Sennheiser HD 25
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Sennheiser
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The Sennheiser Legend at the Heart of the HD 25 Range
A symbol of mobile monitoring, the Sennheiser HD 25 has accompanied generations of DJs and sound engineers. Available in "Light," "HD 25," and "HD 25 Plus" versions, it stands as the brand's iconic model for precise control in the field. This version replaces the "HD 25-1-II Basic Edition" while retaining the renowned sound signature known for its neutrality and fast transient response.
Who Is It For and What Are Its Uses?
Designed for club and mobile DJs, camera operators, reporters, and sound engineers, the HD 25 excels wherever ambient noise levels are high. In mixing booths, control rooms, TV studios, outdoor reporting, or studios, its maximum sound pressure level and targeted isolation allow reliable detection of transients, kicks, and vocals without excessive fatigue.
Features and Innovations
The HD 25 is a closed-back dynamic supra-aural headphone that combines lightness and durability for intensive use. The aluminum voice coil transducers offer high sensitivity and excellent power handling, with agile response across the entire spectrum. The right earcup swivels to facilitate instant cueing, while the 1.5 m detachable single-sided cable reduces clutter and simplifies maintenance. The 3.5 mm mini-jack connector with a 6.3 mm adapter ensures compatibility with players, audio interfaces, mixing consoles, and DJ controllers. With a max SPL of 120 dB and low distortion, it delivers precise control of bass and mids even in club environments.
Technical specifications
| Format | supra-aural |
| Impedance | 70 Ω |
| Adjustable headset | Yes |
| Color | Black |
| Frequency response | 16 - 22000 Hz |
| Maximum SPL | 120 dB (1 kHz, 1 Vrms) |
| Total harmonic distortion at 1 kHz | less than 0.3% |
| Nominal power | 200 mW |
| Weight without cable | 140 g |
| Cable length | 1.5 m |
Questions frequently asked
Is the Sennheiser HD 25 suitable for club DJ mixing?
Its maximum sound pressure level of 120 dB at 1 kHz for 1 Vrms allows control of kick drums and vocals in a loud sound environment. The swiveling right ear cup facilitates one-ear cueing. Its closed, supra-aural design provides targeted isolation.
What connectivity is provided with this headset?
The detachable single-sided 1.5 m cable ends with a 3.5 mm mini-jack. A 6.3 mm adapter is included for connection to mixers, audio interfaces, and DJ controllers.
Is the HD 25 cable replaceable?
The 1.5 m cable is detachable, which simplifies maintenance in case a replacement is needed.
What is the impedance of the HD 25 headset?
The specified impedance is 70 Ω. The aluminum voice coil transducers support a nominal power of 200 mW.
Is it suitable for reporting and mobile monitoring?
Weighing 140 g without cable, this model limits load during transport. Its frequency response ranges from 16 Hz to 22 kHz. Total harmonic distortion at 1 kHz is less than 0.3%.



