Product Specification

PRODUCT SPECIFICATION
SpeechLine Digital Wireless
SL Bodypack DW
2/3
DIMENSIONS
ARCHITECT‘S SPECIFICATION
The bodypack transmitter shall be for use with a compa-
nion receiver as part of a wireless RF transmission system
and shall operate in the license-free 1.9 GHz band (fre-
quency ranges shall be from 1,880 to 1,930 MHz depending
on country-specific regulations).
The transmitter shall feature an LC display showing the
name of the wireless link, battery status, RF output power,
and reception quality.
The transmitter’s microphone/line input shall utilize a
lockable 3.5 mm jack socket. The AF frequency response
shall range from 50 – 20,000 Hz (mic) or from 20 – 20,000
Hz (line). Maximum input level shall be 2.2 Vrms (mic) or
3.3 Vrms (line). Input impedance shall be 1 MΩ (line). The
dynamic range shall be > 120 dB(A). Total harmonic distor-
tion (THD) at 1 kHz shall be typical 0.1 %. Signal-to-noise
ratio shall be > 90 dB(A). RF output power shall be adap-
tive and up to 250 mW (country-specific). The transmitter
shall have automatic sensitivity adjustment.
The transmitter shall be powered by either one Sennheiser
Lithium-Ion rechargeable accupack with a typical opera-
ting time of 15 hours or with an optional battery case for
two 1.5V AA size batteries.
Dimensions shall be approximately 100 x 65 x 24 mm
(3.94“ x 2.56“ x 0.94“). Weight (without accupack) shall be
approximately 88 grams (3.10 oz). Operating temperature
shall range from -10 °C to +55 °C (+14 °F to +131 °F).
The bodypack transmitter shall be the Sennheiser
SL Bodypack DW.
The microphone suitable for use with the bodypack trans-
mitter shall be a condenser type with an omni-directional
pick-up pattern and a sensitivity of 5 mV/Pa. Maximum
sound pressure level shall be 142 dB SPL. The clip-on
microphone shall be the Sennheiser MKE 1 and the headset
microphone shall be the Sennheiser SL Headmic 1.