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Description
Green-GO Electret gooseneck microphone, 300mmThe GreenGO GGOGNM300 is a compact 300 mm electret cardioid gooseneck microphone engineered for seamless integration with MCX and MCXD multichannel stations. Designed to deliver precise, articulate speech capture, it combines a sensitive electret capsule with a tight cardioid pickup pattern to focus on the speakers voice while suppressing ambient noise, ideal for intercom, paging, broadcast communication, and control room environments. With a wide
The Green‑GO GGO‑GNM300 is a compact 300 mm electret cardioid gooseneck microphone engineered for seamless integration with MCX and MCXD multi‑channel stations. Designed to deliver precise, articulate speech capture, it combines a sensitive electret capsule with a tight cardioid pickup pattern to focus on the speaker’s voice while suppressing ambient noise, ideal for intercom, paging, broadcast communication, and control-room environments.
With a wide frequency response from 50 Hz to 20 kHz, the GNM300 reproduces speech with clarity and natural presence. Its sensitivity of –42 dB ensures accurate capture of both soft and dynamic vocal levels, while its 110 dB maximum SPL capability provides ample headroom for use in loud technical spaces. The microphone maintains professional audio performance through a 74 dB signal‑to‑noise ratio and operates reliably on 9–52 V phantom power with a low 2 mA consumption.
The streamlined 300 mm gooseneck provides stable yet flexible positioning, allowing users to find the ideal angle for consistent communication. At just 60 g and featuring a 12 mm head diameter, the microphone is lightweight without compromising structural rigidity. A built‑in 3‑pin male XLR connector ensures robust connectivity, while the included windproof foam cover minimizes plosives and optimizes intelligibility. Engineered as part of the Green‑GO intercom ecosystem, the GGO‑GNM300 excels in reliability, sonic precision, and ergonomic adjustability, making it the perfect solution for compact operator stations that demand both performance and durability.
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4.5 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Concise, well researched and objective; a great homeschool resource
This is a great read; sufficiently detailed to be worth the time spent, but not so bogged down in minutia that you find yourself wondering how long the chapter is going to go on and glancing ahead to see if it ends with a quiz. Particularly notable is the prose: flowing, easy to read, a comfortable narrative. You get a sense of the author relaxed in an easy chair, his audience gathered about, attentive ears regaled with true tales of valor, intrigue, and conquest. But you will find no glorification of war between these covers; rather a well-balanced rendering of man at his best within his worst.
“Great Battles” is well researched, factual, and untainted with retroactive speculation and subjective parochialism that pervade some of today’s ‘historical’ accounts. In short, a valuable addition to any homeschool or military historian’s library; highly recommended.
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Reviewed in the United States on July 27, 2014
★★★★★ 5
FINALLY!
Format: Paperback
I was pleased to finally find an historical series written for young boys that neither "cartoonizes" war nor adopts a satirical, demeaning tone. Rather, these books depict the true sacrifices of the men involved in these conflicts. The facts are the facts. There is no politically correct hogwash clouding the child's view of the event. These are more mature historical articles about pivotal events no longer discussed in our public school! These books glorify the ideals scrapped by post-modernists -- bravery, chivalry, and heroism -- ideals that once defined masculinity and limited its so-called "toxicity." As a mother raising masculine gentlemen, I will continue purchasing these fine books! Thanks, Mr. Giorello! Keep writing!
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Reviewed in the United States on October 3, 2019
★★★★★ 5
Very useful
Format: Paperback
My grandson likes history. This book has proven to be a good starting point for him to then delve deeper into the various wars and battles.
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Reviewed in the United States on November 7, 2025
★★★★★ 5
I like it!
Format: Paperback
My 12 yr. old son loved this series.
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Reviewed in the United States on April 2, 2025
★★★★★ 5
Perfect choice for 9yr old
Format: Paperback
Grand daughter, 9 yrs,asked for this book. She really likes this author.
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Reviewed in the United States on January 1, 2026