Sennheiser HD 490 PRO - Wearing and Specifications; Wearing Instructions; Product Specifications; Cleaning and Maintenance

Specifications
Changing headband | ear cushion | dust protection
Wearing
Cleaning
Ear coupling
Acoustic principle
Transducer principle
Transmission range
Weight
Max. sound pressure
level
Sensitivity
Rel. humidty
Transducer
Impedance
Distortion (THD)
Temperature range
Power rating
circumaural
open
dynamic
5 Hz to 36,100 Hz (-10 dB)
260 g (w/o cable)
128 dB SPL
105 dB SPL (1 kHz/1 Vrms)
96 dB SPL (1 kHz/1 mW)
operation: 10 to 80 %,
not condensing
storage: 10 to 90 %
38 mm
130 Ω (1 kHz)
<0.2 % (1 kHz, 100 dB SPL)
operation: +0 °C to 50 °C
storage: -25 °C to 70 °C
300 mW
(100h, noise IEC 60268)
(1 kHz 5% THD)
30°C
R
L