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Cat. No. 003759  

HD 25 SP

Headphones |

 DJ & Studio Headphones

General Description

The HD 25 SP are closed dynamic headphones for monitoring, recording 
and outdoor applications. They are a lower-cost alternative to the HD 25, 
featuring a simpler headband and a slightly different capsule design.

Features

Very lightweight, comfortable even if used for long periods

Effective attenuation of background noise 

High maximum sound pressure level

85 

 nominal impedance ensures universal compatibility

Tough, detachable stranded steel cable

j  

Neodymium ferrous magnet systems and lightweight 
aluminium/copper voice coils for fast transient response

Recommended Accessories

j

 HZR 62 stereo volume control (for HD 25 SP-1 only) 

Cat. No. 005248

Replacement Parts

j

 Ear pads (1 pair) 

Cat. No. 075525

j

 Velour ear pads (optional) (1 pair) 

Cat. No. 069417

Product Variants

j

  HD 25 SP-1: as HD 25 SP, but with 3.5 mm / 

1/4” stereo jack and 65 

 nominal impedance 

Cat. No. 004173

Technical Data

Frequency response ..................... 30 – 16,000 Hz (– 3 dB/1 kHz)
Transducer principle................................................ dynamic, closed
Nominal impedance ....................................................................85 

Characteristic SPL .....................................112 dB (at 1 khz, 1 V

rms

)

Load rating.................................................................................. 0.2 W 
THD ............................................................................................ < 0.4 %
Ear coupling ...................................................................... supra-aural
Contact pressure.............................................................. approx. 3 N
Weight (without cable)............................................................ 115 g
Connector ........................................... 1/4” (6.3 mm) Ø stereo jack
Connection cable.......... 3 m, detachable, dual-sided steel cable

30-16,000 Hz

85 

< 0.4 %

115 g

6.3 mm

steel

3 m

Diffuse Field Frequency Response

Profile

Closed dynamic headphones for monitoring in noisy environ-
ments, high sensitivity, sound pressure level 100 dB. Frequen-
cy response 30 Hz to 16 kHz, THD < 0.4  %, nominal impedance 
85 

, load rating 0.2 W. 3 m steel cable with 1/4” (6.3 mm) 

stereo jack plug.

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