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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

  • Speaker unit size10 in (25.4 cm)
  • Product typeSubwoofer
  • 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.

How it compares

Measured against everything we stock in Car Stereo Speakers, at today’s prices. Recalculated every night.

Price $57.99
Cheaper than about 67% of the 379 comparable items (median $104.99).

Specifications

Product
Product typeSubwoofer
Audio & video
Speaker unit size10 in (25.4 cm)

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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