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Black 10-inch car subwoofer with silver magnet and foam surround

5 Core Inc.

5 Core Inc. WF 10120 10" Car Subwoofer 1000W 4 Ohm

SKU CH-QH56-DR2N3

A 10-inch car subwoofer rated for 1000 W peak power with a 23 oz magnet and 4-ohm impedance

  • TypeSubwoofer
  • Speaker Size10"
  • High power handling with 1000 W peak and 100 W RMS
  • 23 oz magnet and cast steel frame for strong bass response
  • Ultra-stiff thick cone with foam surround reduces distortion
  • Dual 8 Ω voice coils with 1.25" CCAW Kapton winding
  • Advanced airflow cooling and PP reinforced edge extend lifespan

10-inch Subwoofer for Car Audio Upgrades

The 5 Core WF 10120 is a 10-inch subwoofer designed to add low-frequency output to a vehicle sound system. It handles a peak power of 1000 Watts and a CEA-rated RMS power of 100 Watts. The unit uses a dual voice coil configuration rated at 4 ohms with 100% copper wire windings on a 1.25-inch CCAW former.

Suited for Bass Reinforcement in Factory Locations

This speaker fits builders who want deeper bass from a standard 10-inch mounting hole without adding an external amplifier for high-power loads. The 23oz magnet and cast steel frame keep the moving mass controlled at moderate power levels. Buyers who need higher continuous output for competition-level SPL or who require a different impedance to match a specific amplifier should look at other models.

Dual 4-Ohm Voice Coil Determines Amplifier Match

The defining specification is the dual 4-ohm voice coil arrangement, which allows wiring the subwoofer as a 2-ohm or 8-ohm load to the amplifier. This flexibility decides whether the amplifier can deliver its rated power safely and efficiently. Confirm your amplifier’s stable impedance range before purchase.

Highlights

  • High power handling with 1000 W peak and 100 W RMS
  • 23 oz magnet and cast steel frame for strong bass response
  • Ultra-stiff thick cone with foam surround reduces distortion
  • Dual 8 Ω voice coils with 1.25" CCAW Kapton winding
  • Advanced airflow cooling and PP reinforced edge extend lifespan

Specifications

TypeSubwoofer
Speaker Size10"

Questions about this item

What mounting cut-out depth and bolt pattern does the 10-inch frame need?

The 10-inch cast steel frame requires a standard 10-inch cut-out; the pre-treated woofer frame uses typical 4-bolt mounting holes spaced for 10-inch car audio enclosures.

How do I wire the dual voice coils and what is the common mistake?

Each coil is 8 ohms; wire them in series for an 8-ohm load or in parallel for a 2-ohm load, and never leave one coil unconnected or the subwoofer will lose power handling.

When should I check the foam surround and the 1.25-inch voice coil for wear?

Inspect the thick foam edge and the 1.25-inch CCAW voice coil annually; replace the surround if it cracks or the coil if it rubs, as both affect the 100-watt RMS rating.

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