The HD 4.40 BT was made to go places with you – and make these places more pleasurable. With its around-ear design and deep, ergonomically designed ear pads it offers comfort even during extended listening sessions. Its robust foldable headband design that can be easily and compactly stored in the supplied protective case makes for perfect portability.
Elegantly minimalistic – using tough, high-quality materials: That is how the HD 4.40 BT was designed. Its sleek frame not only makes it more comfortable to wear, it also makes a statement of timeless class.
SKU: Sennheiser HD 4.40 BT - Wirele
Categories: HOME THEATRE, HEADPHONES, Over-Ear Headphones
Impedance | 18 Ω |
Frequency response (Microphone) | 100 - 10,000 Hz |
Frequency response | 18 - 22,000 Hz |
Sound pressure level (SPL) | 113dB (Passive: 1kHz/1Vrms) |
THD, total harmonic distortion | <0.5% (1kHz/100dB) |
Pick-up pattern | Dual omnidirectional microphones |
Battery Specification | Li-ion Polymer Battery |
Codecs | AptX |