Sennheiser XSW IEM SR (A) Single Half-Rack Stereo UHF Transmitter

The rugged XS Wireless IEM transmitter from Sennheiser features metal housing designed for ever-changing stages, rehearsals, travels, and more.

Fine-tuning your in-ear mix has never been easier. The XSW IEM SR (A) stereo transmitter offers plenty of customization options. Advanced settings like gain, input sensitivity, mono or stereo options, and easy frequency management with eight frequency banks with 12 precalculated channels each allow perfect monitoring for any demand—on any stage and in any location.

Designed for ever-changing stages, rehearsals, and travels, the XSW IEM SR (A) can be operated standalone or as part of a rack with the optional rack mount kit. The removable BNC antenna allows for various mounting options.

Sennheiser XSW IEM Set (A) Features

• Single-stereo UHF transmitter for XS Wireless IEM systems
• Rugged metal housing in a standard half-rack size
• Backlit front panel to access all key settings
• 2x XLR and 6.3 mm (1/4 inch) TRS combo inputs
• Additional headphone output (6.3 mm / ¼ inch) on front
• Removeable BNC antenna for optimal positioning options
• Easy Frequency management - 8 frequency banks with 12 precalculated channels each

• XSW IEM SR Stereo Transmitter1
• NT 12-5CW Power supply + Country Adapter1
• Quick guide1
• Safety Guide1

• Frequency Ranges (RF Output Power)
  • A 476-500 MHz (30 mW)
  • B 572-596 MHz (30 mW)
  • C 662-686 MHz (30 mW)
  • E 823,2-831,8 MHz (30 mW)
  • K 925,2-937,3 MHz (10 mW)
• Dimensions Approx. 200x128x42 mm
• Weight Approx. 700 g
• Switching bandwidth up to 24 MHz
• Temperature Range 0°C to +40°C
• AF frequency response 45 Hz to 15 kHz
• Modulation FM Stereo
• Signal-to-noise ratio (at nominal load and peak deviation) ≥88 dB
• Current consumption Approx. 400mA (depending on volume level)
• Input rating +12 V DC
• Input 2x XLR-3/¼" (6.3 mm) jack combo socket, electronically balanced
• Antenna Output BNC socket, 50Ω

More about Sennheiser’s XS Wireless Series

Professional live sound. Effortless operation. Unmatched value. Sennheiser’s XS Wireless Series are products that offer the features and functionality that live sound applications demand. Ideal for stages and settings of all kinds, XSW delivers cordless freedom of movement—without compromising on audio quality.

XSW systems work in the professional UHF range, using predefined frequency banks to achieve fast, simple configurations that allow users to customize their setup while integrating seamlessly with preexisting gear. Each member of the XSW family offers advanced features such as integrated equalization, limiter, and focus mode, ensuring that you get the quality you need today, while each product in the line is sturdily built to continue to perform into the future.

Choose from handheld, lavalier, or headworn microphone transmitters. Effortlessly sync with an XSW receiver. Get up-to-the-second feedback with XSW’s In-Ear Monitoring systems. Round out your setup with accessories including rack mount kits and more. Sennheiser also offers all-in-on sets that come with all you need to get started right out of the box—and yet can be further scaled as your needs change or grow.