Specifications - Sennheiser MM 450 Instruction Manual

Specifications

Transducer principle
Ear coupling
Frequency response
Nominal impedance
active/passive
Sound pressure level at
1 kHz and 1 Volt
THD at 1 kHz
Audio connection
Audio adapter
In-flight adapter
Cable length
Audio cable
Charging cable
Weight
BA 370 PX battery pack
Charging time
Operating time
Operating temperature range
Storage temperature range
Passive noise attenuation
NoiseGard active noise
compensation
PSC 03R-050 mains unit
Nominal input voltage
Nominal input current
Mains frequency
Nominal output voltage
Nominal output current
Operating temperature range
Storage temperature range
Relative humidity
Weight
Bluetooth
®
Bluetooth
Range
Transmission frequency
Transmission power
Protocoles
Codecs
Specifications
dynamic, closed
supra-aural
15–22,000 Hz
590/100 Ω
107 dB SPL
< 0.1%
3.5 mm stereo jack socket
6.35 mm stereo jack plug
3.5 mm double mono jack plug
1.4 m
0.8 m
105 g
3.7 V; 250 mAh Lithium-Polymer
3 hrs
8 hrs/10 hrs/20 hrs
0°C to +40°C
–10°C to +70°C
25 dB
23 dB
110–240 V~
max. 0.2 A
50–60 Hz
5 V
max. 0.5 A
0°C to +45°C
−40°C to +85°C
20 to 90%
approx. 61 g
version 2.1 + EDR
up to 10 m
2.4 GHz
8 dBm
A2DP, AVRCP
SBC
25