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FEATURES

Sturdy metal housing

   

42 MHz bandwidth: 1680 tunable UHF 

   

frequencies for interference-free reception

Enhanced frequency bank system with up 

   

to 24 compatible frequencies

Pilot tone squelch for eliminating RF inter-

   

ference when transmitter is turned off

Enhanced AF frequency range

   

Increased range for audio sensitivity

   

Wireless synchronization of transmitters 

   

via infrared interface from receiver

User-friendly menu operation with more 

   

control options

Illuminated graphic display

   

Auto-Lock function avoids accidental 

   

changing of settings

HDX compander for crystal-clear sound

   

Transmitter features battery indication in 

   

4 steps, also shown on receiver display

Programmable Mute function

   

Contacts for recharging BA 2015  

   

accupack directly in the transmitter

Wide range of accessories adapts the 

   

system to any requirement

Optimized PLL synthesizer and  

   

microprocessor technology

True diversity technology

   

Increased immunity to intermodulation 

   

and interferences in multi-channel ope-
ration

ARCHITECT

S

SPECIFICATIONS

The compact bodypack transmitter shall be  
for use with a companion receiver as part of  
a wireless RF transmission system. 
The transmitter shall operate within six  
UHF frequency ranges, each with a 42 MHz  
switching bandwidth: 516 – 558 MHz, 
566 – 608 MHz, 626 – 668 MHz, 734 –776 MHz, 
780 – 822 MHz, 823 – 865 MHz; transmission 
frequencies shall be 1,680 per range and shall 
be tunable in 25 kHz steps.

Continued on page 2

While it is ready for operation right out of the box, the 
SK 300 G3 easily receives settings from the receiver via 
its enhanced wireless sync function. This transmitter 
also sets itself apart from others due to its unparalleled 
mute options. If you want to quickly and easily interrupt 
the sound signal at some point: you can simply attach 
the optional external mute button to the additional  
2.5 mm jack socket. This mute option is easily program-
med to provide a variety of mute options. 

TECHNICAL DATA

Modulation ...............................................................wideband FM
Frequency ranges.................................................... 516 – 558, 566 – 608, 626 – 668, 

734 –776, 780 – 822, 823 – 865 MHz

Transmission frequencies ..................................... 1,680 frequencies, tuneable 

in steps of 25 kHz 
20 frequency banks, each with up to 
24 factory preset channels 
6 frequency banks, each with up to 
24 user programmable channels

Switching bandwidth .............................................42 MHz
Nominal/peak deviation .......................................±24 kHz/±48 kHz
Frequency stability ................................................. 

 ±15 ppm

RF output power at 50 

O

, switchable ................ typ. 10 mW (low) 

typ. 30 mW (standard)

Pilot tone squelch ...................................................can be switched off

Compander system .................................................Sennheiser HDX
AF frequency response .......................................... microphone: 80 – 18,000 Hz 

line: 25 – 18,000 Hz

Signal-to-noise ratio (1 mV, peak deviation) ...

 115 dBA

THD .............................................................................

 0.9 %

Max. input voltage microphone/line ..................3 Vrms
Input impedance microphone/line .....................40 k

O

, unbalanced/1 M

O

Adjustment range of input sensitivity ..............60 dB, adjustable in 3-dB steps

Temperature range .................................................−10 °C to +55 °C
Power supply............................................................ 2 AA size batteries, 1.5 V or  

BA 2015 accupack

Nominal voltage ......................................................2.4 V 

Continued on page 2

SK 300 G3 

Wireless bodypack transmitter

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