
Motorola NNTN8382B Submersible Noise Cancelling RSM
If you are working in incredibly loud, demanding environments, being heard over the background noise is a constant challenge. The Motorola NNTN8382B Submersible Industrial Noise Cancelling (INC) Remote Speaker Microphone is engineered to solve exactly that. Designed to cut through the roar of heavy machinery and extreme weather, this genuine Motorola accessory ensures your critical messages get through loud and clear without you ever having to unclip your radio.
Why choose the Motorola NNTN8382B for high-noise environments?
This remote speaker microphone (RSM) is built specifically for industrial use. It features advanced Industrial Noise-Canceling acoustics that filter out background sounds, ensuring your voice is transmitted clearly. Additionally, it is equipped with Motorola's IMPRES technology, which optimizes audio performance and automatically adjusts gain levels so you don't have to shout to be heard.
Is this speaker mic durable enough for extreme conditions?
Absolutely. The NNTN8382B boasts an IP57 submersible rating, meaning it is heavily protected against dust and can withstand being submerged in up to 1 meter of water for 30 minutes. Whether you are dealing with heavy rain, mud, or industrial washdowns, this RSM is built to survive.
Which radios are compatible with this RSM?
This microphone is fully compatible with the Motorola DP3000 series, including popular models like the Motorola DP3400 and DP3401. If you are outfitting your DP3400, you might also want to consider pairing it with a fresh IMPRES Li-Ion Battery or carrying it securely in a Universal Nylon Chest Pack for hands-free convenience.
What are the core technical specifications?
- Acoustics: Industrial Noise-Canceling
- IP Rating: IP57 (Submersible)
- IMPRES Audio: Yes
- Volume Control: Yes
- Emergency Button: No
- Programmable Button: No
- Audio Jack: No
- Intrinsic Safety Standard: No
- Packaging: Brand new, bulk packaging

