SENNHEISER Pro Audio XSW 2-ME3-B

​Wireless 2 Headset Microphone System 

For Singer, Performer Applications 
ME3-2 Headset Microphone 
True Diversity Receiver 
Up to 12 Compatible Channels 
External Antennas 
Automatic Frequency Synchronization 
Remote Channel for Easy Setup 
Tunable Over a Range of UHF Frequencies 
Includes Rackmount Kit and Carry Pouch 
AA Batteries and AC Power Supply 

specs 
System 
Modulation Wideband FM 
Frequency Range 614-638MHz 
Switching Bandwidth Up to 24 MHz 
Frequencies Adjustable in 25-kHz steps 
8 frequency banks, each with up to 12 factory-preset channels 
Signal to Noise Ratio ? 103 dBA 
Total Harmonic Distortion (THD) ? 0.9% 
Temperature Range Operation: 32 to 104°F (0 to +40°C) 
Storage: -4.0 to 158°F (-20 to +70°C) 
Transmitter Synchronization 2.4 GHz, low power OQPSK (only active during synchronization) 

Receiver

 
Principle of Operation Double superheterodyne 
Diversity Method True diversity 
Sensitivity < 3 µV at 52 dBA rms S/N at (peak deviation) 
Frequency Response 50 Hz to 16 kHz (-3 dB) 
Maximum AF Output Voltage At peak deviation, 1 kHz AF 
1/4" (6.3 mm) Jack Socket (Unbalanced): +6 dBu 
XLR Socket (Balanced): +12 dBu 
At peak deviation, 1 kHz AF 
Adjustment Range Audio: 40 dB, adjustable in 5-dB steps 
Power Supply 12 VDC nominal/300 mA 
Squelch Adjustable from 3 dB? V to 28 dB? V (combined with pilot tone) 
Line/Mic Level 20 dB, switchable 
Housing Material Rugged metal housing 
Dimensions (W x H x D) 7.9 x 1.7 x 5.0" (200 x 42 x 127 mm) 
Weight 24 oz (680 g) 

Transmitter 

RF Output Power 10 mW 
AF Frequency Response 50 Hz to 16 kHz (Line) 
80 Hz to 16 kHz (Mic) 
Audio Input 1/8" (3.5 mm) jack socket 
Line: Typ. 2.6 V rms @ -30 dB gain 
Power Supply 2 x AA size batteries, 1.5 V 
Operating Time Approximately 10 hours 
Housing Material Rugged ABS housing 

Microphone 
Transducer Principle Condenser, pre-polarized 
Sensitivity 1.6 mV/Pa 
Pickup Pattern Cardioid 
Maximum SPL 150 dB