Sennheiser XSW 1-ME2: The Ultimate Wireless Lavalier Mic for Impactful Presentations
Inspire your audience with the Sennheiser XSW 1-ME2 Wireless Lavalier Mic System! Rely on a rock-solid wireless transmission with up to 10 compatible channels in a stable UHF band. This all-in-one wireless system is a breeze to use, perfect for presenters and moderators looking to deliver a powerful and inspiring presentation.
Key Features:
- • Compact & Lightweight: Easy to carry and use on the go.
- • Stable Transmission: Up to 10 compatible channels in a stable UHF band.
- • Hassle-Free Setup: Intuitive stationary receiver for quick and easy handling.
System Features:
- Compact bodypack transmitter, unobstrusive clip-on microphone
- Antenna-switching 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
- What's included: (1) receiver EM-XSW 1; (1) lavalier microphone ME 2-2; (1) bodypack transmitter SK-XSW; (1) power supply NT 12-5 CW; (2) AA batteries
Receivers Specifications:
- Dimensions approx. 200 x 42 x 127 mm
- Weight approx. 340g
- Power supply 12 V DC nom. / 300 mA
- AF frequency response 50 to 16,000 Hz (–3 dB)
Transmitter Specifications:
- Dimensions approx. 71 x 96 x 28 mm
- Weight approx. 95g
- Power supply 2 AA size batteries, 1.5 V
- Adjustment Range Transmitter 0 to -30 dB, adjustable in 10 dB steps
Microphone Specifications:
- Microphone: condenser
- THD, total harmonic distortion: 0.9%
- Pick-up pattern: omni-directional
- Signal-to-noise ratio: 103 dBA
- RF output power: 10 mW
- Switching bandwidth: up to 24 MHz
- Operating time: approx. 10 hrs
- Modulation: wideband FM
- Output voltage: '1/4' (6.3 mm) jack socket (unbalanced): +6 dBu, XLR socket (balanced): +12 dBu
- Housing: rugged ABS housing
- Diversity reception: antenna switching diversity via internal antennas
- Frequency: 8 frequency banks, each with up to 10 factory-preset channels
- Frequency range:
- A: 548-572 MHz, GB: 606-630 MHz
- B: 614-638 MHz, C: 766-790 MHz
- D: 794-806 MHz
- E: 821-832 MHz, 863-865 MHz
- K: 925-937.5 MHz
- Sensitivity: < 3 V at 52 dB(A)rms S/N
- SPL for peak deviation: 130 dB
- Squelch: adjustable from 3 dB V to 28 dB V (combined with pilot tone)
- Synchronization: 2.4 GHz, Low Power OQPSK (only active during synchronization)
- Input sensitivity: 1.5 mV / Pa
- Audio adjustment range: 45 dB, adjustable in 5-dB steps
- Line / Mic level: 20 dB, switchable
- Temperature Range operation: 0°C to +40°C, storage: –20°C to +70°C
- Receiver Principle: double superheterodyne




The Sennheiser XSW 1-ME2 Wireless Lavalier Mic System is perfect for presenters and moderators. It offers a stable wireless transmission with up to 10 compatible channels in a UHF band. The set comes with a receiver, lavalier microphone, bodypack transmitter, and power supply. The receiver is approximately 200 x 42 x 127 mm in size and weighs around 340g, powered by 12 V DC nom. / 300 mA. The transmitter is about 71 x 96 x 28 mm, weighs approximately 95g, and runs on 2 AA size batteries (1.5 V). The microphone has a condenser type, omni-directional pick-up pattern, and offers great audio quality with features like 103 dBA signal-to-noise ratio and more.