Sennheiser XSW IEM EK (A) - Lightweight in-ear monitoring bodypack to expand existing XS Wireless IEM setups. Includes (1) XSW IEM EK Receiver, (1) IE 4 In-Ear Headphones and (2) AA Batteries, frequency range: A (476 - 500 MHz).

Sennheiser XSW IEM EK (A) - Lightweight in-ear monitoring bodypack to expand existing XS Wireless IEM setups. Includes (1) XSW IEM EK Receiver, (1) IE 4 In-Ear Headphones and (2) AA Batteries, frequency range: A (476 - 500 MHz).

Marsoni

M251S

$189.50

Get it in 3 business days with 1 day shipping. Friday, May 29

Sennheiser XSW IEM EK (A) - Lightweight in-ear monitoring bodypack to expand existing XS Wireless IEM setups. Includes (1) XSW IEM EK Receiver, (1) IE 4 In-Ear Headphones and (2) AA Batteries, frequency range: A (476 - 500 MHz).With XS Wireless IEM, you can easily link additional receivers to one transmitter connecting more band members to a new level of detail. The lightweight bodypack remains unnoticed once clipped on your clothing or belt. You can plug in the included IE 4 in ear monitors or upgrade to the IE PRO series with the 3. 5 mm output. The status LED shows battery and link status at a glance while the high contrast front panel allows for individual fine tuning,

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I've basically been exclusively buying these since I've discovered them. Super-comfortable and maintain their shape for a long time, but I've noticed from buying it multiple times that sometimes the pouch area has stiffer texture and more support than other times (when it's loose & stretchy like the rest of it). I wish I could specify receiving the more-supported ones because they tend to produce less....how to say, knocking the boys around.

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Reviewed in the United States on March 22, 2026

Verified Purchase

EclecticJay

New York, US

★★★★★ 5

Comfort and softness

Size: 3X-Large, Color: Black/Navy/Dark Grey/Red

True to size; they are comfortable, good quality, and really soft.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on January 3, 2026