Specifications - Sennheiser HD 4.50BTNC, HD 4.50R Instruction Manual

Specifications

Specifications
HD 4.50BTNC/HD 4.50R Wireless
Ear coupling
Frequency response
Transducer principle
Sensitivity (microphone)
Sound pressure level (SPL)
THD (1 kHz, 100 dB)
Pick-up pattern
Noise compensation
Input power
Operating time
Charging time
Weight
Battery
Connectivity
Audio cable
(optional/detachable)
Connector
Maximum value of the static mag-
netic field at the surface
closed, circumaural
18 - 22,000 Hz
dynamic
100 - 10,000 Hz
113 dB (1 kHz / 1 V )
rms
< 0.5%
dual omni-directional microphones
NoiseGard™ active noise cancellation
3.7 VDC, 600 mAh: built-in rechargeable
Lithium-Polymer battery
5 VDC, 400 mA: USB charging
19 hours (Bluetooth and NoiseGard on)
25 hours (Bluetooth only)
approx. 2 hours
approx. 238 g
Lithium Polymer
Bluetooth version 4.0/NFC pairing
1.4 m audio cable, 3.5 mm angled plug,
gold-plated
USB charging cable
2.4 mT
HD 4.50BTNC/HD 4.50R | 33