padded headband make the HD 25-1 II very comfortable headsets as they can be worn for hours without the wearer feeling any discomfort.

It is ideal for use in studios, recording, and audio equipment testing, etc. Its pivoting ear cups allow the user to listen to just one ear at a time, thus making these headphones the perfect monitoring headphones for both cameramen and DJs.

The HD 25-1 is highly appreciated for its precision, robustness, comfort and design. It delivers a full and powerful audio experience. If you want to enjoy your music, this headset is for you, whether you are amateur or professional. The sound is crisp, clear and without distortion, even at high volume. The audio output is very clean with a deep bass and clear high tones. The details of a record can be heard clearly and the voices come out beautifully as well.

The Sennheiser HD25-1 II closed-back headphones are built to last judging by the fact that they are designed to withstand the rigors of the harsh conditions of professional use. Hence, they have exceptional durability.

Majority of the components of the headphone can be readily replaced if necessary; this is includes the detachable single-sided reinforced steel cable. So, if any of the parts of the headphones get damaged or misplaced, a replacement is commercially available for sale.

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  • Product weight (without cables) – 140 g
  • Type – Closed-type Lightweight headphones
  • Nominal Impedance – 70 ohms
  • Sound pressure level (SPL) – 120 dB
  • Frequency Response – 16 -22,000 Hz, -3 dB
  • Total harmonic distortion (THD) – <0.3%
  • Bandwidth – 16 Hz – 22 KHz
  • Continuous power (helmet) – 200 mW
  • Accessories – Jack Adapter 6.35 mm
  • Bluetooth – No
  • Noise reduction – No
  • Cable length – 1.5 m


  • It is very reasonably-priced and is very affordable for headphones of this quality
  • The sound quality of the headphone is very good and is not distorted at high volumes
  • It is robust and made from good quality materials
  • Can be used even in noisy areas thanks to its closed circuit
  • Its lightness makes it ideal for use over long periods of time
  • Besides a quality reference listening, it provides effective attenuation of ambient noise


  • Users may experience some discomfort when wearing glasses
  • The treble on the audio is a bit aggressive
  • the headphones can squeeze a little head and ears a little bit at first, even though they later expand to fit the shape of the head


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Final Verdict

The Sennheiser HD25-1 II Closed-Back Headphones are highly recommended for those who want a headset with great finishing quality and delivers excellent audio quality. They are very reliable and it is no surprise why they are the preferred headphones of real sound professionals who appreciate its strength and precision.

These closed, robust and isolating headphones are suitable for a number of purposes ranging from recording, reportage, broadcasting, TV, film, indoors or outside use; all of which further add to its appeal for DJs and other professionals.

The sound quality, construction and other characteristics of this internationally renowned helmet make it worth every single penny. It would definitely be a good buy.

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One Response to Sennheiser HD25-1 II Closed-Back Headphones Review

  1. Mathew Alexande says:

    Amazon f’d up my first order. I had to wait 1 whole week for them to re-send me a new pair of headphones. None the less, the product end up being great. Love wearing these and the noise cancellation is awesome. Great for listening to your favorite movies on your laptop with no interruption.

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