Specifications - Sennheiser HD 450SE Instruction Manual

Specifications

34 | HD 450SE
Specifications
Model: SEBT4
Wearing style
Ear coupling
Transducer principle
Transducer
Frequency response
Sound pressure level (SPL)
THD (1 kHz, 100 dB SPL)
Microphone principle
Microphone frequency
response
Microphone pick-up pattern
(speech audio)
Power supply
Charging time of
rechargeable battery
Operating time
Temperature range
Relative humidity
Weight (headphones)
Magnetic field strength
Bluetooth
Version
Transmission frequency
Modulation
Output power
Profiles
Codec
Device name
Number of active
connections
Bluetooth® around-ear, closed-back
circum-aural
dynamic
32 mm
18 Hz to 22,000 Hz (-10 dB)
108 dB (1 kHz/0 dBFS)
< 0.3 % (1 kHz, 100 dB SPL)
MEMS
80 Hz to 6,000 Hz (-3 dB)
dual omni-directional microphones
2-mic beamforming array
built-in rechargeable lithium-polymer
⎓
battery: 3,7 V , 600 mAh
⎓
USB charging: 5 V , 500 mA max.
approx. 2 hours
30 hrs (music playback via Bluetooth
with ANC activated)
operation: 0°C to +40°C
charging: +10°C to +40°C
storage: –20°C to +60 °C
operation: 10 to 80 %, non condensing
storage: 10 to 90 %
approx. 238 g
1.9 mT
Bluetooth 5.0 compatible, class 1, BLE
2,402 MHz to 2,480 MHz
GFSK, π/4 DQPSK, 8DPSK
12.6 mW (max)
HSP, HFP, AVRCP, A2DP
aptX, aptX LL, AAC, SBC
HD 450SE
LE-HD 450SE (Bluetooth Low Energy
only)
2