Sennheiser EM-XSW 1-B Wideband FM Receiver, Double Superheterodyne, 614–638 MHz

Description

The Sennheiser EM-XSW 1-B is a UHF wireless receiver from the XS Wireless 1 series, designed for clear, reliable, and easy-to-use wireless performance. It operates in the B-band (614–638 MHz) and uses wideband FM modulation with a double-superheterodyne architecture for strong RF stability.
This receiver is ideal for live sound, corporate events, schools, churches, and performers needing dependable entry-level wireless audio.

Key Features

• Operating frequency range: 614–638 MHz (B-band)

• Wideband FM modulation

• Double-superheterodyne receiver design for improved RF rejection and stability

• Automatic frequency management and synchronisation

• Up to 10 compatible channels (environment-dependent)

• True antenna diversity for reduced dropouts

• Simple front-panel controls for quick setup

• Clear status indicators for audio, RF, and channel selection

• Lightweight, durable housing suitable for fixed or portable setups

• Compatible with XSW 1 handheld and bodypack transmitters (same band)

Technical Specifications

• Audio outputs:

  • 1 × balanced XLR output

  • 1 × unbalanced 6.3 mm jack output

• RF sensitivity: optimised for stable UHF reception in live environments

• Frequency stability: supported by double-superheterodyne architecture

• Power requirement: NT 12-5 CW external power supply (not battery-powered)