Description
MA8C-B Marine 8" 150-Watt RMS 4Ω Coaxial Speaker Pair with RGB Lighting
The MTX MA8C-B is an 8-inch marine coaxial speaker pair designed for clear, consistent audio in harsh marine and open-air environments. With weather-tested construction, balanced full-range tuning, integrated RGB LED lighting, and a black finish with customizable grille styling, it is built for dependable use in boats and other exposed audio systems.
Overview
8" Marine Coaxials for Higher-Output Open-Air Audio
The MA8C-B is built as an 8-inch marine coaxial speaker for boats and other open-air applications where both durability and sound quality matter. Its larger driver format, weather-tested construction, and balanced coaxial design make it a practical option for marine systems that need dependable long-term use.
Sold as a speaker pair, the MA8C-B combines marine-focused protection, efficient output, customizable RGB styling, and installation-friendly terminals in a black-finish package suited for exposed environments.
- 8" marine coaxial speaker pair.
- Built for boats and other open-air systems.
- Designed for consistent full-range audio in harsh conditions.
Marine Construction
Weather-Tested for Harsh Conditions
The MA8C-B is designed to withstand prolonged exposure to sun, water, and salt. The front side is IP67 rated and the speaker has passed 500 hours of ASTM G154 UV testing and 500 hours of ISO 16750-4 salt spray testing. An ASA impact-resistant grille adds protection against physical wear in marine environments.
- Front-side IP67 rated.
- 500-hour UV testing and 500-hour salt spray testing.
- ASA impact-resistant grille for added durability.
Feature Highlights
What the MA8C-B Adds to a Build
Driver Design
8" Polypropylene Woofer with Dual Tweeters
The MA8C-B uses an 8-inch polypropylene woofer paired with dual Teteron dome tweeters to create a balanced full-range presentation. The provided product data emphasizes smooth midrange response, clear highs, and controlled low-end performance for marine and open-air listening.
- 8" polypropylene woofer.
- Dual Teteron dome tweeters.
- Balanced full-range marine speaker tuning.
Styling & Installation
RGB Lighting with Custom-Finish Flexibility
Integrated RGB LED lighting gives the MA8C-B added visual impact, while the paintable grille overlay helps create a more coordinated installation. Quick-disconnect speaker and RGB terminals add practical setup benefits for marine installs.
- Integrated RGB LED lighting.
- Paintable grille overlay.
- Quick-disconnect speaker and RGB terminals.
- Black finish for marine and custom installs.
| Model | MTX MA8C-B |
| Type | 8" coaxial speaker pair |
| Color | Black |
| RMS Power Handling | 150 watts |
| Peak Power Handling | 300 watts |
| Impedance | 4Ω |
| Sensitivity (2.83V/1m) | 90.8dB |
| Frequency Response | 50Hz - 20kHz |
| Woofer | 8" polypropylene woofer |
| Tweeters | Dual Teteron dome tweeters |
| Lighting | Integrated RGB LED lighting |
| Grille | ASA impact-resistant grille with paintable overlay |
| Terminals | Quick disconnect speaker and RGB terminals |
| UV Testing | ASTM G154 UV testing – 500 hours |
| Salt Spray Testing | ISO 16750-4 salt spray testing – 500 hours (front side only) |
| Water Resistance | IP67 rated (front side only) |
| Compliance | CEA-2031 complaint |
| Overall Diameter | 8 9/16" (217mm) |
| Screw Mounting Diameter | 7 11/16" (194mm) |
| Overall Height | 4 15/16" (125mm) |
| Mounting Depth | 3 3/16" (80mm) |
| Cut-out Diameter | 6 3/4" (171mm) |
| Grille Height | 1 13/16" (45mm) |
The MA8C-B is described as a marine-ready 8-inch coaxial speaker pair for boats and open-air systems where weather resistance, dependable output, and customizable styling are all important.
Used Frequently Asked Questions
- What does used mean? Used products may be unused customer returns that are essentially "new" items, or they may be previously installed products that were returned under warranty or during our return policy period.
- What is the warranty? All of our used items come with a 90-day warranty.
- What's it look like? All of our used items are inspected and graded by our returns team at our facilities. They will test them and grade them to one of four standard gradings: Used Open Box, Used Very Good, Used Good, and Used Acceptable. Please see the following descriptions of each grade - also note that if an item falls under ANY of the criteria for a certain grade, even though the rest of the product is better, we will give it the lowest grade.
- Used Open Box An item in perfect working condition. Original protective wrapping may be missing, but the original packaging is intact and in good condition with minor damage possible. Instructions are included.
- Used Very Good A well-cared-for item with limited use, remains in good working condition. The item may show some limited signs of wear,small scratches,cosmetic blemishes. Item may arrive with damaged packaging or be repackaged and could be missing some accessories.
- Used Good The item shows wear from use, remains in good condition and functions properly. May have damaged packaging or be repackaged. It may be marked, have identifying markings on it, have minor cosmetic damage. It may be missing some parts or accessories.
- Used Acceptable The item is fairly worn but continues to function properly. While repackaged; signs of wear can include aesthetic issues; scratches, dents. The item may have markings on it or show signs of previous use. Item may be missing some parts or accessories.
- Have more questions? Call us, send us a chat, or an email. We'll be able to answer any additional questions you may have.