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Description
Motorola PMMN4040AL Submersible Remote Speaker Microphone (IP57, Windporting)Motorola PMMN4040AL Submersible Remote Speaker Microphone (IP57, Windporting) The Motorola PMMN4040AL (previously PMMN4040A) is a high performance Remote Speaker Microphone (RSM) built for rugged conditions. This microphone incorporates advanced Windporting technology and boasts an IP57 submersible rating, guaranteeing clear audio and reliable operation in wet, dusty, and high wind environments. The Motorola PMMN4040AL is the updated version of the
Motorola PMMN4040AL
Submersible Remote Speaker Microphone (IP57, Windporting)
The Motorola PMMN4040AL (previously PMMN4040A) is a high-performance Remote Speaker Microphone (RSM) built for rugged conditions. This microphone incorporates advanced Windporting technology and boasts an IP57 submersible rating, guaranteeing clear audio and reliable operation in wet, dusty, and high-wind environments. The Motorola PMMN4040AL is the updated version of the Motorola PMMN4040A and Motorola PMMN4040.
Tested to survive submersion in 1 meter of water for 30 minutes, the Motorola PMMN4040AL is an essential accessory for public safety, construction, and utility professionals. The Windporting feature actively suppresses background noise from severe weather and wind, ensuring mission-critical voice transmissions are consistently clear.
Key Features
- IP57 Submersible Rating: Protected against dust ingress and capable of withstanding temporary submersion in 1 meter of water for 30 minutes.
- Windporting Technology: Engineered to eliminate the distortion caused by high wind and other ambient background noise, improving voice intelligibility.
- Compact Lapel Design: Easily clips to your shirt pocket or lapel, keeping the PTT (Push-to-Talk) control readily accessible.
- GCAI Connector: Utilizes the General Communication Accessory Interface (GCAI) connector for reliable attachment to a wide range of APX and MOTOTRBO portable radios.
- Small Form Factor: Designed as a compact, small RSM, balancing size with audio performance.
Compatibility
| APX2000 | APX4000 | APX8000H | APX8000HXE |
| DGP4100 | DGP5050E | DGP5550E | DGP6100 |
| DGP8050E | DGP8550E | DP3000 | DP4400 |
| DP4400E | DP4401 | DP4401E | DP4600 |
| DP4600E | DP4601 | DP4601E | DP4800 |
| DP4800E | DP4801 | DP4801E | GP328D |
| GP328DPLUS | GP338D | GP338DPLUS | XIRP8600 |
| XIRP8600I | XIRP8608 | XIRP8608I | XIRP8620 |
| XIRP8628 | XIRP8628I | XIRP8660 | XIRP8660I |
| XIRP8668 | XIRP8668I | XIRP8808R | XPR5380E |
| XPR7350 | XPR7350E | XPR7380 | XPR7380E |
| XPR7550 | XPR7550E | XPR7550IS | XPR7580 |
| XPR7580E | XPR7580EIS |
Benefits
- Superior Audio Clarity: Windporting technology ensures the user's voice is understood despite severe weather or wind noise, improving operational safety.
- Rugged Reliability: IP57 rating provides confidence that the mic will continue to perform despite exposure to rain and temporary submersion.
- Hands-Free Convenience: Allows users to secure the radio on their belt while keeping the mic/speaker close for efficient communication.
- Broad Fleet Support: Compatible with a wide range of MOTOTRBO and APX portable radios, simplifying accessory inventory.
Warranty
1-year manufacturer's warranty
Shipping Notes
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4.6 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Bear Witness
Format: Kindle
This is an excellent read for anyone ignorant of the history of Slavery in the United States. It is this account that jolted the abolitionist movement that would later lead to the emancipation proclamation. It is a quick and powerful read of our shameful pass. But it is necessary for us to learn our pass to move forward.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Skip the introductions and go right to the narrative
Let's face it. Most of the history I read is written by white people. Some things need to be read in the "first person" and this is one of them. Not only is it a landmark book (not just for it's time but for all time), it is still easy to read, believable, compassionate to all (including slave owners) and completely gripping. It is not too brutally descriptive to be disturbing to any older kids or teens I know, and it is a patient, instructive and compelling story that I believe could still be a powerful, memorable and life changing read for anyone.
Personal Note:
I went to Maryland public schools in the 70's and early 80's. This was not on my required reading list. I wish it had been, but then maybe I would have hated it. The story of Frederick Douglas is to me overwhelming. The indictment of Southern Christianity is also particularly grievous. I do feel like I'm beginning to get a sense of the longtime North - South cultural divide as a matter of regional . . . religious . . . and economic ... pride.
