




🎧 Elevate your audio game — because your ears deserve the best.
The Sennheiser HD 400S is a sleek, over-ear headphone designed for professionals who demand premium sound quality and seamless control. Featuring an 18 Ω impedance, 120 dB sound pressure level, and an omnidirectional microphone, it delivers crystal-clear audio and voice capture. Lightweight at 217g with a smart remote and retractable cable, it offers comfort and convenience for multimedia, calls, and music across all compatible devices.







| Connectivity technology | Wired |
| Wireless communication technology | Bluetooth |
| Included components | HD 400S around-ear headphones, RCS 400 detachable single-sided cable with 1-button remote and 3.5 mm angled plug, Safety Guide, User Manual |
| Age range (description) | Adult |
| Material | Plastic |
| Specific uses for product | Music, Calls |
| Recommended uses for product | Multimedia |
| Compatible devices | All Headphones |
| Control type | Remote |
| Cable feature | Retractable |
| Item weight | 7.65 Ounces |
| Water resistance level | Not Water Resistant |
| Package type | FFP |
| Unit count | 1.0 Count |
| Style | Closed |
| Control method | Remote |
| Number of items | 1 |
| EU Spare Part Availability Duration | 2 Years |
| Product Dimensions | 15.24 x 5.08 x 5.08 cm; 216.87 g |
| Batteries | 1 Lithium Ion batteries required. |
| Item model number | HD 400S |
| Connector | 3.5mm Jack |
| Material Type | Plastic |
| Size | One Size |
| Speaker Diameter | 3 centimetres |
| Voltage | 28 Volts |
| Wattage | 50 watts |
| Item Weight | 216 g |