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Eclipse SC6900

6" x 9" 2-way Component Speakers System


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  • 6" x 9" Component Series Component System
  • Power Handling:
    • Peak: 480 watts per system / 240 watts each side
    • RMS: 160 watts per system / 80 watts each side
  • Glass Fiber-Kevlar cone
  • Rubber surround
  • 1" Silk dome tweeters
  • Aluminum cast baskets
  • Aluminum phase plug
  • Aluminum voice coil former
  • High-pass crossover network (12 dB/octave)
  • Low-pass crossover network (6 dB/octave)
  • Linkwitz Riley, Optimum "Q" alignment
  • OFC (Oxygen Free Copper)
  • Metallized polypropylene capacitors
  • Switchable tweeter protection circuitry
  • Selectable +3 dB/0 dB/-3 dB tweeter sensitivity
  • 4 ohms impedance
  • 16oz. magnet
  • Top-mount depth: 2-1/8"
  • 1-year warranty

Priced Per Complete Component System: 2 midwoofers, 2 tweeters and 2 crossover networks.

Speaker Specifications

This is the manufacturer product line of speakers.
Priced Per
Car Speakers are typically sold in pairs so you will receive 2 speakers for each speaker purchase on speakers marked "Priced Per Pair". If a speaker is marked "Priced Per Each" then the speaker is sold individually and each purchase you make will result in 1 speaker. High-powered tweeters, midrange and full-range pro audio for car speakers are typically sold per each speaker.
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.
6" x 9"
The number of individual drivers in a car speaker. Speakers with 2 drivers are known as a 2-way, and 3 drivers are known as a 3-way. Component systems are often referred to as "separates" because the tweeter is not attached to the midwoofer (main speaker driver) and mounts separately in a location such as a door post. Component systems typically come with an external crossover so you can easily adjust the high and low frequencies sent to both the midwoofer and the tweeter. Center channel speakers are great for those looking to have surround sound in their vehicle.
2-way Component System
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.
Tweeter Size
Refers to the size of the tweeter. Typically, smaller tweeters produces less output with higher frequency response.
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.

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.
Glass Fiber-Kevlar
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.
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.
240 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.
80 watts
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".
86 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).
65 - 25000 Hz
Impedance (Per Voice Coil)
The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.
4 ohms
Shallow Mount Installation
This means that the subwoofer/speaker is designed to be installed in areas that do not have a lot of space. Shallow mount subwoofers are typically found under a seat or behind the seat in some trucks.

Shallow mount speakers will typically have a mounting depth of 2" or less, while shallow mount subwoofers will typically have a mounting depth of 3" or less.

Top-Mount Depth
The depth when installed on top of the mounting surface. Measured from the bottom of the speaker's magnet to the bottom of the mounting holes on the rim of the speaker.
Bottom-Mount Depth
The depth when installed from the bottom of the mounting surface. Measured from the bottom of the speaker's magnet to the top of the mounting holes on the rim of the speaker.
Cutout Dimensions
Refers to the dimensions of the hole, measured in inches, required to contain the speaker.
Speaker Grilles
A grating or screen of metal or plastic bars or wires, mounted in front of a speaker as protection. If yes, the speakers will include matching speaker grilles. If no, there are no grilles included.

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
4 Star
3 Star
2 Star
1 Star

Average Attribution Rating



clean sound

January 1, 2011

these components sound great.very smooth,silk tweeters.the midbass is also pretty good.however make sure not to put to much power into them.i recommend under 50 watts rms,otherwize the tweeters shut down.they overheat,fast.typical silk sure the mids could handle maybe 70 watts of power ,not great engineering by eclipse there.i feel they should have matched the tweeters better to the mids.or maybe its in the crossovers.i didnt get into them,i actually sold both sets with the truck.i really wish they would handle more power as the install is sweet.the baskets are cast on the mids,fit and finish is great.oh well.sonic is an amazing place to shop!!

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Alpharetta, GA

Really good buy!

December 20, 2010

I am quite pleased with the performance of the Eclipse SC6900 component set. I put a pair in the doors of my 4th gen F-body. The mid-bass response is very nice, especially considering there was NONE with the standard 6.5" speaker. Sonic had these available for less than $100! Wow! Thanks, Sonic!

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Great speakers

October 9, 2011

Great speakers!

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Evansdale, IA


May 3, 2011

At this price, there is no reason to buy another speaker. I am running 4 6900's and 4 6500's. They are very comparable to my Kappas and MBQuarts that I also have and are very bright. They have a nice crisp mid-bass and excellent overall sound. The semi-shallow mounting depth will fool you as to how much power they can handle. Overall, I would recommend this speaker above all speakers that are even twice the price.

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Silverhill, AL

Great speaker!

March 13, 2011

I've never had component speakers before this set and all I can say is WOW! Sound from a 6x9 like I've never heard before, I would highly recommend these!

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Ted of Smeg


Eclipse SC6900

January 4, 2011

These speakers sound excellent and are pretty loud. Crisp and clean sounding and price is awesome. Being 2way though there isn't alot of range in high but still are kick ***. I plan on another pair as I own 3 sets already. Would buy again and would defiantly recommend. Quality and price beats anything on the market in the same class range to me.

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maywood, NJ

eclipse sc6900

August 9, 2012

Don't buy at all, I bought it but worst than other speakers.

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Accessory Tools and Products

Accessories added

Streetwires 25 ft. of True Spec 12 Gauge Speaker Wire

You need speaker wire to connect your speakers!

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Belva 23 ft. of True Spec 12 Gauge Speaker Wire

100% Copper Clad Aluminum, high strand count with ultra-flexible PVC blended jacket for easy installation

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12-10 AWG Quick Disconnect Connectors

These yellow quick disconnect connectors make it easy to connect and disconnect speaker wire your to your new aftermarket speakers!

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NVX SDSK2 Speaker Kit

Eliminates speaker panel distortion and reduces vibration, rattles, and squeaks!

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Dynamat Xtreme Speaker Kit 10415

Enough sound dampening for 2 speakers!

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Stinger Roadkill Speaker Kit

Use this to eliminate rattle from your speakers!

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Car Stereo and Speaker Installation Tool Kit

Includes Test Light, Crimp/Splice Tool, Multi-bit Screwdriver and more.

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Xscorpion 9-Piece Nylon Plastic Pry and Chisel Tool Set

Easily removes dash/trims, door clips, panels and pins, rubber grommets and vehicle emblems.

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Xscorpion WDCR2 Window and Door Clip Remover

Removes and installs handle and window crank clips.

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NVX SDRLR1 Sound Dampening Rubber Roller

Install your Sound Dampening with ease! This heavy duty rubber roller is designed specifically to install your NVX products!

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Xscorpion USP-69 6" x 9" Speaker Baffles

Enhance the sound of your speakers with these easy to install speaker baffles.

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XTC 6" x 9" Foam Speaker Baffles

Compresses and forms to the shape of most installations and reduces panel vibrations.

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Universal Stackable 6"x9" Speaker 3/4" Depth Extender

Speakers too deep for your installation location? Add an extra inch of space with these depth extenders.

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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: Eclipse SC6900