Sennheiser HDE 2020 D stethoset receiver Cat. No, HDE 2020 D-USstethoset receiver Cat. No

Specifications

HDE 2020 D stethoset receiver (Cat. No. 500543)

HDE 2020 D-US stethoset receiver (Cat. No. 500544)

EK 2020 D receiver (Cat. No. 502035)

EK 2020 D-US receiver (Cat. No. 502036)

			HDE 2020 D	EK 2020 D
Modulation			2 FSK	2 FSK
Frequency range			863–865 MHz	863–865 MHz
Frequency range (US)			926–928 MHz	926–928 MHz
Channels	6			6
AF frequency response			100–7,000 Hz	100–7,000 Hz
Headphone output power	–			max. 10 mW/ 32:
Min. headphone impedance		32 :		32 :
THD at 1 kHz	< 1%			< 1%
Operating time			typ. 8 hrs	typ. 16 hrs
Power supply			Lithium-Polymer	Lithium-polymer
			rechargeable battery,	rechargeable battery,
			830 mAh	1500 mAh
Ambient temperature			0–50°C	0–50°C
Dimensions approx.		245 x 125 x 20 mm		975 x 604 x 243 mm
Weight			approx. 70 g	approx. 75 g

EZL 2020-20 L charging case (Cat. No. 500542)

Ambient temperature during charging	0–40°C
Mains voltage	100–240 VAC (50/60 Hz)
Primary power consumption	max. 70 W
Charging voltage for HDE 2020 D	typ. 5 V
Charging current per charging
compartment for HDE 2020 D	typ. 400 mA
Charging time HDE 2020 D	approx. 2.5 hrs
Charging time EK 2020 D	approx. 5 hrs
Charging voltage for SK 2020 / BA 2015	max. 3.4 V
Charging current per charging
compartment for SK 2020 / BA 2015	typ. 500 mA
Charging time SK 2020 / BA 2015	approx. 3.5 hrs
Dimensions	approx. 600 x 270 x 380 mm
Weight (empty)	approx. 8.3 kg

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