1. Introduction
Thank you for choosing BOSS Audio Systems MR6W 6.5-inch Marine Speakers. These speakers are designed to provide high-quality audio in marine environments, featuring weatherproof construction for durability. This manual provides essential information for the proper installation, operation, and maintenance of your speakers.

Image 1.1: BOSS Audio Systems MR6W Marine Speakers in a water splash.
2. Safety Information
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
To ensure safe operation and prevent damage, please observe the following precautions:
- Always disconnect the vehicle's battery before beginning any electrical work.
- Ensure all wiring is properly insulated and secured to prevent short circuits and damage.
- Consult a professional installer if you are unsure about any aspect of the installation process.
- Do not operate the speakers at excessively high volumes for prolonged periods, as this may cause hearing damage.
- Ensure the mounting location is structurally sound and free from obstructions.
3. Setup and Installation
The MR6W speakers are designed for flush mount installation. Careful planning and precise measurements are crucial for optimal performance and fit.
3.1. Dimensions and Mounting
Refer to the diagram below for detailed dimensions required for installation.

Image 3.1: Speaker dimensions for installation.
- Overall Diameter: 7.5 inches (191 mm)
- Overall Height: 3.11 inches (79 mm)
- Mounting Depth: 2.24 inches (57 mm)
- Installation Hole Diameter: 5.47 inches (139 mm)
3.2. Included Components
The package includes the following items:
- 2 x MR6W Marine Speakers
- Mounting Screws
- Mounting Clips

Image 3.2: Contents included in the product box.
3.3. Wiring
The MR6W speakers have an impedance of 4 Ohms. Ensure your amplifier or head unit is compatible with this impedance. Connect the speaker wires to the appropriate positive (+) and negative (-) terminals on your audio source. Proper polarity is essential for optimal sound quality.
3.4. Power Source
These speakers are designed to be powered by a corded electric connection, typically from a marine audio amplifier or head unit. A 12V battery is required for the overall audio system operation.
BOSS Audio Systems strongly encourages professional installation of this product to ensure proper and safe functionality.
4. Operating Instructions
Once properly installed and connected to an audio source, your MR6W marine speakers are ready for use. These speakers are designed for music playback in marine environments.

Image 4.1: MR6W speakers are full-range and weatherproof.
- Compatible Devices: The speakers can be connected to various audio sources including marine stereos, desktop systems, laptops, MP3 players, smartphones, tablets, and televisions, provided they have appropriate audio outputs and amplification.
- Audio Output Mode: The speakers support surround sound channel configuration, enhancing the audio experience when paired with a compatible system.
- Control Method: Audio playback and volume are typically controlled via the connected audio source (e.g., marine stereo, smartphone).
5. Maintenance
The MR6W speakers are designed with weatherproofing for marine use. Regular maintenance will help prolong their lifespan and maintain performance.
- Cleaning: Periodically clean the speaker grilles and surfaces with a soft, damp cloth. Avoid using harsh chemicals or abrasive cleaners, which can damage the finish or components.
- Inspection: Regularly inspect the speaker mounting and wiring for any signs of wear, corrosion, or looseness. Tighten any loose connections or mounting hardware as needed.
- Water Resistance: While weatherproof, avoid directing high-pressure water sprays directly at the speakers.
6. Troubleshooting
If you encounter issues with your MR6W speakers, refer to the following common troubleshooting steps:
- No Sound:
- Check all wiring connections from the speakers to the amplifier/head unit. Ensure they are secure and correctly connected (positive to positive, negative to negative).
- Verify the amplifier/head unit is powered on and functioning correctly.
- Check the volume level on your audio source.
- Distorted Sound:
- Reduce the volume level on your audio source.
- Ensure the amplifier gain settings are not too high, causing clipping.
- Inspect speaker cones for any physical damage.
- Intermittent Sound:
- Check for loose wiring connections at both the speaker and the audio source.
- Ensure there are no frayed wires causing intermittent contact.
If problems persist after performing these checks, contact BOSS Audio Systems customer support or a qualified technician.
7. Specifications
The following are the technical specifications for the BOSS Audio Systems MR6W 6.5-inch Marine Speakers:
| Feature | Specification |
|---|---|
| Model Name | MR6W |
| Speaker Type | Coaxial, Full Range, 2-Way |
| Speaker Size | 6.5 Inches |
| Peak Power Handling (Per Pair) | 180 Watts |
| RMS Power Handling (Per Pair) | 90 Watts |
| Impedance | 4 Ohms |
| Frequency Response | 80 Hz - 20 kHz |
| System Sensitivity (1 W/1 m) | 89 dB |
| Cone Material | Polypropylene |
| Voice Coil | Dual 1-inch |
| Surround Material | Treated Cloth |
| Basket Material | Plastic |
| Tweeter Type | 1-inch Mylar Dome |
| Mounting Type | Flush Mount |
| Overall Diameter | 7.5 inches (191 mm) |
| Mounting Depth | 2.24 inches (57 mm) |
| Installation Hole Diameter | 5.47 inches (139 mm) |
| Item Weight (Per Pair) | 3.34 lbs |
| Water Resistance Level | Weatherproof / Water Resistant |
| Power Source | Corded Electric (requires 12V battery for system) |

Image 7.1: Key features and specifications summary.
8. Warranty and Support
BOSS Audio Systems provides a powerful 3-year platinum online dealer warranty for the MR6W speakers, provided the purchase is made through Amazon.com. Please register your product online after purchase to activate the warranty.
For technical support, warranty claims, or further assistance, please visit the official BOSS Audio Systems website or contact their customer service department.
Manufacturer: BOSS Audio Systems
Model Number: MR6W







