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![Poly-Planar MB-21 8 Watt VHF Extension Speaker - Black [MB21B]](https://cdn1.zohoecommerce.com/product-images/611lyGK9HJL._AC_SL1000_.jpg/3219694000306190637/200x200?storefront_domain=www.bzdefense.com)
Poly-Planar MB-21 8 Watt VHF Extension Speaker - Black [MB21B]
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MB-21 8 Watt VHF Extension Speaker - Black. This compact marine communications speaker includes a stainless steel mounting bracket and stainless steel grill. These waterproof communication speakers can be mounted where you can hear your VHF radio. Features: 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. Specifications: Peak Power Handling - 8 watts. Continuous Power - 4 watts. 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 as a Single. This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. VHF Extension Speakers Surface Mount Part Number: MB-21B. This compact marine communications speaker includes a stainless steel mounting bracket and stainless steel grill. 8 watts Maximum handling power. Comes equipped with a 10' lead wire and mini-plug. These waterproof communication speakers can be mounted where you can hear your VHF radiotelephone. Features Completely waterproof and corrosion-proof. Features stainless steel grills, sturdy plastic frames, polypropylene speaker cones and teflon-coated wires. Ideal for use as a VHF remote. Available in black or white color speaker. *Sold as a Single. Box Dimensions: 2"H x 5"W x 8"L. WT: 0.5 lbs.
Specifications:
| Materials & Construction | |
| Material | Stainless Steel, Plastic, Polypropylene |
| Outer Material | Stainless Steel |
| Product Details | |
| Audio Output Mode | Mono |
| Connectivity Technology | Bluetooth |
| Is Waterproof | True |
| Item model number | 10 |
| Mounting Type | Boat Mount |
| Power Source | Battery Powered |
| Speaker Maximum Output Power | 8 Watts |
| Speaker Size | 2.94 Inches |
| Sizing & Dimensions | |
| Height | 2.72 inches |
| Length | 1.3 inches |
| Product Dimensions | 1.3" x 2.91" x 2.72" inches |
| Size | 2.94 Inches |
| Weight | 0.16 ounces |
| Width | 2.91 inches |
| Technical Specifications | |
| Audio Output Mode | Mono |
| Connectivity Technology | Bluetooth |
| Speaker Impedance | 4 ohm |
| Speaker Maximum Output Power | 8 Watts |
| SPL | 83 dB+/-3 dB |

