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More clarity. More reliability. More good feeling

The XS Wireless IEM set includes everything you need for an easy start with personal monitoring. Defining new standards for simple, flexible, and reliable wireless in-ear monitoring, this system is designed to help you level up your sound, regard-less of your tech experience. Whether a rehearsal or live performance, on a club stage or for a worship service: Benefit from renowned Sennheiser sound and solid pro-grade wireless UHF reliability packed in a convenient and rugged system – letting you focus on playing your best.

- 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 + Country Adapter
- Quick Guide, Safety Guide, Compliance Sheet, Fre-
quency 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

XSW IEM SR - Stereo Transmitter:
RF characteristics:
- Modulation FM stereo
- Frequency ranges: (max. RF output power): B: 572-596 MHz (30 mW)
- Switching bandwidth up to 24 MHz
- Nominal/peak deviation ±15 kHz / ±24 kHz
- Antenna output BNC socket, 50 Ω
AF characteristics:
- AF frequency response 45 Hz to 15 kHz
- AF input- BAL AF IN L (I) + MONO/- BAL AF IN R (II)
- 2x XLR-3/¼" (6.3 mm) jack- combo socket, electronically balanced
- Total harmonic distortion (THD) <0.9 %
- Signal-to-noise ratio (at nominal load and peak deviation) ≥88 dB
Overall device:
- Temperature range 0 °C to +40 °C
- Input rating +12 V DC
- Current consumption Approx. 400mA
- (depending on volume level)
- Dimensions Approx. 200 x 128 x 42 mm
- Weight Approx. 700 g
XSW IEM EK - Stereo Receiver:
RF characteristics:
- Modulation Wideband FM Frequency range B: 572-596 MHz (30 mW)
- Switching bandwidth up to 24 MHz
- Nominal/peak deviation ±15 kHz / ±24 kHz
- Squelch 10 μV, fixed
- AF characteristics
- Signal-to-noise ratio
- (1 mV, peak deviation)
- ≥88 dB
- Total harmonic distortion
- (THD)
- ≤ 1 %
- AF output level at 3.5 mm 2 x 1,25 Veff at 16 Ω
- High Boost (EQ) +10 dB at 13 kHz
- Limiter -10 dB
- AF frequency response 45 Hz to 15 kHz
- Cross talk (50 Hz - 10 kHz) typically 45 dB
- Overall device
- Temperature range 0 °C to +40 °C
- Power supply 2 AA batteries, 1.5 V
- Nominal voltage 3 V battery
- Operating time Approx. 6 hrs
- (depending on volume level)
- Dimensions Approx. 95 x 70 x 26 mm
- Weight (incl. batteries) Approx. 110 g
IE 4 - In-ear headphones:
- Transducer dynamic
- Frequency response 40-20.000 Hz
- SPL (1 kHz, 1 mW) 106 dB
- Nominal impedance 6 Ω
- Cable length 1.4 m
- Connector 3.5 mm (1/8“) stereo
- plug, gold-plated
- Temperature –5 °C (23 °F) to +50 °C
- (122 °F)

Product Dimensions
Depth
280mm
Width
365mm
Height
58mm
Product Details
Product Number
237166
Brand
Sennheiser
Series
XS
SubSeries
IEM
Category
In-Ear Monitor System
Brand Category
Sennheiser - In-Ear Systems
Relevancy rank in Category In-Ear Monitor System
8 of 26
Date
April 2022
Dimension
Weight
1.9kg
Box Depth
440mm
Box Width
365mm
Box Height
165mm
Gross Weight
2.1kg
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