Description
Poly-Planar MB-21 8W VHF Extension Speaker | Boat Supply Store
Ensure critical VHF radio communications remain audible in noisy operational environments with the Poly-Planar MB-21. This 8-watt peak power handling speaker features a robust, completely waterproof and corrosion-proof design constructed with stainless steel grills and Teflon-coated wires. Measuring 2-15/16" x 2-3/4" x 1-5/16", its compact form factor facilitates installation on center consoles or helm stations of vessels ranging from center consoles to larger cruisers navigating the Texas coast.
Key Features
- Completely Waterproof construction for uncompromised operation in washdowns and spray.
- Corrosion-Proof materials, including stainless steel grills, ensure longevity in saltwater.
- Robust Construction with sturdy plastic frames and polypropylene cones withstand marine conditions.
- Enhanced Audibility for clear VHF radio transmissions and reception.
- Compact Design allows for flexible mounting in space-constrained helm areas.
- Easy Installation with included stainless steel mounting bracket and 10' lead wire.
- Versatile Connectivity via mini-plug and RCA adapter for broad VHF compatibility.
- Durable Teflon-Coated Wires resist environmental degradation.
Specifications
| Product Specifications | |
|---|---|
| Peak Power Handling | 8 Watts |
| Continuous Power | 4 Watts |
| Impedance | 4 ohm |
| Weight | 0.35 lbs |
| Overall Dimensions | 2-15/16" x 2-3/4" x 1-5/16" |
| Lead Wire Length | 10' |
| Connector Type | Mini-plug and RCA adapter |
Who This Is For
Boat owners and marine enthusiasts requiring a durable, compact solution to improve VHF radio audio clarity. Ideal for those operating in noisy conditions seeking a reliable secondary speaker for essential communication.
How It Compares
| Feature | Poly-Planar MB-21 8W VHF Extension Speaker | Competitor |
|---|---|---|
| Peak Power Handling | 8 watts | 50 watts |
| Continuous Power | 4 watts | 25 watts |
| Speaker Impedance | 4 ohm | 4 ohm |
| Waterproof Rating | Completely waterproof | IP65 |
| Lead Wire Length | 10' | null |
| Connector Type | Mini-plug and RCA adapter | Bare wire |
Common Concerns Answered
Is the Poly-Planar MB-21 speaker waterproof?
Yes, the Poly-Planar MB-21 features a completely waterproof and corrosion-proof design, ensuring reliable performance in harsh marine environments.
Will this speaker be loud enough for a very noisy engine room?
While the MB-21 effectively improves audibility, for extremely noisy engine environments, users might find a higher wattage amplifier or a more powerful dedicated speaker necessary for optimal clarity.
Can I extend the wiring on this speaker if needed?
The MB-21 comes with a 10' lead wire. While extensions can be made, users preferring a longer initial wire run might consider the lead wire length limitation.
Frequently Asked Questions
What is the power handling of the Poly-Planar MB-21 speaker?
The Poly-Planar MB-21 speaker has a peak power handling of 8 watts and a continuous power rating of 4 watts.
What are the dimensions of the Poly-Planar MB-21 speaker?
The overall dimensions of the Poly-Planar MB-21 speaker are 2-15/16 inches by 2-3/4 inches by 1-5/16 inches.
Does the Poly-Planar MB-21 speaker come with a mounting bracket?
Yes, the Poly-Planar MB-21 speaker includes a stainless steel mounting bracket for simplified installation.
What type of connector does the Poly-Planar MB-21 speaker have?
The Poly-Planar MB-21 speaker comes equipped with a 10' lead wire featuring a mini-plug and an RCA adapter for connectivity.
What is the impedance of the Poly-Planar MB-21 speaker?
The impedance of the Poly-Planar MB-21 speaker is 4 ohm.
