Defender Home Page
Phone: 800-628-8225 Fax: 800-654-1616 Int'l.: 860-701-3400 Email: Contact Us
follow me on facebook
Shipping Info
no sales tax Defender Home Page
Your Cart

View Cart View Shopping Cart
Check My Order(s)
Track My Package(s)
Conversion Chart
Shopping Areas
Boats & Motors
 Defender Seal
Poly-Planar MB41 Marine VHF Radio Remote Extension Speaker

Poly-Planar MB41 Marine VHF Radio Remote Extension Speaker

  • Dimensions: 4-5/8" H x 4-5/8" W x 2-1/8" D
  • Audio Output: 10 Watts Maximum Power, Impedance: 4 Ohm
  • Mount: Surface, Select Color
  • Item #: 
    Model #: 
    Shipping Weight: 
    1.30 Lbs.
    List Price: 
    Our Price:
    Please enter quantity below.
    Model #
      *In Stock!*
    Our Price: $31.99
      *In Stock!*
    Our Price: $31.99
    Click the "More Info" button above for specific information about that product.


    • This Poly-Planar MB41 waterproof, VHF extension speaker can be mounted where you can hear your VHF radio
    • Keep your VHF radio in an out-of-the way location where it won't get wet
    • In addition to protecting your radio, VHF extension speakers add safety
      • Mounted at shoulder level, an extension speaker eliminates crouching over the radio to hear it, permitting greater visibility and more comfortable piloting
      • An extension speaker they makes it easier to hear faint broadcasts and distress signals
    • Stands up to harsh marine effects
      • Completely waterproof and corrosion-proof
      • Stainless steel grille
      • Sturdy plastic frame
      • Coated internal wiring for long life
      • Heavy duty ABS plastic enclosure
      • Polypropylene speaker cones and TEFLON-coated wires
    • Two-year Warranty


    • Actual Speaker Size: 4-1/2"
    • Depth: 2"
    • Surface Mount
    • 10' lead wire
    • 3.5mm mini-plug fits most VHF Radios
    • 4 Ohm Impedance
    • 10 Watts Maximum Power
    • Stainless Steel mounting Bracket and hardware
    • Overall Dimensions:  4-5/8" x 4-5/8" x 2-1/8" (117 mm x 117 mm x 53 mm)
    WARNING: This product MAY expose you to chemicals, which are known to the State of California to cause cancer, birth defects and/or other reproductive harm. For more information go to


    Have A Suggestion?

    Help us make our site better for everyone! Let us know you've found something wrong or frustrating on this page and we will improve it. Please mark each that apply.

    Product has been improperly categorized
    Page loads too slowly
    Product information is incorrect
    Page has errors or bugs
    Site is frustrating or difficult to use
    Product image is missing or wrong
    Cannot find my size
    Spelling errors on page
    Not enough product information

    Comments or Examples:
    Examples: Missing information such as dimensions and model number, typos, inaccuracies, etc...

    Please include your e-mail address below if you would like us to respond to your comments or questions.             

    Join Our Email List And Receive our Monthly Promotions
    Defender Email Specials
    Click Here For Our Privacy Policy