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JL Audio Marine M770-ETX-DM-CG-WH (White with Classic Grilles)

7.7" Enclosed Marine Deck-Mount Tower Coaxial Speaker System with White "Classic Grilles"

Discontinued
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This item has been discontinued

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General Features:

  • 7.7" Enclosed Marine Deck-Mount Tower Coaxial Speaker System
  • Power Handling:
    • Peak: 175 watts
    • RMS: 100 watts
  • Injection-molded, mica-filled polypropylene cone woofer
  • Synthetic rubber surround
  • 1" Silk dome tweeter
  • Vented motor with marine-grade stainless steel rear diffuser plate
  • Marine-grade, synthetic fiber spider with progressive roll-design
  • DMA Optimized long excursion design for enhanced output
  • Two-way crossover
  • 4 ohms impedance
  • Top-mount depth: 3-1/8"
  • 1-year SonicElectronix.com Warranty

Priced Per Pair

Tower Speakers Specifications

Speaker Size
Refers to the size of the speaker measured in inches. Every vehicle has standard application sizes. Please use our vehicle fitment guide for your vehicle's specific speaker sizes if you do not know them.
7-3/4" (7.7")
Tweeter Design
Designs such as cone, dome, semi-dome, balanced dome, and whizzer are most popular. Cone tweeters are simple, efficient and typically are the most reasonably priced. Dome tweeters are used in most home speakers, and provide a smoother and more accurate sound. Semi-dome design is one with a dome placed inside a cone. A Balanced dome driver is a semi-dome with equal reproduction area given the cone and dome portions of the driver. A whizzer tweeter is a separate tweeter cone driven by the voice coil of the woofer.
Dome
Tweeter Composition
Materials such as polypropylene, silk, cloth, and paper are the most common, where as many more recent tweeters are now manufactured with composites such as Aluminum, Titanium, Mylar, and other materials.

PEI is an acronym for "Polyetherimide" which is an amorphous, amber transparent, high-performance thermoplastic.

Silk
Woofer Composition
Lightweight woofer cone materials are essential for efficient operation. Poly cones produce exceptional sound and are sturdy against various changes in temperature. Paper cones are very efficient, and when treated for moisture resistance, will perform at a high level. Poly refers to polypropylene, which is thermoplastic or fibers that are polymers of propylene. IMPP refers to injection molded polypropylene, a commonly used process and material in speakers.
Mica Injected Polypropylene (MIPP)
Woofer Surround
A speakers surround is part of the suspension system. The surround protects the cone and prevents it from being displaced as it flexes out from the basket. It is usually made of a durable material like treated foam or rubber in order to withstand the strenuous job of producing bass frequencies.
Synthetic Rubber
Peak Power Handling
Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements. The Peak power handling specification is typically rated per speaker unless otherwise noted.
175 watts
RMS Power Handling
The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend powering your speakers or subwoofer with 80%-120% of its recommended RMS rating. The RMS power handling specification is typically rated per speaker unless otherwise noted.
100 watts
Sensitivity
An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
 
Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".
91 dB
Frequency Response
The range of frequencies the speaker will reproduce (lowest frequency to the highest). Bigger is better, meaning the wider the range, the better. The optimal range is 20 - 20,000 Hz (which is the range of human hearing).
45 - 25000 Hz
Minimum Pole Mounting Diameter
When mounting a marine tower speaker to a pole, this is the minimum diameter that the pole can be.
Maximum Pole Mounting Diameter
When mounting a marine tower speaker to a pole, this is the maximum diameter that the pole can be.
Tower Mounting Brackets
This will indicate whether the item is compatible with mounting brackets and whether they are included in the initial purchase. Mounting brackets are typically used in attaching the speaker to a tower, however some mounting brackets allow the speaker to be attached to the deck of the boat.

Specials with this Item

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Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
100%
4 Star
0%
3 Star
0%
2 Star
0%
1 Star
0%

Average Attribution Rating

Durability
5.0
Value
5.0
Features
5.0
Design
5.0
Usability
5.0

Matt

Tulsa, OK

Overall
Durability
Value
Features
Design
Usability

Awesome speakers

June 19, 2012

Great package. They look awesome on the boat and sound even better. I love how the speaker wires are hidden inside the mounting brackets.

0 of 0 found this helpful

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Product Summary

Manufacturer

Model Number

M770-ETX-DM-CG-WH

UPC

699440918459

Weight

25.00lbs

Internal SKU

m770etxdmcgwh

Internal Product ID

17437

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: JL Audio Marine M770-ETX-DM-CG-WH (White with Classic Grilles)