When it comes to water & corrosion proof marine and outdoor speakers,
poly-planar® continues to set the standard as an innovator in technology and design.
Proven Performance
Easy to install and packaged with stainless steel hardware, poly-planar® boat speakers are precision designed and built with components that can withstand the punishing marine and outdoor environments.
MB-21 – Extension - Black Speakers
These compact marine communications speakers come with stainless steel mounting brackets. These waterproof communication speakers can be mounted anywhere.
- Ideal design for locations where other speakers won’t fit
- Completely waterproof and corrosion-proof
- Features stainless steel grills, sturdy plastic frames, polypropylene speaker cones and Teflon-coated wires
- 10' Lead wire w/mini-plug and RCA adapter
- Speaker Impedance - 4 ohm
- Weight - 0.35 lbs. per speaker
- Overall Dimensions - 2-15/16" x 2-3/4" x 1-5/16" (74mm x 69mm x 33mm)
- SOLD IN PAIRS (2 SPEAKERS)
- These speakers can be mounted to a bar using p clamps, not included which are sold at most hardware stores
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If you are in AK, HI, or US Protectorates; there may be an additional shipping surcharge needed. A representative will contact you and we can not ship until we receive invoice payment with the proper shipping cost. Thank you.
- International Customers: Depending on the destination country, international orders can occasionally be delayed or held in customs. We understand that such delays can be very inconvenient when they occur, but we do not have any influence over such situations. We do not have any communication with the shipping carrier once the package has left the U.S.A. FOR MORE INFO CONTACT's International Shipping Network.