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EFX C154 by Scosche

15" Single 4 ohm Competition Series Subwoofer

EFX
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15" Single 4 ohm Competition Series Subwoofer • 700W Max • 350W RMS • IMPP Cone woofer • Rubber surround • Woven tinsel leads • Nickel-plated spring loaded push terminals • 2-1/2" High-temperature voice coil

Learn more about the efx-c154

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This item has been discontinued


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Product Highlights


15" Single 4 ohm Competition Series Subwoofer • 700W Max • 350W RMS • IMPP Cone woofer • Rubber surround • Woven tinsel leads • Nickel-plated spring loaded push terminals • 2-1/2" High-temperature voice coil

Description


  • 15" Single 4 ohm Competition Series Subwoofer
  • Power Handling:
    • Peak: 700 watts
    • RMS: 350 watts
  • IMPP Cone woofer
  • Rubber surround
  • Woven tinsel leads
  • Nickel-plated spring loaded push terminals
  • 2-1/2" High-temperature voice coil
  • Large, double stacked magnet structure
  • Great for small enclosures
  • 1-year Manufacturer's warranty

Subwoofer Wiring Guide


Wiring Guide to Wire 1 EFX C154 by Scosche Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 EFX C154 by Scosche Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 EFX C154 by Scosche Subwoofers

4 Channel Amp

Wiring Guide to Wire 4 EFX C154 by Scosche Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp


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Specifications & Details


Subwoofer Specifications
Series
Competition Series
Subwoofer Size
15"
Peak Power Handling
700 watts
RMS Power Handling
350 watts
Voice Coil(s)
Single
Impedance (Per Voice Coil)
4 ohm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Injection Molded Polypropylene
Woofer Surround
Rubber
Subwoofer Grille
No
Re-Cone Kit Available
No
Recommended Enclosure Specifications
Cutout Diameter
6-1/8"
Shallow Mount Installation
No
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

EFX

Model Number:

EFX-C154

Weight:

15.00lbs

Internal SKU:

efx-c154

Internal Product ID:

21046

Product and How-to Videos


Customer Ratings & Reviews


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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.