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.

Features 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 Technical Data System Frequency range  548-572 MHz 614–638 MHz 766-790 MHz 794-804 MHz 821-832 / 863-865 MHz 606-630 MHz 925-937.5 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) Show less Frequency range 548-572 MHz Frequency response 766-790 MHz 794-804 MHz 821-832 / 863-865 MHz 925-937.5 MHz 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