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Infinity Reference REF-5020cx

390W Peak (130W RMS) 5-1/4" Reference Series 2-Way Component System with Edge-Driven Textile Tweeters - Pair

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List price $230.00

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$159.95

with warranty A Pair

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Infinity Reference REF-5020cx

390W Peak (130W RMS) 5-1/4" Reference Series 2-Way Component System with Edge-Driven Textile Tweeters - Pair

$159.95

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NVX 25 ft. of True Spec 12 Gauge Speaker Wire

100% OFC wire with EnvyFlex metallic jacket insulates and protects against damage from extreme conditions.

$39.99

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Car Stereo and Speaker Installation Tool Kit

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

$18.99

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NVX SDDK12 Door Kit

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

$47.99

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Bundles with this Product

Get 25% off a Set of F.A.S.T. Rings with Purchase!

Reduce panel vibration, increase mid bass, reduce destructive waves, and get better sound! The F.A.S.T. Rings Kit help to focus all the sound into the cabin, bringing out the full potential of your speakers.

4.50

112221

2191

Infinity Reference REF-5020cx

$159.95

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25% OFF

Mobile Solutions F.A.S.T. Rings 5-1/4" Speaker Enhancer Kit (IA-FAST-5CA)

$17.99

Special Price $13.49 ($17.99 if purchased separately)

Mobile Solutions F.A.S.T. Rings 5-1/4" Speaker Enhancer Kit (IA-FAST-5CA)

• F.A.S.T. ring kit for 5.25" speakers
• Includes 3 piece foam speaker rings
• Acoustically seals speakers for better sound performance
• Absorbs rear wave, prevents front and rear wave cancellation and reduces panels vibrations

Save 50% on Damping Kit to stop the rattles/vibrations!

For a limited time, save 50% on an NVX Sound Deadening Speaker Kit by clicking "Add both to cart" button on select speakers! This offer cannot be combined with any other coupons or offers.

6.50

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1867

Infinity Reference REF-5020cx

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NVX SDSK2 - 90mil 2.3mm THICK

$12.99

Special Price $6.49 ($12.99 if purchased separately)

NVX SDSK2 - 90mil 2.3mm THICK

• Eliminates Road Noise
• 2.3mm (90.55mil) thick for better performance
• Quiets Vibrations
• Stops Annoying Rattles
• Increases SPL
• Reduces Heat
• Simple To Install
• Peel and Stick Installation
• Two 10" x 10" Pieces

FREE Installer's Panel Removal Kit with Purchase!

Get a FREE 5 piece Installer's Panel Removal Kit with the purchase of select speakers. Simply click the "Add Both to Cart" button. This offer cannot be combined with any other coupons or offers.

11.99

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Five Piece Installer's Panel Removal Tool Kit for Car Stereo/Audio (Belva BTK105)

$11.99

Special Price $0 ($11.99 if purchased separately)

Five Piece Installer's Panel Removal Tool Kit for Car Stereo/Audio (Belva BTK105)

• Five Piece Installer's Removal Tool Kit
• Durable Nylon Plastic

FREE Speaker Adapters For Factory 6"x8" Speaker Locations

Get a Free pair of Speaker Adapters For Factory 6"x8" Speaker Locations when you click the "add Both to Cart" button. This offer cannot be combined with any other coupons or offers.

5.99

112221

2143

Infinity Reference REF-5020cx

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Metra 82-5601

$5.99

Special Price $0 ($5.99 if purchased separately)

Metra 82-5601

• 5 1/4" Component Speaker to 6" x 8" Adapter
• Works with 6.5" Speakers
• Installs in 5x7" and 6x8" Locations

(Offer 1 of 4)

Combined Total Price

$173.44

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General Features:

  • 5-1/4" Reference Series 2-Way Component System
  • Power Handling:
    • Peak: 390 watts per pair / 195 watts each
    • RMS: 130 watts per pair / 65 watts each
  • Recommended Power Range: 5 - 65 watts RMS per channel
  • Plus One™ woofer cone
  • Edge-driven, textile tweeters
  • Output level control of 0dB or +3dB on Tweeters for optimized system linearity
  • 3.0 ohms impedance
  • Frequency Response: 67-21000Hz
  • Sensitivity: 93dB
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Priced Per Pair

What's in the Box?

  • 1 pair of woofers
  • 1 pair of tweeters
  • 1 pair of speaker grilles
  • 1 pair of crossovers
  • 1 pair of woofer mounting brackets
  • 1 pair of tweeter surface mount accessories
  • 1 pair of tweeter flush mount accessories
  • 1 pair of tweeter nuts
  • 1 pair of tweeter flat washers
  • 6 tweeter mounting screws
  • 8 woofer mounting screws
  • 8 crossover mounting screws
  • 8 speed clips
  • Foam mounting tape
  • Owner’s manual

Product History:

Infinity REF-5020cx thumbnail
(newest, current model)
Infinity REF-5002ix thumbnail
(previous model, replaced by Infinity Reference REF-5020cx)

Speaker Specifications

Series
This is the manufacturer product line of speakers.
Reference (Infinity)
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.
Pair
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.
5-1/4"
Design
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.
Edge-Driven
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.

Textile
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.
Plus One woofer cones
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.
195 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.
65 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".
93 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).
67 - 21000 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.
3 ohms
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.
Yes
Number of Speakers
This is the number of speaker that is included in the package. Each purchase will result in receiving the number of speakers indicated here. Please note that some items will have multiple woofers in the same enclosure. For sets of component speakers, this number will refer to the number of sets of speakers (For example, 2 would indicate the purchase includes 2 woofers and 2 tweeters).

Please refer to the product image and description for further details about the speaker.

2

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

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Accessory Tools and Products

Accessories added

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Belva 23 ft. of True Spec 12 Gauge Speaker Wire

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Car Stereo and Speaker Installation Tool Kit

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

Your Price $18.99

NVX XTGSP2 Tone Generator and Speaker Polarity Tester

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Your Price $29.99

Belva Five Piece Installer's Panel Removal Tool Kit

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

Your Price $11.99

Universal Wire Puller & Grabber

Running wires has never been easier! This wire puller allows you to run wires through those hard to reach places!

Your Price $7.99

Encore Universal Four Door Power Door Lock Kit

Add Power Door Locking and Unlocking while you have the Door Panels removed

Your Price $29.99

NVX SDDK12 Door Kit

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

Your Price $47.99

Dynamat Xtreme Door Kit 10435

Enough sound dampening to cover most doors!

Your Price $60.97

Stinger Roadkill Door Kit

Use this to eliminate rattle from your doors!

Your Price $39.95

NVX Sound Dampening Rubber Roller

Install your Sound Dampening with ease using this heavy duty rubber roller!

Your Price $7.99

IA-FAST-5CA

Creates a tight seal around the speaker for enhanced audio quality and imaging.

Your Price $17.99

Speaker Baffles for your Speakers

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

Your Price $9.99

5" to 5-1/4" Round Foam Speaker Baffles

Creates a tight, acoustic seal behind the speaker to enhance the sound quality.

Your Price $5.97

12-10 AWG Butt Connectors

These yellow butt connectors are ideal when connecting thicker speaker wire your new aftermarket speakers.

Your Price $5.99

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!

Your Price $11.99

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Product Summary

Manufacturer

Model Number

REF-5020cx

UPC

050667371005

Weight

3.90lbs

Internal SKU

ref5020cx

Internal Product ID

112221

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: Infinity Reference REF-5020cx