The HD 4.50 BTNC is a wireless headset employing Bluetooth 4.0, aptX and NoiseGard active noise cancelling technologies to deliver exceptional wireless Hi-Fi sound. Sennheiser’s HD 4.50BTNC headset introduces high-quality wireless sound for every day listening on the move. The closed-back, around-ear headset is the perfect companion for cable-free listening with mobile devices.
This headset offers ease of use and convenience Thanks to intuitive ear-cup mounted controls for changing tracks and for making calls via the integrated microphone. Wearing comfort is assured by their ergonomically designed ear pads. A battery-free listening mode is also possible via a supplied detachable cable. Pick-up pattern dual omnidirectional microphones.
With long-lasting battery life, robust high-quality build and a compact foldable design for storage in the supplied protective case, the HD 4.50BTNC is the perfect companion for an active lifestyle on the move.
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