Sennheiser Wireless Bluetooth Headphone HD 4.5 BT NC
The new closed-back Sennheiser HD 4.50 BTNC 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.
HD 4.50 BTNC
This new headset was designed after the requirements of demanding listeners who are not content to just hear their music on the go, but want to enjoy it, no matter where. So we gave it our NoiseGard™ active noise cancellation – the power to eliminate any noise that could come between you and your music, which the HD 4.50 Wireless delivers to you in the renowned Sennheiser sound.
Only your music gets in your ears
When you enjoy the sound of the 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.
Comfort on every street
Streetwise, the HD 4.50 Wireless combines supreme comfort and maximum portability. With its around-ear design and deep, ergonomically designed ear pads it allows you to enjoy the most extended of listening sessions. While its robust foldable headband design can be neatly stowed away in the included protective case.
The joy of a long-lasting battery
Being out and about often means being apart from proper power outlets. Fortunately, the battery of the 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 Frequency response
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