Sennheiser XSW 1-ME2 UHF Lavalier Microphone Set (A: 548 to 572 MHz)

Model #XSW 1-ME2-A

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Temperature Range Operation: 32 to 104°F (0 to +40°C)
Storage -4 to 158°F (-20 to 70°C)
Transmitter Synchronization 2.4 GHz, Low Power OQPSK (only active during synchronization)
Frequency Range A: 548 to 572 MHz
Switching Bandwidth Up to 24 MHz
Signal to Noise Ratio ≥ 103 dBA
Modulation Wideband FM
Total Harmonic Distortion ≤ 0.9%


Squelch Adjustable from 3 dBμV to 28 dBμV (combined with pilot tone)
Line/Mic Level 20 dB, switchable
Material of Construction ABS housing
Weight 12 oz (340 g)
Dimensions (W x H x D) 7.9 x 1.7 x 5.0" (200 x 42 x 127 mm)
Principle Double superheterodyne
Diversity Antenna switching diversity via internal antennas
Sensitivity < 3 μV at 52 dBA RMS S/N (at peak deviation)
Frequency Response 50 Hz to 16 kHz (-3 dB)
Max Output Voltage At Peak Deviation, 1 kHz AF 1/4" (6.3 mm) Jack Socket (unbalanced): +6 dBu XLR Socket (balanced): +12 dBu
Adjustment Range Audio: 45 dB, adjustable in 5-dB steps
Power Supply 12 VDC nominal, 300 mA

Packaging Info

Package Weight 2.85 lb
Box Dimensions (LxWxH) 13.6 x 13.3 x 3.5"

Lavalier Microphone Specs

Microphone Type Condenser, pre-polarized
Sensitivity 20 mV/Pa
Polar Pattern Omnidirectional
Max SPL 130 dB

Bodypack Transmitter

Adjustment Range Transmitter Sensitivity: 0 to -30 dB, adjustable in 10 dB steps
Material of Construction Rugged ABS housing
Output Power 10 mW
Weight 3.4 oz (95 g)
Dimensions (W x H x D) 2.8 x 3.8 x 1.1" (71 x 96 x 28 mm)
Frequency Response Line: 50 Hz to 16 kHz Mic: 50 Hz to 16 kHz
Audio Input 1/8" (3.5 mm) jack socket
Input Voltage Mic/Line at 3% THD: Typ. 1.V RMS mic / typ. 2.6 V RMS line at -30 dB gain
Power Supply 2 x AA batteries, 1.5 V
Operating Time Approximately 10 hours
Product Highlights
  • SK-XSW Bodypack Transmitter
  • EM-XSW 1 UHF Receiver
  • ME2-2 Lavalier Microphone
  • Antenna-Switching Diversity Reception
  • Automatic Frequency Management
  • Selectable UHF Frequencies
  • Up to 10 Compatible Channels
  • Integrated Antennas
  • 2 x AA Batteries are Included
  • NT 12-5 CT Power Supply
In The Box
  • Sennheiser XSW 1-ME2 UHF Lavalier Microphone Set (A: 548 to 572 MHz)
  • ME 2-2 Lavalier Microphone
  • NT12-5 CW Power Supply
  • 2 x AA Batteries
  • Limited 2-Year Warranty
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