SKU: STDSEP10A
UPC: 788026144594
MPN: SEP-10A
The Standard SEP-10A is a black single-earbud earphone made to pair with the SSM-21A submersible speaker microphone. It gives boaters and commercial operators a discreet way to receive radio audio without broadcasting traffic across the deck or cabin. This is an accessory item, not a standalone radio, so it makes the most sense for crews already running a compatible speaker microphone setup who want private listening in noisy or close-quarters conditions. If you depend on clear audio at the helm, this earphone keeps incoming calls in your ear and out of everyone else's.
Per the manufacturer documentation, the SEP-10A is a passive single earbud finished in black, designed to plug into the SSM-21A speaker microphone audio jack. Beyond the SSM-21A, it also works with the SSM-14A and the SSM-10 and SSM-10A speaker microphone systems, which makes it a flexible spare to keep in the kit if you run more than one handheld or fixed-mount radio. Because it is a simple passive earpiece, there is no battery, no charging, and no pairing involved. You connect it to the microphone, and audio routes to the earbud. That keeps it reliable in wet marine environments where fewer electronics mean fewer failure points.
Reach for the SEP-10A when you need to monitor radio traffic quietly at the helm, during night runs, or anytime ambient noise makes a speaker hard to hear. It is a straightforward replacement or backup for crews who already run a compatible speaker microphone. If you are building out a station, browse our VHF accessories for related parts, the SSM-21A speaker microphone it pairs with, and our handheld radios for the rest of your communications gear. Keep a spare earphone aboard so a worn cable never leaves you straining to hear an incoming call.
It is a black single-earbud earphone made to connect to the SSM-21A submersible speaker microphone. It lets marine radio operators receive audio privately rather than through the open speaker, which helps in noisy conditions or when you want to keep radio traffic to yourself at the helm.
Per manufacturer documentation, the SEP-10A is built for the SSM-21A. It also works with the SSM-14A and the SSM-10 and SSM-10A speaker microphone systems, making it a useful spare to keep on hand if you run more than one compatible setup.
No. It is a passive single earpiece, so there is no battery, charging, or pairing involved. You plug it into the speaker microphone audio jack and incoming radio audio routes to the earbud. Fewer electronics means fewer failure points in wet marine use.
No. It is an accessory earphone, not a standalone radio. It works alongside a compatible speaker microphone connected to your marine radio. If you are still building a station, you will also need the radio and the speaker microphone the earphone plugs into.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
Standard Horizon
