The HD 25-SP II headphones from Sennheiser provide high-quality audio in a lightweight design, ideal for monitoring and recording applications. The headphones feature neodymium drivers and lightweight aluminum/copper voice coils to provide detailed, natural audio with a wide frequency response and high SPL capability.
The adjustable, padded headband fits virtually any head size, while the closed-back earcups and thick on-ear cushions block out unwanted ambient noise and provide lasting comfort. The detachable cable is made of steel for lasting durability and easy replacement. The standard 3.5mm plug and 1/4" adapter provide wide compatibility with a variety of consumer and professional audio devices.
| Type | On-Ear, Closed-Back, Dynamic |
| Frequency Range | 30Hz - 16kHz |
| Impedance | 60 Ohms |
| Sensitivity | 114dB |
| Maximum Input Power | 200mW |
| Total Harmonic Distortion (THD) | < 0.4% |
| Connectors | 3.5mm Stereo Mini Plug with 1/4" Adapter |
| Cable Length | 10' (3 m) |
| Weight | 4.1 oz (115g) (Without Cable) |