Misc Notes:
1. Brer Rabbit - in the intro to my book - Robert O'Meally mentions Brer Rabbit and Disney's now banned (and well censored) in the USA "Song Of The South" movie (think "Zip-A-De-Do-Da") - I don't have any wisdom on this but Brer Rabbit is a vaguely forbidden character in our country, as is Bugs Bunny, who the writer indentifies as a modern day Brer Rabbit. I always liked Bugs Bunny, but you don't see these cartoons around. I have an older African American friend who asked me if I could find a copy of "Song of the South" which he had fond memories of watching in the movie theater as a kid. Well I couldn't . . .
2. In my appendix, there is mention of pro slavery arguements of the 1840's. One is to the effect of "Slavery itself doesn't hurt slaves . . . its the abuse of slavery by slaveholders that hurts slaves." Hmmm, that sounds familiar . . .
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Reviewed in the United States on November 6, 2013
★★★★★ 5
An essential American autobiography
As the title implies, this short work is the narrative of Frederick Douglass, an escaped slave. He wrote it by himself, a significant fact in that his prose is so eloquent and his pathos so powerful that it seems impossible for a former slave to have composed it. In this short autobiography, Douglass recounts his life as a slave, and details some of the horrors and atrocities perpetuated on slaves by their fiendish overseers, most of whom Douglass portrays as downright evil. More than just a narrative of his life, Douglass also gives an account of how the desire to be free grew and began to burn within his bosom, and how he grew to hate that horrible institution. Above all, this is a story of a slave learning that he is, in fact, a human being.
The significance of this book cannot be overestimated. In it, Douglass effectively dispels a number of popular myths about slaves and slaveholders, and forever changes the way the reader (especially one who lived while slavery still existed) looks at slavery. The theme of this book is very simple: slavery is wrong. It is evil, it is cruel, and, despite what many people thought at the time, the slaves know how cruel it is. Douglass cites several examples of the horrible treatment slaves received, one of them being separation of families. "It is a common custom...to part children from their mothers at a very early age" So it was with Douglass and his own mother.
Douglass writes in a very eloquent style, and this contributes to the power of this work. Many people who thought blacks were inferior in intelligence were shown to be sadly mistaken with the coming of Frederick Douglass, a man both educated and refined. It may be said that the book is not entirely fair, for it is decidedly anti-slavery, but it is undoubtedly true for most cases nonetheless. Most of the overseers in Douglass's narrative are demonic and sadistic, but when a good overseer comes along (such as Freeland), he is fair in his treatment of him.
One can imagine the fuel this book gave to the abolitionist fire, and it is not difficult to see why Douglass had such an impact on both North and South. This is, in my opinion, a definitive work, in that it shows the horrible institution of slavery in all its barbaric nature, and does it from a firsthand point of view, that of a former slave. This book was a tremendous contribution, both for the light it shed on slavery in general, and for proving that blacks were not intellectually inferior by nature, but instead were "transformed into...brute[s]" at the hands of their overseers.
This is a great book, essential for anyone wanting to study the Civil War era or wanting to gain a firmer understanding of slavery.
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Reviewed in the United States on January 13, 2003
★★★★★ 4
I always feel comfortable and at ease when I go...
Format: Paperback
Good purchase
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Reviewed in the United States on March 28, 2026
★★★★★ 5
This man's ability to describe the various monstrosities encountered throughout his journey in such a beautiful, articulate
I found this book, though historic, to be a modern marvel. I find not only the man himself but even more so the writings of Frederick Douglass to be totally FASCINATING! This man's ability to describe the various monstrosities encountered throughout his journey in such a beautiful, articulate, and eloquent way is utterly GENIUS! In reading this timeless masterpiece I discovered that this man bears the unmatched, undisputed spirit of a champion; the undying essence of a true warrior that I'm sure would resonate to any and every reader who would be so bold as to take a glance at the greatness that lies between the pages of this work of genius. This man's profound desire to acquire knowledge and educate himself by whatever means necessary exudes a ground shaking, bone rattling determination as I have scarcely; if at all, ever heard of. Frederick Douglass is to me the epitome of class and integrity and can serve as a role model and an inspiration to anyone in search of an incentive to better themselves, even or ESPECIALLY in the face of adversity. In this BRILLIANT account of his heroic journey from slavery to freedom he bestows a wisdom; a very keen insight, and he embodies an honor, the likes of which I have never seen in ANY other writer. I HIGHLY recommend this book to ANYBODY who is in search of inspiration or just a GREAT read!
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Reviewed in the United States on February 21, 2015
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