Sennheiser HME 46, HMD 46 manual Specifications, Headphones, Microphone, General data

Specifications	HMD 46-3
Headphones
Transducer principle	dynamic, open
Ear coupling	supra-aural
Frequency response	20–14,000 Hz
Impedance	300 Ω per system
Characteristic SPL	95 dB SPL at 1 kHz, 1 mW, mono
	83 dB SPL at 1 kHz, 1 V
THD	< 1 % at 95 dB SPL
	(350–3,000 Hz)
Contact pressure	approx. 3 N
Microphone
Type	MD 46-413
Transducer principle	dynamic, noise-compensating
Frequency response	100–12,000 Hz
Output voltage	0.5 mV/Pa
Impedance	200 Ω
General data
Temperature range	Operation:	–15 °C to 55 °C
	Storage:	–55 °C to 70 °C
Weight without cable	150 g

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