Item #1566659 Model #509146

Sennheiser XSW IEM Wireless In-Ear Monitoring System Band A


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Level-up your setup with sound clarity and a comprehensive design.

Make the move to personal monitoring with the Sennheiser XSW IEM Wireless In-Ear monitoring system. Defining new standards for simple, flexible and reliable wireless in-ear monitoring, this system is designed to help you level up your sound regardless of your experience level. Whether at a rehearsal or live performance, on a club stage or worship service, you will benefit from renowned Sennheiser sound and solid wireless reliability packaged into a convenient, entry-level system.

Designed for the rigors of the small stage, the XSW IEM wireless system features a comprehensive design you can count on. The series works in the professional-grade UHF range and uses pre-defined frequency banks. The all-in-one set includes everything to get you hearing yourself like never before, including a rack-mountable transmitter with a clearly arranged display and long-lasting metal housing. Additional features include a bodypack receiver that is lightweight with a high contrast display, integrated equalization, limiter and focus mode, and a rackmount kit to ensure that the system delivers the value you need today with the longevity you expect tomorrow.
  • Variant A frequency range: 476–500mHz
  • Variant B frequency range: 572–596mHz
  • Variant C frequency range: 662–686mHz
  • Variant E frequency range: 823.2–831.8mHz
  • Variant K: 925.2–937.3mHz
  • Variant A, B, C and E output power: 30mW
  • Variant K output power: 10mW
  • Modulation: FM stereo
  • Switching bandwidth: Up to 24mHz
  • Nominal/peak deviation: ±15kHz/±24kHz
  • Antenna output BNC socket: 50 ohm
  • AF frequency response: 45Hz to 15kHz
  • AF input: BAL AF IN L (I) + MONO/ BAL AF IN R (II) - 2x XLR 3" and 1/4" jack combo socket, electronically balanced
  • Total harmonic distortion (THD): <0.9 %
  • Signal-to-noise ratio (at nominal load and peak deviation): ≥88dB
  • RF Modulation: Wideband FM
  • AF Signal-to-noise ratio  (1 mV, peak deviation): - ≥88dB
  • Total harmonic distortion (THD): ≤ 1%
  • High Boost (EQ): +10dB at 13kHz
  • Limiter: -10dB
  • AF frequency response: 45Hz to 15kHz
  • Cross talk (50Hz–10kHz): Typically 45dB
  • Temperature range: 0 °C to +40 °C
  • Power supply: 2 AA batteries, 1.5V
  • Nominal voltage: 3V battery
  • Operating time: Approx. 6 hr. (depending on volume level)
  • Dimensions: Approx. 3.54" x 2.75" x 1.02"
  • Weight (including batteries): Approx. 0.24 lb.
  • IE 4 in-ear headphones transducer: Dynamic
  • Frequency response: 40–20.000Hz
  • SPL (1 kHz, 1 mW): 106dB
  • Nominal impedance: 6 ohm
  • Cable length: 55.11"
  • Connector: 1/8" stereo plug, gold-plated
  • Temperature: –5 °C (23 °F) to +50 °C (122 °F)
  • Includes: 
    • XSW IEM EK Stereo Receiver
    • XSW IEM SR Stereo Transmitter
    • XSW BNC Antenna
    • IE 4 In-ear headphones
    • 2 AA batteries
    • XSW Rack Mount Kit
    • NT 12-5CW Power Supply and Country Adapter
    • Quick Guide
    • Safety Guide
    • Compliance Sheet
    • Frequency Table


    • Complete starter set for in-ear monitoring
    • Reliable, easy-to-manage wireless connection in the professional UHF range
    • Full control with flexible audio modes
    • Focus mode to balance your personal mix
    • Advanced features like EQ and limiter
    • Easy frequency presets or detailed manual control
    • Infrared sensor to sync multiple receivers easily to one transmitter