Sennheiser EW IEM G4-TWIN-A1 Wireless Monitor System (A1 470 To 516 Mhz)
SKU: 4264377417

Sennheiser EW IEM G4-TWIN-A1 Wireless Monitor System (A1 470 To 516 Mhz)

Sale price$911.25 Regular price$1012.50
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Description

Sennheiser EW IEM G4-TWIN-A1 Wireless Monitor System (A1 470 To 516 Mhz)The EK IEM G4 Stereo Bodypack Receiver with IE4 Earphones from Sennheiser is an addition to their evolution series of wireless systems. It features adaptive diversity technology and can be used for a radio monitoring system for live stage, theater, and rehearsal applications. The stereo receiver is equipped with 1680 frequencies tunable in 25 MHz steps and has 20 fixed frequency banks with up to 16 compatible frequency presets and one another 6 user

The EK IEM G4 Stereo Bodypack Receiver with IE4 Earphones from Sennheiser is an addition to their evolution series of wireless systems. It features adaptive diversity technology and can be used for a radio monitoring system for live stage, theater, and rehearsal applications.

  
The stereo receiver is equipped with 1680 frequencies tunable in 25 MHz steps and has 20 fixed frequency banks with up to 16 compatible frequency presets and one another 6 user banks with up to 16 user-programmable frequencies. The receiver's menu-driven backlit display shows current frequency, frequency and channel number, metering of RF level, metering of level AF, lock status, and battery status. An auto-lock feature is accidentally altered.

  

Furthermore, this receiver includes a switchable high-boost and a multi-level limiter. The limit is adjustable from -18 dB to -6 dB in 6 dB steps or defeatable (off). Built in a rugged metal housing, it is powered by two 1.5V AA sized batteries by a Sennheiser BA 2015 rechargeable accupack. The earphone output uses a 3.5mm stereo jack socket.

  

  • Robust bodypack receiver delivering clarity along the spectrum for daily use on stage.
  • Easy and flexible wireless synchronization between transmitter and receiver via infrared.
  • Compatible with Sennheiser WSM control software for flexible frequency allocation.
  • Up to 16 compatible channels.
  • Up to 42 MHz bandwidth with 1680 selectable frequencies, fully tunable in a stable UHF range.
  • Range: Up to 100 meters / 300 '.
Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 4264377417

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Joel Viamonte
Chelsea, US
★★★★★ 5
I loved
Super good, it really keeps the cold well
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Reviewed in the United States on April 14, 2026
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mitzuh jasso
Houston, US
★★★★★ 5
Perfect Buy for you Hardworking Man/Women
I’ve bought my husband 3 of these already for work we love them easy to clean super durable perfect for his job. Keeps his coffee nice and hot and his chilled drinks nice and cool! We love it every chance we get we buy another one.
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Reviewed in the United States on January 11, 2026
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Ilda Espana
Grantham, US
★★★★★ 4
Doesn’t maintain hot too long.
I love this cup because the material is good for heavy duty jobs like mine. I took off one star because it does keep hot but not for super long, it lasts hot for about 2-3 hours. Other than that it’s easy to wash and the magnet that comes on the cup is super strong which comes in handy for not loosing it. It magnetized on to the cup.
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Reviewed in the United States on October 28, 2025
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Antonio Crissinger
Bozeman, US
★★★★★ 5
It's the best.
I'm picky on my coffee cups. Klien though has made a great cup for ones like me who work construction. This tumbler not only keeps your coffee hot, but is tough as hell. I can't count how many times it's fallen, dropped, or accidently kicked and still works like new. The rubber bottom and sides grip great. The magnet is strong and helps with tipping over, or possibly dropping. The locking lid also helps with spills.
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Reviewed in the United States on August 4, 2024
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1Yldkat
Draper, US
★★★★★ 5
Best tumbler I've ever owned
I use this tumbler as a travel cup for my coffee primarily. I have also drank cold beverages out of it. Both are satisfying experiences. Why does this product appeal to me so much that I would buy one, recieve it and then buy another? Because they got it RIGHT. They didn't waste time trying to put a handle on it that would be too big for some hands and too small for others. Instead, they put a grip surface on it that is comfortable and secure with or without gloves. A cup for all seasons and working men and women of America. The lid screws on, and the drink spout cover snaps in place open and closed. Even better, it doesn't rub on your nose when you drink out of it. Stainless steel inside and out, except for the thick lid and grip surface. Keeps coffee hot way longer than I'm used to, but don't know for sure how long because I don't waste much time drinking it. I have one for my truck and one for my Jeep so I'll never be without it. Yeah. Love it that much. I don't use the provided rare earth magnets for the cup, but I put them to good use elsewhere. I can see where they would come in handy in the construction or other trades. I use the cups on my commute, around the house, and while enjoying the outdoors. Keep up the good work, people!
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Reviewed in the United States on July 26, 2022

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