Sennheiser HD 25-SP-II Review

Sennheiser HD 25-SP-II Review

Some reviews are more difficult than others, especially if they are real classics that don’t need any introduction. We are talking about the current edition of the long-running hit in the DJ / Stage / Field area, the Sennheiser HD 25. The series has recently been streamlined after there were countless models of different equipment and accessories. Three models have remained: the HD 25 and HD 25 Plus, and the HD 25 Light. The former now replace all variants of the 2nd generation, except for the HD 25-SP-II (now the HD 25 Light).

PROS:

  • Superb isolation
  • Low THD
  • Field repairs possible without tools
  • Generally very durable

CONS:

  • U-shaped sound signature
  • Not exactly comfortable
  • The cable connection to the earcup is a known failure point
  • Treble rolls-off after 15kHz

To address it straight away, the two headphones are identical and only differ in the accessories supplied. The HD 25 Plus is also supplied with the following accessories:

  • A light
  • Unpadded plastic bag
  • The second pair of velour ear cushions
  • An additional smooth 1.5-meter cable

The 3-meter spiral cable variant is installed as standard with the Plus. If you add up the individual prices, you save around 12 euros with the Plus version.

There were seven different models before the “slimming.” Now there are only these two (plus the Light). It is also interesting that no model designation III was introduced. Instead, it is now called HD 25 or HD 25 Plus.

What’s new on the Sennheiser HD 25

What is there to improve on an already excellent product? Well, details. At first glance, apart from the different printing, there is no obvious difference to be seen. The model name and the impedance of the capsules are on the bracket. Like the two series, the current one is also produced in Ireland. Made in Germany was only available in the first series. The small but decisive difference lies in the cable fastening. The new HD 25 clamps the cables with a squeezing mechanism, which is now fastened with small Allen screws. The advantage is, of course, that you can tighten these more firmly than the Phillips screws on the previous models. Unfortunately, a corresponding Allen key is not included. For the price, it could have been possible.

This is the only difference between the plus version. This has a different fastening mechanism for the spiral cable installed as standard. This construction, which leads both supply lines to the capsules individually, promises a significantly longer service life than the other variant. The HD 25 Plus also contains the “normal” 1.5-meter long connection cable. This is then fastened again with the known squeezing mechanism. This may not be a problem at all at first. However, after a few years of use, the sheath tends to part in one direction (BILD). I would have liked a solution similar to the spiral cable because this variant will not show such dissolution phenomena. To do this, however, you would have to change the cable of the 1.5-meter variant.

The long-running Sennheiser HD 25

The HD 25 is still completely modular, and all parts can be repaired without a service workshop. The previous spare parts all remain compatible. Anyone who uses the HD 25 in everyday DJ life knows the weak point of the synthetic leather upholstery – sweat! If you travel a lot and hang up in clubs, sweating cannot be avoided. The said artificial leather upholstery suffers from this and dissolves at some point. The same goes for the top pad. Fortunately, the corresponding spare parts are affordable at 12 euros for two ear pads and 6 euros for the head pads.

Sound and comfort

In terms of sound, the basic characteristics have not changed. An always balanced sound image also allows the assessment of deep bass with a precise presence range and effortless but good treble markings. However, the attainable sound pressure of 120 dB is, as always, almost alarming. This can permanently damage the hearing if it is used incorrectly or if the sound is mishandled. The advantage: Thanks to the good attenuation of outside noise with the close-fitting ear pads combined with these power reserves, you can still concentrate fully on the music even in the loudest surroundings.

The wearing comfort is predestined for DJing. The listeners are firmly on the ears with 2.5 N. By occasionally removing the receiver. You can then wear it comfortably for a long time. In eavesdropping situations, however, the pressure becomes a bit unpleasant after a long time. You get the proverbial “hot” ears. So regular breaks are the order of the day.

CONCLUSION

The third edition of the long-running Sennheiser HD 25 headphones does not contain any surprises, and that is exactly what I would like to emphasize positively. There are no negative surprises either. I don’t find it tragic that the product range has been reduced. It is rather a simplification and helps overview the differences in the product range and the respective accessories. So there is now only one HD-25, which still stands for reliability, durability, and a transparent sound. I’ve had my 1 Series for almost 20 years, and all I had to do was change the upholstery twice. Thus price/performance: exemplary.

Sennheiser HD 25-SP-II Review
Sennheiser HD 25-SP-II Review

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