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SoundQubed HDX4.2 18″ Car Subwoofer – Dual 1 Ohm DVC, 4,000W RMS / 8,000W Max

HDX Series·Subwoofers·SKU HDX4.2-18D1

$929.95

In stock

Pairs well with

Amps sized to run one or two of these subs, plus the wiring to feed them.

Wiring more than one sub? Check your final impedance with the Ohm Load Calculator.

Description

The HDX4.2 18-inch is our flagship subwoofer, rated at 4,000 watts RMS and built for competitors and bass fans who refuse to settle. The 18 is about as big as car audio gets, built for walls, big ported boxes and serious SPL. Plan on a strong amp and a solid electrical system to get everything out of it.

With two 1-ohm voice coils it wires to 0.5 or 2 ohms, so it pairs best with a monoblock that is stable at low impedance. Not sure how to wire it? Our ohm load calculator walks you through it.

Quick Specs

Series HDX4.2
Size 18″
Voice coils Dual 1 Ohm
Power handling 4,000 W RMS / 8,000 W max

Specifications

Weight 80 lbs
Type

Series

Size

Impedance

Power (RMS)

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