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Autotek SM52CX (SM-52CX)

5-1/4" Street Machine Series 2-way Car Speakers

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The product on this page is discontinued.

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  • 5-1/4" Street Machine Series 2-way Car Speakers
  • Power Handling:
    • Peak: 600 watts per pair / 300 watts each
    • RMS: 120 watts per pair / 60 watts each
  • Alpha-cellulose cone woofer
  • Moisture-resistant rubber surround
  • Neo-Mylar soft dome tweeter
  • Impact resistant tweeter elements
  • Raised T-yoke
  • Spade-style speaker terminals
  • High mid-bass impact
  • Anti-resonant stamped steel basket
  • Tight-fit insert speaker terminals
  • 4 ohms impedance
  • External 12dB passive in-line crossover
  • 1-year SonicElectronix.com warranty

Priced Per Pair

Speaker Specifications
Speaker Size5-1/4"
Design2-way
Tweeter DesignDome
Tweeter CompositionMylar
Woofer CompositionAlpha-cellulose
Woofer SurroundRubber
Peak Power Handling60 watts
RMS Power Handling300 watts
Sensitivity88 dB
Frequency Response64 - 20,000 Hz
Impedance (Per Voice Coil)4 ohms
Top-Mount Depth2-7/8"
Bottom-Mount Depth2-3/16"
Cutout Dimensions4-1/2
Speaker GrillesYes
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration1 year
Labor Warranty Duration1 year
Warranty ProviderManufacturer
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Speaker Wire
Upgrade your factory speaker wire to aftermarket speaker wire and hear the difference! Using thicker gauges, newer technology, and higher quality materials, aftermarket speaker wire is key to upgrading the sound in your car.
 ProductPriceAdd?
20 ft. of 16 AWG KICKER X-Series Speaker Wire20 ft. of 16 AWG KICKER X-Series Speaker Wire
Get high quality sound from Kicker's twisted-pair, true to gauge speaker wire.		$19.99
50 ft. of 14 AWG StreetWires Speaker Cable50 ft. of 14 AWG StreetWires Speaker Cable
Streetwires Super Cable provides a zero-grip insulation for a smooth install as well as true gauge twisted wire construction.		$29.99
50 ft. of 16 Gauge Monster XLN Series Speaker Cable50 ft. of 16 Gauge Monster XLN Series Speaker Cable
Upgrade to clean and clear sound with Monster Cable's Xtra Low Noise (XLN) construction.		$35.00
Sound Dampening Material
Get optimal sound from your new speakers with some high quality sound dampening material. It will keep the road noise out and the music inside the car.
 ProductPriceAdd?
Dynamat Xtreme Speaker KitDynamat Xtreme Speaker Kit
Eliminates speaker panel distortion and reduces vibration, rattles, and squeaks!		$21.99
Dynamat Dynaxorb Speaker PakDynamat Dynaxorb Speaker Pak
Revolutionary damping material designed to prevent distortion caused by the back wave of a speaker interfering with the front wave.		$19.99
Dynamat Rubber RollerDynamat Rubber Roller
Install your Dynamat with ease! This heavy duty rubber roller is designed specifically to install your Dynamat products!		$18.99
Ballistic Speaker KitBallistic Speaker Kit
Eliminate speaker distortion, road noise, and rattles with this sound dampening material from Ballistic.		$15.99
Speaker Baffles, Spacers, and Depth Extenders
Mount your speakers in the location that you need with these speaker spacers, extenders, and adapters.
 ProductPriceAdd?
Speaker Baffles for your SpeakersSpeaker Baffles for your Speakers
Enhance the sound of your speakers with these easy to install speaker baffles.		$9.99
3/4" Depth Extender for 5-1/4" Speakers3/4" Depth Extender for 5-1/4" Speakers
Add 3/4" of extra space when installing your speakers.		$8.99
Installation, Tools & Accessories
Get all of the tools and accessories to install your new speakers like a professional, or take your car to an expert and have them installed by redeeming professional installation cards.
 ProductPriceAdd?
Door Panel & Upholstery Remover ToolDoor Panel & Upholstery Remover Tool
The ideal tool for removing your car's door panels to replace you speakers!		$11.99
Universal Window Handle Remover ToolUniversal Window Handle Remover Tool
Designed to easily remove the manual window handles without breaking any interior pieces.		$4.99
Universal Wire Puller & GrabberUniversal Wire Puller & Grabber
Running wires has never been easier! This wire puller allows you to run wires through those hard to reach places!		$6.99
16-14 AWG Butt Connectors16-14 AWG Butt Connectors
These blue butt connectors are ideal when connecting thicker speaker wire your new aftermarket speakers!		$4.99
Tone Generators and Sound Testing Equipment
Optimize your new system's sound quality by testing and calibrating all of your components with these items.
 ProductPriceAdd?
AutoSound 2000 CD-101AutoSound 2000 CD-101
Low frequency test CD		$12.99
AutoSound 2000 CD-102AutoSound 2000 CD-102
High frequency test CD specifically designed for the set-up and evaluation of sound system imaging and placement.		$12.99
AutoSound 2000 CD-103AutoSound 2000 CD-103
Audiophile reference series test disc for evaluation of all audio components.		$12.99

Product Summary

Manufacturer: Autotek
Model number: SM52CX
UPC: 806576215264
Weight: 6.00 lbs
Internal SKU: sm52cx
Internal product ID: 18646

Why Sonic Electronix?

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Customer Testimonial

Once again very pleased with this company have placed many orders in the past and have install my 3rd car with there equipment and will place future orders thanks again

- Joe from Mt Morris IL

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