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Black 12-inch car subwoofer with paper cone and rubber surround

Sony

Sony XS-W124GS 12" Car Subwoofer 4 Ohm SVC 420W RMS 1800W Peak GS Series

SKU CH-4CTB-9HXFD

A 12 inch car subwoofer with 420W RMS power and 1800W peak handling for deep bass

  • Subwoofer size12 in (30.5 cm)
  • Voice coilSingle
  • Peak wattage1800 W
  • RMS power rating420 W
  • Audio sensitivity83 dB
  • Rated impedance4 Ohm
  • Lightweight paper cone delivers tight, responsive bass
  • Polypropylene dust cap adds rigidity for cleaner low frequencies
  • Double-layered spider enables long excursion without distortion
  • Sewn lead wire maintains signal integrity during heavy movement
  • 420 W RMS power handling drives deep, authoritative output

The 12-inch subwoofer for deep car bass

This single-voice-coil 12-inch subwoofer handles 420 W RMS and peaks at 1800 W. A lightweight paper cone with a polypropylene cap and rubber surround drives tight low-end response down to 30 Hz. The 4-ohm impedance suits most mono amplifiers. It targets drivers who want powerful bass from a single component unit.

Check amplifier power and enclosure volume

Verify your amplifier delivers clean power around the 420 W RMS rating at 4 ohms. Confirm the available mounting depth and sealed or ported box volume match the driver’s requirements. Ensure the vehicle electrical system can supply sufficient current for sustained output. The 300 W rated power figure helps gauge continuous thermal limits.

Thermal behaviour and efficiency in daily use

The ferrite magnet and vented pole piece dissipate heat during extended play. Sensitivity of 83 dB at 1 watt means moderate amplifier gain is needed for high output. The double-layered spider and sewn lead wires reduce mechanical stress at high excursion. Expect warm but stable operation when the enclosure is correctly tuned.

How it compares

Measured against everything we stock in Car Subwoofers & Enclosures, at today’s prices. Recalculated every night.

Price $134.99
Cheaper than about 61% of the 268 comparable items (median $185.49).

Specifications

Product
Brand nameSONY
Product typeSubwoofers
Product colorBlack
Audio & video
RMS power rating420 W
Audio sensitivity83 dB
Rated impedance4 Ohm
Power
Peak wattage1800 W
Size & build
Subwoofer size12 in (30.5 cm)
More details
Voice coilSingle

Questions about this item

Does the Sony XS-W124GS come with an enclosure, amplifier, or wiring kit, or do I need to buy those separately?

The package contains the 12" subwoofer driver only. A suitable enclosure, a matching amplifier, and all wiring must be purchased separately.

Should I choose the 420 W RMS or the 1800 W peak rating when matching an amplifier?

Use the 420 W RMS figure for amplifier matching; the 1800 W peak value represents short-term maximum handling, not continuous power.

What does the 83 dB sensitivity mean for real-world output in my car?

At 1 watt measured at 1 metre the driver produces 83 dB SPL, so achieving high cabin volume will require an amplifier delivering several hundred watts RMS.

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