The new closed-back Sennheiser HD 4.50BTNC headset delivers everything required by a music aficionado with an active lifestyle. There’s the stunning Sennheiser sound and the latest wireless technology, all crafted in an elegantly minimal yet robust design, made from the highest-quality materials. But most of all, Sennheiser’s NoiseGard™ active noise cancellation lets you enjoy your music in peace – everywhere.
When you enjoy the sound of the Sennheiser HD 4.50 Wireless, you enjoy the sound of your music. Period. The rest of the noisy world will be shut out by NoiseGard™, the active noise cancellation developed by Sennheiser. Thus, you can indulge in the refined sound reproduction of this great close-back headset: The rich details, the vividness and the powerful bass – brought to you by proprietary Sennheiser drivers.
Being out and about often means being apart from proper power outlets. Fortunately, the battery of the Sennheiser HD 4.50 Wireless lets you enjoy NoiseGard™-protected music for up to 19 hours (it lasts up to 25 hours with NoiseGard™ switched off).
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