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Sennheiser HD-25 Aluminium
- Superb sound quality featuring tight bass, smooth midrange and detailed treble. Capable of delivering very high sound pressure levels (120 dB).
- Closed back, on ear design provides high attenuation of background noise with no sound leakage. (Contact pressure approximately 3.2N).
- High-grade machined aluminum ear cups help deliver both exceptional sound quality (> .3% THD) and durability. Rotatable ear cup provides one-ear monitoring.
- Lightweight yet extremely robust construction provides both wearing comfort and durability. 70-ohm impedance is a perfect match to home and studio monitoring audio equipment.
The HD 25 ALUMINUM is a special edition of the legendary HD 25 marking the 25th anniversary of our iconic DJ headphones. Defining the DJ headphone performance benchmark, the HD 25 accompanied successful careers of many famous professional DJs and remains a favorite to this day. It has not only served as a tool DJs have used over a long period of time, but also has become a legendary part of electronic music itself. The HD 25 ALUMINIUM commemorates this milestone by offering upgraded materials enhancing performance and comfort. 70-Ohm transducers are house in ear cups machined solid block of billet Aluminum. The structural rigidity of the Aluminum ear cups allows the transducers to deliver exceptional dynamics, extended treble response, detailed midrange and tight bass at up to 120-db SPL. The split headband and ear pads are covered in premium Japanese leather provided comfortable fit for extended sessions. A rotating ear cup allows for single ear monitoring. The single sided twin lead steel cable is fitted with a 3.5mm straight plug with a screw on 1/4″ adaptor. Like its namesake, the HD 25 ALUMINUM is built to deliver premium performance in the studio, at the club, or just for listening to your favorite tracks.
Impedance and Sensitivity
Impedance and sensitivity go hand in hand and represent the amount of power required to achieve a certain volume level. Lower impedance and higher sensitivities are better with lower power devices such as MP3 players or smartphones. The Sennheiser HD 25 Aluminium has a high impedance which may require an amp for best use.
The frequency response indicates the range of pitches the headphones can produce. Human hearing range is usually quoted at 20 Hz – 20kHz, with most music falling well within those bounds. With a closed operating principle and a solid low end frequency response, these headphones can handle a strong bass and would be great for listening to pop or rock music.
Weight is simply a user preference and metric of portability. It does not indicate higher quality headphones as some brands add unnecessary weight to their models. With that in mind, know that the Sennheiser HD 25 Aluminium is slightly heavier than the average on-ear headphone.
3.5mm is the most common input for headphones and is what you see connecting with MP3 players, smartphones, and laptops.
|Dimensions||24.384 x 20.066 x 9.144 cm|