Audio-Technica ATH-M50xBT2 Wireless Over-Ear Headphones (Black) - Manual (Page 28)

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Specifications
Headphones
Type Closed-back dynamic
Driver 45 mm
Sensitivity 99 dB/mW
Frequency response 15 to 28,000 Hz
Impedance 38 ohms
Microphone
Type MEMS type
Polar pattern Omnidirectional
Sensitivity -38 dB (1 V/Pa, at 1 kHz)
Frequency response 85 to 15,000 Hz
Communication specifications
Communication system Bluetooth version 5.0
Maximum RF output 5.1 mW EIRP
Maximum communication
range
Line of sight - approx. 10 m (33')
Frequency band 2.402 GHz to 2.480 GHz
Modulation method GFSK, Pi/4DQPSK, 8DPSK
Spread spectrum method FHSS
Compatible Bluetooth profiles A2DP, AVRCP, HFP, HSP
Supported codec LDAC, AAC, SBC
Supported content protection
method
SCMS-T
Transmission band
20 to 40,000 Hz (when LDAC 96 kHz sampling, 990 kbps)
20 to 20,000 Hz (when 44.1 kHz sampling)