Sennheiser XSW 1-825 DUAL-A

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
548-572 MHz
614–638 MHz
766-790 MHz
794-804 MHz
821-832 / 863-865 MHz
606-630 MHz
925-937.5 MHz
806.125 – 809.750 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)

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