Poly-Planar
Poly-Planar MB21 - 8 W PMPO Outdoor Speaker - White (mb-21)
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- SKU:
- 18009119
- MPN:
- mb-21
- Availability:
- Usually ships the same or next business day. In stock at our NJ warehouse.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 12/08/2025 06:24:04 PM PST
Bulk discount rates
Below are the available bulk discount rates for each individual item when you purchase a certain amount
| Buy 2 | and pay only $24.05 each 24.05 |
| Buy 3 | and pay only $22.39 each 22.39 |
| Buy 4 - 9 | and pay only $21.08 each 21.08 |
| Buy 10 - 19 | and pay only $19.03 each 19.03 |
| Buy 20 or above | and pay only $18.53 each 18.53 |
- Stock Update:
- 12/08/2025 06:24:04 PM PST
Description
This item is brand-new, factory sealed.
Poly-Planar MB21 8W VHF Extension Speakers Surface Mount - White
Model: MB21- Completely waterproof and corrosion-proof
- Features stainless steel grills, sturdy plastic frames, polypropylene speaker cones and -coated wires
- Ideal for use as a VHF remote
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.
Specifications| Peak Power Handling | 8 watts |
| Speaker Impedance | 4 ohm |
| Frequency Range | 1K to 10K Hz |
| Overall Dimensions | 2 15/16? x 2 3/4? x 1 5/16? (74mm x 69mm x 33mm) |
What's in the Box:
- MB21 Speaker with 10' lead - White
- Mounting bracket and Knobs
- MB21 - 8W VHF Extension Speakers Surface Mount
- Mounting Bracket
- Grill
- 10' Lead Wire
- Stainless Steel
- Plastic
- Polypropylene
Features
Package Contents:
Marine
Application/Usage:
Marine
Specs
| Physical Characteristics | |
| Product Material | |
| Form Factor | Surface Mount |
| Weight (Approximate) | 5.60 oz |
| Product Color | White |
| Durability | Water Proof |
| Height | 2.9" |
| Width | 2.7" |
| Depth | 1.28" |
| Speaker Installation | Outdoor |
| General Information | |
| Brand Name | Poly-Planar |
| Manufacturer Website Address | http://www.polyplanar.com |
| Marketing Information | 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. |
| Product Type | Speaker |
| Product Name | MB21 - 8W VHF Extension Speakers Surface Mount |
| Manufacturer | Poly-Planar, LLC |
| Manufacturer Part Number | MB21W |
| Product Model | MB21 |
| Technical Information | |
| PMPO Output Power | 8 W |
| Minimum Frequency Response | 1 kHz |
| Maximum Frequency Response | 10 kHz |
| Sound Pressure Level | 83 dB |
| Cable Length | 10" |
| Impedance | 4 Ohm |
Warranty Information
All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Poly-Planar MB21 - 8 W PMPO Outdoor Speaker - White (mb-21)
$29.10