Gravity MG670-LW 6.5" 2-Way Marine Speakers

The Gravity MG670-LW is a pair of 6.5-inch 2-way marine speakers designed for boat, watercraft, and outdoor vehicle audio installations. They provide a compact replacement option where conventional vehicle speakers may be exposed to splashes, sun, and changing weather. The black low-profile format is intended for installations that need a standard-size marine speaker.

These speakers are suited to users upgrading sound on boats, personal watercraft, and off-road vehicles. Their 4-ohm impedance is compatible with common mobile-audio speaker systems. The pair is listed with a 350-watt maximum power rating, while an RMS rating is not specified in the available product information.

The MG670-LW uses a 2-way design to cover a broader range than a single-driver speaker. Available specifications list an 80 Hz to 20 kHz frequency response and 88 dB sensitivity. This gives the speakers a practical full-range role in a marine or outdoor stereo system.

For environmental durability, the speakers are described as waterproof and weather resistant, with UV protection also specified for the MG670-LW. Built-in blue LED illumination adds a visible accent around the speaker installation. No IP rating or LED wiring specification is published.

The MG670-LW can be used as a direct-size upgrade in installations designed around 6.5-inch speakers, subject to verifying the mounting opening and clearance. Its 60 mm mounting depth and spade-style terminals support straightforward planning before installation. Pair it with a compatible marine-capable stereo or external amplifier and appropriate wiring for the application.

Key Features

• 6.5-Inch Pair: Includes two matching marine speakers for a stereo installation.
• 2-Way Design: Supports full-range sound reproduction from each speaker location.
• Weather-Resistant Construction: Intended for exposed boat and outdoor vehicle environments.
• Blue LED Lighting: Integrated illumination adds a visible accent to the installation.
• 4-Ohm Impedance: Fits common mobile and marine speaker-system configurations.
• Spade Terminals: Provides a simple connection point for speaker wiring.

Design & Installation

The MG670-LW combines a black low-profile exterior with a plastic outer construction, UV protection, and water-resistant design. It uses a 10-ounce magnet and an anti-resonant stamped basket. The built-in blue LEDs complement marine, watercraft, and off-road installations without changing the speaker's 6.5-inch form factor.

Confirm that the mounting location accepts a 6.5-inch speaker and provides at least 60 mm of mounting depth before cutting or fastening. Connect speaker leads to the spade terminals and plan LED wiring according to the vehicle's electrical system; LED wiring details are not published. Use the pair with compatible 4-ohm marine audio equipment, and protect all connections appropriately for the installation environment.