Collection: Communication - Accessories
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![Standard Horizon SU-1 Barometric Sensor f/HX471S [SU-1]](//marineandrvsupply.com/cdn/shop/files/14934XL.jpg?v=1722379142&width=533)
Standard HorizonStandard Horizon SU-1 Barometric Sensor f/HX471S [SU-1]
Barometric Pressure Sensor Unit for HX471S Specifications: Type: Misc Box Dimensions: 1"H x 2"W x 3"L WT: 0.1 lbs UPC:...
$54.99 USD$54.99 USD$54.99 USD -
![Shakespeare PL-259-G Standard Marine Radio - Antenna Connector [PL-259-G]](//marineandrvsupply.com/cdn/shop/files/15311XL.jpg?v=1722379322&width=533)
ShakespeareShakespeare PL-259-G Standard Marine Radio - Antenna Connector [PL-259-G]
Shakespeare PL-259-G ConnectorShakespeare offers an extensive line of marine grade connectors and adapters for antenna installations. Our new connectors are...
$21.99 USD$21.99 USD$21.99 USD -
![Poly-Planar MB-21 8 Watt VHF Extension Speaker - Black [MB21B]](//marineandrvsupply.com/cdn/shop/files/11236XL.jpg?v=1722377223&width=533)
2% offPoly-PlanarPoly-Planar MB-21 8 Watt VHF Extension Speaker - Black [MB21B]
MB-21 8 Watt VHF Extension Speaker - BlackThis compact marine communications speaker includes a stainless steel mounting bracket and stainless...
$31.99 USD $32.95 USD$31.99 USD$31.99 USD $32.95 USD -
![Poly-Planar MB-41 10 Watt VHF Extension Speaker - Black [MB41B]](//marineandrvsupply.com/cdn/shop/files/11238XL.jpg?v=1722377241&width=533)
12% offPoly-PlanarPoly-Planar MB-41 10 Watt VHF Extension Speaker - Black [MB41B]
MB-41 10 Watt VHF Extension Speaker - BlackA stand-alone 4" VHF extension speaker that's completely waterproof, with stainless steel grill...
$40.99 USD $46.95 USD$40.99 USD$40.99 USD $46.95 USD -
![Standard Horizon Flush Mount Kit [MMB-84]](//marineandrvsupply.com/cdn/shop/files/10394XL.jpg?v=1722376663&width=533)
Standard HorizonStandard Horizon Flush Mount Kit [MMB-84]
Flush Mount KitMMB-84Rear-mounted flush mount kit for fixed-mount radios. Fits many current and older models. Specifications: Type: Mounting Brackets Box...
$24.99 USD$24.99 USD$24.99 USD -
![Poly-Planar MB-21 8 Watt VHF Extension Speaker - White [MB21W]](//marineandrvsupply.com/cdn/shop/files/11235XL.jpg?v=1722377213&width=533)
2% offPoly-PlanarPoly-Planar MB-21 8 Watt VHF Extension Speaker - White [MB21W]
MB-21 8 Watt VHF Extension Speaker - WhiteThis compact marine communications speaker includes a stainless steel mounting bracket and stainless...
$31.99 USD $32.95 USD$31.99 USD$31.99 USD $32.95 USD -
![Poly-Planar MB-41 10 Watt VHF Extension Speaker - White [MB41W]](//marineandrvsupply.com/cdn/shop/files/11237XL.jpg?v=1722377232&width=533)
12% offPoly-PlanarPoly-Planar MB-41 10 Watt VHF Extension Speaker - White [MB41W]
MB-41 10 Watt VHF Extension Speaker - WhiteA stand-alone 4" VHF extension speaker that's completely waterproof, with stainless steel grill...
$40.99 USD $46.95 USD$40.99 USD$40.99 USD $46.95 USD
![Standard Horizon SU-1 Barometric Sensor f/HX471S [SU-1]](http://marineandrvsupply.com/cdn/shop/files/14934XL.jpg?v=1722379142&width=533)
![Shakespeare PL-259-G Standard Marine Radio - Antenna Connector [PL-259-G]](http://marineandrvsupply.com/cdn/shop/files/15311XL.jpg?v=1722379322&width=533)
![Poly-Planar MB-21 8 Watt VHF Extension Speaker - Black [MB21B]](http://marineandrvsupply.com/cdn/shop/files/11236XL.jpg?v=1722377223&width=533)
![Poly-Planar MB-41 10 Watt VHF Extension Speaker - Black [MB41B]](http://marineandrvsupply.com/cdn/shop/files/11238XL.jpg?v=1722377241&width=533)
![Standard Horizon Flush Mount Kit [MMB-84]](http://marineandrvsupply.com/cdn/shop/files/10394XL.jpg?v=1722376663&width=533)
![Poly-Planar MB-21 8 Watt VHF Extension Speaker - White [MB21W]](http://marineandrvsupply.com/cdn/shop/files/11235XL.jpg?v=1722377213&width=533)
![Poly-Planar MB-41 10 Watt VHF Extension Speaker - White [MB41W]](http://marineandrvsupply.com/cdn/shop/files/11237XL.jpg?v=1722377232&width=533)
