Description

The Sennheiser XSW 12 (B-Band) is an all-in-one analog wireless lavalier microphone system designed primarily for speakers, presenters, lecturers, and houses of worship.  

The “B” in the model name specifies that this particular system operates on Sennheiser’s B-Band frequency range (614–638 MHz).  

Key Components Included
ME 2-2 Clip-on Microphone: An inconspicuous, omnidirectional lavalier microphone optimized for natural speech reproduction and high intelligibility.  

SK 20 Bodypack Transmitter: A compact, rugged belt pack that features an illuminated mute button and connects directly to the lavalier mic.  

EM 10 Stationary Receiver: An all-metal, True Diversity receiver that automatically scans for clean channels and handles the wireless signal processing.  

Technical Specifications
Frequency Range: 614–638 MHz (B-Band)  

Switching Bandwidth: 24 MHz with up to 960 tunable frequencies (tunable in 25 kHz steps)  

Channels: 8 frequency banks with up to 12 coordinated preset channels each  

Battery Life: Up to 10 hours of continuous operation using 2 x AA batteries  

Transmission Range: Up to 250 feet of line-of-sight, dropout-free operation  

Outputs: Balanced XLR and unbalanced 1/4″ TS jacks for connecting to mixers or PA systems  

Main Features
True Diversity Reception: Uses dual internal antennas to constantly monitor and switch to the strongest incoming signal, preventing dropouts while moving around a stage.  

Automatic Scan & Sync: Easily pairs the transmitter and receiver via an RF remote channel sync, making setup quick even if you are already onstage.  

Speech Control: The transmitter’s dedicated mute button gives the speaker direct control over when their audio is live.