Sennheiser SR 2020-D Dimensions

Modulation 2-FSK

RF frequency range 926 -928 MHz

Number of channels 6 / 8

RF output power 1 mW

Signal-to-noise ratio > 70 dB(A)

Total harmonic distortion ≤1%

Input voltage range max. 2 V (Line), max. 100 mV (Mic)

Phantom power 48 V

Current consumption max. 300 mA

Temperature range (operation) 0 - 50° C

Range 80 ft. indoors, 160 ft. outdoors

Dimensions 8.35 x 5.71 x 1.5 inches (1/2 19” x 1U)

Weight 2.43 lbs

Up to 8 available channels in the license-

free ISM band

19” rack-mount kit included

Intuitive configuration menu

Backlit display indicates selected channel

and microphone or line level

Balanced XLR-3F input, switchable mic/line

Switchable 48 V phantom powering

supports professional condenser mics

¼” (6.3 mm) headphone socket for front-

panel monitoring

KEY FEATURES TECHNICAL DATA

Digital Rack-mountable transmitter

SR2020-D-US

The SR 2020-D-US rack-mountable transmitter is designed for installed and rental applications. With up to eight

available channels, assistive listening, visual description and even multiple languages are easily supported. Via an XLR

input, external sound sources such as audio from CDs, DVDs or a PC network can be fed into the transmitter. Alternately,

podium microphones such as the IS Series may be connected with phantom power provided by the transmitter. The

configuration menu is easy and intuitive to operate; the backlit display shows important settings such as selected

channel, and microphone or line level.

About the 2020-D Digital RF System

The SR 2020-D-US transmits reliable, high-quality digital RF audio to the HDE 2020-D-US receivers. The HDE 2020-D-US

features a lightweight design, automatic operation, and easy-to-adjust channel and volume levels. The receiver includes

a rechargeable battery which offers up to eight hours of use and quickly recharges in less than 3 hours! The HDE

2020-D-US receivers may be conveniently charged and stored with the EZL2020-20L, or the new L2021-40 rack-mount

charger.

Digital Rack-mountable transmitter

SR2020-D-US

Sennheiser Electronic Corporation

1 Enterprise Dr • Old Lyme, CT 06371

(860) 434-9190

ARCHITECT SPECS

The transmitter must utilize the ISM band frequencies of 926 – 928 MHz for transmission of up to eight audio channels,

with an AF frequency response of 100–7,000 Hz. It must be rack-mountable and have a headphone monitoring jack

and volume control for front panel monitoring by the technician. It must accept mic or line level audio input via XLR-3

connector, with phantom power optional. It must be easy to install using DC input for power supply and a BNC connector

for connecting an antenna. It must have a backlit display indicating signal source, source level, selected channel and lock

mode. It must be easily configured via set and menu up/down buttons.

The SR 2020-D-US is a digital RF information system that is ideal for assistive listening and language transmission.

Designed for a variety of installed and rental applications, the system offers premium-quality sound with the added

freedom and versatility of RF wireless transmission technology.

APPLICATIONS:

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