Boss Audio Systems MR62B

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Summary

Installation

Important Notes

Consult an expert, disconnect battery, ensure secure mounting, and check vehicle integrity before installation.

Mounting Instructions

Determine location, cut mounting/screw holes using template, connect wiring, and fasten speaker securely.

Wiring Guide

Connect speakers to 12VDC source using spade connectors, observing polarity and impedance.

Summary

Installation

Important Notes

Consult an expert, disconnect battery, ensure secure mounting, and check vehicle integrity before installation.

Mounting Instructions

Determine location, cut mounting/screw holes using template, connect wiring, and fasten speaker securely.

Wiring Guide

Connect speakers to 12VDC source using spade connectors, observing polarity and impedance.

This document describes the BOSS Audio Systems MR62B/MR62W 6.5” (165 mm) Marine 2-Way Full Range Speakers. These speakers are designed for outdoor use, specifically in marine environments, and are sold as a pair.

Function Description

The MR62B/MR62W speakers are 2-way full-range audio devices intended to provide sound reproduction in various marine applications. They are designed to be water-resistant, making them suitable for environments where exposure to moisture is common, though they should not be submerged. The speakers feature a fixed grill and are supplied with all necessary mounting hardware for installation.

Important Technical Specifications

General:

Model: MR62B/MR62W
Type: 2-Way Full Range Speakers
Size: 6.5” (165 mm)
Quantity: 1 Pair
Outdoor Use: Yes, water-resistant (do not submerge)

Speaker Components:

Woofer: 6.5” (165 mm) polypropylene cone with resin-treated cloth surround. This material choice contributes to durability and sound quality in marine conditions.
Tweeter: 13 mm dome tweeter, designed for clear high-frequency reproduction.

Audio Performance:

Output Power: Maximum 200 W, indicating a robust power handling capability for loud and clear audio.
Nominal Impedance: 4 Ω, a common impedance for car and marine audio systems, ensuring compatibility with a wide range of amplifiers.
Frequency Response: 80 Hz - 20 kHz, covering a broad spectrum of audible frequencies from bass to treble.
System Sensitivity: 90 dB (1 watt/1 meter), suggesting good efficiency, meaning they can produce significant sound output with relatively less power input.

Physical Dimensions:

Overall Diameter (A): 7.60” (193 mm)
Mounting Hole Diameter (B): 5.59” (142 mm)
Mounting Depth (C): 2.625” (67 mm)
Grill Protrusion (D): 1.02” (26 mm)
Outer Motor Diameter (E): 4.49” (114 mm)

Package Contents:

2x Speakers (with fixed grill)
8x Mounting screws and clip nuts
2x EVA gaskets (for sealing and vibration dampening)
Cutout template
Warranty information

Usage Features

Installation:

Mounting Flexibility: Can be used to replace existing speakers in their mounting locations or installed in new cutouts in vehicle or boat panels.
Template-Guided Installation: A supplied cutout template assists in accurately marking and cutting the mounting hole and screw holes.
Secure Fastening: Speakers are fastened with four supplied screws and clip nuts, ensuring a stable installation.
Flush Mounting: Designed to sit flush across the mounting surface for a clean look and optimal sound.
Wiring: Requires high-quality marine-grade speaker wires with spade connectors (not included).
- Polarity: Connect the positive wire to the terminal marked “+” and the negative wire to the terminal marked “-”. Correct polarity is crucial for optimal sound and speaker performance.
- Impedance Matching: Ensure speakers are wired correctly at 4 ohms.
- Wire Routing: Advised to route wires away from sharp/moving parts and other wires that may cause noise. Proper insulation of bare wires is also recommended.

Break-in Period:

It is recommended to properly break in the speakers before reaching maximum volume. This involves two 20-minute cycles at regular volume. This process helps the speaker components settle and perform optimally.

Durability:

Water-Resistant Design: Built for outdoor and marine environments, capable of withstanding splashes and moisture. However, submersion is explicitly warned against.
Material Choices: Polypropylene cone and resin-treated cloth surround for the woofer are chosen for their resilience and performance in challenging conditions.

Maintenance Features

Installation Considerations (Preventative Maintenance):

Professional Installation Recommended: For those in doubt, consulting an expert or opting for professional installation is advised to ensure correct setup and avoid damage.
Battery Disconnection: Always disconnect the negative terminal of the vehicle battery prior to installation to prevent electrical shorts or damage.
Secure Mounting: Emphasizes firmly securing speakers and ensuring the mounting area is stable to prevent detachment during accidents.
Vehicle Integrity: If vehicle modification is necessary, care must be taken not to impair the safety and structural integrity of the vehicle.
Pre-Drill Inspection: Before drilling or cutting, thoroughly investigate the vehicle's layout, paying close attention to fuel tanks, fuel lines, hydraulic lines, and electrical wiring to prevent damage or safety hazards.

Operational Care:

Avoid Submersion: While water-resistant, the speakers are not designed to be submerged. This is a critical point for longevity.
Proper Wiring: Maintaining correct wiring polarity and impedance (4 ohms) is essential for the long-term health and performance of the speakers and connected amplifier.
Wire Protection: Ensuring wires are routed safely and insulated properly prevents wear, short circuits, and potential noise interference, contributing to the system's overall reliability.

The BOSS Audio Systems MR62B/MR62W speakers are a robust and well-specified option for marine audio, designed with both performance and durability in mind for challenging outdoor conditions.