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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Image 57
Sennheiser instruction manual EZL 2020-20 L charging case Cat. No, Fsk

2020 specifications

In 2020, Sennheiser continued to cement its reputation as a leader in the audio industry with the launch of several innovative products that showcased cutting-edge technology and exceptional sound quality. Among the standout offerings were the Sennheiser Momentum True Wireless 2 earbuds, which combined premium sound with improved functionality and design.

The Momentum True Wireless 2 featured a sleek and compact design, offering enhanced comfort and a more secure fit for extended listening sessions. The earbuds were equipped with custom-engineered 7mm dynamic drivers that delivered rich, detailed sound with an emphasis on deep bass and clear treble. Sennheiser's superior sound engineering ensured that users experienced high-fidelity audio whether they were listening to music, making calls, or engaging in virtual meetings.

One of the standout characteristics of the Momentum True Wireless 2 was its active noise cancellation (ANC) technology. This advanced feature allowed users to immerse themselves in their audio without the distractions of the outside world. Additionally, the earbuds had a Transparency Mode, enabling listeners to hear their surroundings without having to remove the device, which was particularly beneficial for outdoor use or situations where situational awareness was crucial.

Battery life was another prominent feature of the Momentum True Wireless 2. With up to seven hours of playtime on a single charge and an additional 21 hours provided by the compact charging case, users could enjoy extended listening without frequent interruptions. The integration of the Sennheiser Smart Control app further enhanced the user experience, allowing for customization of sound profiles and access to features like EQ settings.

In 2020, Sennheiser also focused on professional audio solutions, including the introduction of new wireless microphone systems that catered to the needs of content creators and musicians. These systems embraced digital transmission technology, offering sophisticated features such as advanced frequency management and a robust transmission range.

Ultimately, Sennheiser's commitment to delivering exceptional audio experiences in 2020 was reflected in its blend of innovation and traditional craftsmanship. The company's dedication to quality, along with its adoption of modern technologies, ensured that users enjoyed an unparalleled listening experience across a diverse range of needs and preferences.