XS Wireless 1 DUAL is a 2-channel wireless system for singers and presenters. Designed with ease of use in mind, these analog UHF systems feature a sleek dual-channel receiver with built-in antennas and the streamlined interface from Sennheiser’s popular XS Wireless 1 series.
 
- Excellent live sound featuring Sennheiser’s renowned evolution microphone capsules
- Antenna-switching 2-channel diversity reception
- Integrated antennas
- Automatic frequency management and synchronization via remote channel for easy setup
- Selectable UHF frequencies within a large bandwidth
- Up to 10 compatible channels
System
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- Dimensions
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- Connector
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- Frequency response
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- THD, total harmonic distortion
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- Transducer principle
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- Weight
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- Pick-up pattern
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- Nominal impedance
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- Min. terminating impedance
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- Storage temperature
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- Operating temperature
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- Signal-to-noise ratio
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- Switching bandwidth
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- Modulation
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- Frequency
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80 factory presets (8 banks of 10 channels each) 
 
 
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- Sensitivity
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1.8 mV/Pa (free field, no load at 1 kHz) 
 
 
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- Synchronization
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Transmitter: 2.4 GHz, low power OQPSK (only active during synchronization) 
 
 
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- Temperature Range
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0 °C … +40 °C (+32 °F … +104 °F) 
 
 
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- Frequency range
 
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- Frequency response
 
EM-XSW 1 DUAL
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- Dimensions
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approx. 320 x 126.5 x 42 mm 
 
 
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- Weight
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- Power supply
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- Output voltage
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(at peak deviation, 1 kHz AF) 1/4“ (6.3 mm) socket (unbalanced): +6 dBu 
 
 
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- Housing
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- Sensitivity
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< 3 μV at 52 dB(A) rms S/N (at peak deviation) 
 
 
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- Squelch
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Adjustable from 3 dBμV to 28 dBμV 
 
 
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- AF frequency response
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- Audio adjustment range
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45 dB, adjustable in 5 dB steps 
 
 
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- Line / Mic level
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- Receiver Principle
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- Diversity principle
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Antenna switching diversity via internal antennas 
 
 
SKM 825-XSW / SKM 835-XSW
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- Dimensions
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- Microphone
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- Weight
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- Pick-up pattern
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- RF output power
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- Operating time
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- Power supply
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2 AA size batteries, 1.5 V 
 
 
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- Housing
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- Sensitivity
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0 to -30 dB, adjustable in 10 dB steps 
 
 
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- Input sensitivity
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- AF frequency response
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