- Successor of the following Sennheiser headphones: HD 25-II, HD 25-1-II, HD 25-C-II, HD 25-13-II, HD-25 Aluminium
- Dynamic
- Closed-back
- Supra-aural
- Impedance: 70 thomann Ohm
- Max. SPL: 120 dB (1 kHz,1 Vrms)
- Frequency range: 16 - 22000 Hz
- Total harmonic distortion at 1 kHz: <0.3%
- Max. input level: 200 mW
- Single sided cable
- Rotatable ear cups
- Split headband design
- 1-3 m coiled cable
- Stereo jack 3.5 mm with 6.3 mm adapter
- Weight without cable: 140 g
- Additional accessories: 1.5 m straight steel wire thomann cable, a pair of soft ear pads and a carrying bag
- Successor of the following Sennheiser headphones: HD 25-II, HD 25-1-II, HD 25-C-II, HD 25-13-II, HD-25 Aluminium
- Dynamic
- Closed-back
- Supra-aural
- Impedance: 70 thomann Ohm
- Max. SPL: 120 dB (1 kHz,1 Vrms)
- Frequency range: 16 - 22000 Hz
- Total harmonic distortion at 1 kHz: <0.3%
- Max. input level: 200 mW
- Single sided cable
- Rotatable ear cups
- Split headband design
- 1-3 m coiled cable
- Stereo jack 3.5 mm with 6.3 mm adapter
- Weight without cable: 140 g
- Additional accessories: 1.5 m straight steel wire thomann cable, a pair of soft ear pads and a carrying bag