


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 | |
| Frequency range | 606-630 MHz |
| Dimensions | Ø 48 x L 180 mm |
| Connector | XLR-3 |
| Frequency response | 55 - 16,000 Hz |
| THD, total harmonic distortion | ≤ 0.9% |
| Transducer principle | dynamic |
| Weight | 330 g (0.73 lbs) |
| Pick-up pattern | cardioid |
| Nominal impedance | 300 Ω (at 1 kHz) |
| Min. terminating impedance | 1 kΩ |
| Storage temperature | –20°C to +70°C |
| Operating temperature | 0°C to +40°C |
| Signal-to-noise ratio | ≥ 103 dBA |
| Switching bandwidth | Up to 24 MHz |
| Modulation | Wideband FM |
| Frequency | 80 factory presets (8 banks of 10 channels each) |
| Sensitivity | 1.8 mV/Pa (free field, no load at 1 kHz) |
| Synchronization | Transmitter: 2.4 GHz, low power OQPSK (only active during synchronization) |
| Temperature Range | 0 °C ... +40 °C (+32 °F ... +104 °F) |
| EM-XSW 1 DUAL | |
| Dimensions | approx. 320 x 126.5 x 42 mm |
| Weight | approx. 620 g |
| Power supply | 12 V DC nom. / 300 mA |
| Output voltage | (at peak deviation, 1 kHz AF) 1/4“ (6.3 mm) socket (unbalanced): +6 dBu |
| Housing | Rugged ABS housing |
| Sensitivity | < 3 μV at 52 dB(A) rms S/N (at peak deviation) |
| Squelch | Adjustable from 3 dBμV to 28 dBμV |
| AF frequency response | 50 to 16,000 Hz (–3 dB) |
| Audio adjustment range | 45 dB, adjustable in 5 dB steps |
| Line / Mic level | 20 dB, switchable |
| Receiver Principle | Double superheterodyne |
| Diversity principle | Antenna switching diversity via internal antennas |
| SKM 825-XSW / SKM 835-XSW | |
| Dimensions | Approx. 260 x 50 mm |
| Microphone | Dynamic |
| Weight | Approx. 245 g |
| Pick-up pattern | Cardioid |
| RF output power | 10 mW |
| Operating time | Approx. 10 hrs |
| Power supply | 2 AA size batteries, 1.5 V |
| Housing | Rugged ABS housing |
| Sensitivity | 0 to -30 dB, adjustable in 10 dB steps |
| Input sensitivity | 1.5 mV / Pa |
| AF frequency response | 80-16,000 Hz |