Sennheiser XSW Iem Set (C : 662 - 686 MHZ)

XS Wireless IEM: the entry-level stage solution incorporating Sennheiser's professional standards

With the XSW series, Sennheiser offers a straightforward approach to in-ear monitoring : an accessible UHF wireless system designed for those transitioning from traditional stage monitors to in-ear monitors without complicating their setup. The XSW IEM SET stands as a coherent solution within the range: reliable, quick to deploy, and equipped with essential features expected on small to medium stages, both in rehearsals and live performances.

Who this IEM system is for and in which applications it makes a difference

This kit is intended for musicians, singers, bands, and technical teams seeking wireless in-ear monitoring to better hear themselves, stabilize pitch, and reduce fatigue caused by excessively loud stage monitors. In concerts, it helps maintain a consistent listening level from one gig to another, even on club stages or shared lineups. It is also well suited for intensive rehearsals, places of worship, and any situation where stage volume needs to be limited while retaining detailed listening.

The version offered here operates in Band C (662 to 686 MHz). Choosing the right band is key to ensuring compatibility with your radio environment and other RF systems.

Features designed for worry-free playing without getting lost in menus

The XSW IEM is based on a simple philosophy: a complete system, quickly operational, that immediately provides a clear gain in playing comfort. The predefined frequency banks speed up startup and facilitate integration with existing equipment. On the hardware side, the rack-format stereo transmitter is built to withstand transport, while the bodypack receiver remains lightweight and easy to read, even in low-light conditions.

Focus mode, equalization, and limiter: essentials for more controlled monitoring

To tailor the listening experience to your playing style and physiology, the system includes an equalizer (notably boosting the highs) and a limiter to better control peaks and protect your hearing during sudden volume changes. The Focus mode allows adjustment of the mix perception (useful to highlight a key element such as a guide vocal or main instrument) and gain precision on stage.

Sennheiser IE 4 earphones included: isolation, comfort, and clarity

The supplied IE 4 deliver clear and dynamic sound, with welcome isolation to stay focused even on noisy stages. This is a real advantage for starting with in-ear monitors: you get a coherent set designed to work immediately without additional purchases.

• XSW IEM EK stereo receiver
• XSW IEM SR stereo transmitter
• IE 4 in-ear earphones
• 2 AA batteries
• XSW rack mounting kit
• NT 12-5CW power supply + country adapter
• Quick start guide
• Safety guide

Technical specifications

Frequency response - start	45 Hz	Inputs	jack/XLR
Frequency response - end	15 kHz	Outputs	headphone

Modulation	Wideband FM	Battery life	approx. 6 hours
Frequency ranges	A 476-500 MHz	Dimensions	approx. 95 x 70 x 26 mm
Frequency band switching	up to 24 MHz	Weight (with batteries)	approx. 110 g
Normal / peak deviation	+/-15 kHz / +/-24 kHz	Antenna output	BNC connector, 50 ohms
Squelch	10 microvolts, fixed	Maximum RF output power	10 to 30 mW (non-adjustable)
Signal-to-noise ratio (1 mV, peak deviation)	at least 88 dB	Depending on frequency variant and local regulations	A 476-500 MHz, 30 mW
Total harmonic distortion (THD)	up to 1%	AF input	balanced AF IN L (I) + MONO
AF output level at 3.5 mm	2 x 1.25 Vrms at 16 ohms	Input connectors	2 combined 6.35 mm Jack / XLR connectors, electronic balancing
High-frequency boost (equalization)	+10 dB at 13 kHz	Signal-to-noise ratio (nominal load and peak deviation)	at least 88 dB
Limiter	-10 dB	Input voltage	+12 V DC
AF frequency response	45 Hz to 15 kHz	Power consumption	approx. 400 mA (depending on volume)
Crosstalk (50 Hz - 10 kHz)	approx. 45 dB	Weight	approx. 700 g
Operating temperature range	0degC to +40degC	Output voltage	+12 V DC
Power supply	2 AA batteries, 1.5 V	Secondary output current	500 mA
Nominal voltage	3 V battery / 2.4 V rechargeable battery	Storage temperature range	-20degC to +60degC