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Kicker 12 inch subwoofer in down firing box with 400 watt mono amp

KICKER

KICKER 48CDF124 12" Comp Subwoofer + 46CXA4001 400W Amp

SKU CH-PM91-1V6QQ

A 12-inch down-firing subwoofer with 150-watt RMS handling paired to a 400-watt mono Class D amplifier

  • TypeSubwoofers
  • Down-firing enclosure fits tight spaces and handles cargo weight
  • 150-watt RMS subwoofer delivers deep bass all day
  • 400-watt Class D amp powers the system cleanly
  • Variable KickEQ boost adds 6 dB of extra bump
  • 12 dB crossovers and subsonic filter protect the driver

Ready-to-install bass package

This bundle pairs a Kicker 12-inch Comp subwoofer in a down-firing enclosure with a matching 400-watt mono Class D amplifier. The subwoofer presents a 4-ohm load and handles 150 watts RMS for consistent low-frequency output. It suits drivers who want a complete, coordinated system without selecting separate components. Buyers who need a component subwoofer for a custom enclosure should look elsewhere.

Sustained output with thermal control

The subwoofer uses a stiff injection-moulded cone and a motor structure designed to dissipate heat during extended play. The down-firing box protects the driver while maintaining output even when cargo rests on the enclosure. The amplifier employs a Class D topology that runs efficiently, reducing thermal stress during long listening sessions. It is not intended for competition-level SPL systems that demand continuous kilowatt power.

Rugged enclosure and flexible amp integration

The down-firing cabinet is built to support weight on its surface, making it practical for trunk or cargo-area installation. The amplifier includes a subsonic filter, 12 dB crossovers and variable bass boost with KickEQ for tonal adjustment. FIT+ technology allows the amp to accept up to 40 volts of speaker-level input, simplifying connection to factory head units without a line-output converter. Builders who require balanced inputs or advanced DSP functions will need a different amplifier.

Highlights

  • Down-firing enclosure fits tight spaces and handles cargo weight
  • 150-watt RMS subwoofer delivers deep bass all day
  • 400-watt Class D amp powers the system cleanly
  • Variable KickEQ boost adds 6 dB of extra bump
  • 12 dB crossovers and subsonic filter protect the driver

Specifications

TypeSubwoofers

Questions about this item

Does the 400-Watt Class D amp run hot during all-day use?

The Kicker 46CXA4001 uses a Class D power plant designed for efficient thermal management, so it stays cooler than traditional amplifiers during extended listening sessions.

What wiring and head-unit connections do I need before installing this bundle?

You will need a 12-inch subwoofer enclosure, 4-Ohm speaker wire, power and ground cables rated for 400 Watts, RCA or speaker-level inputs up to 40 volts, and a remote turn-on lead from the head unit.

Will the 150-Watt RMS subwoofer work safely with the 400-Watt amplifier I already own?

Yes, the 48CDF124 handles 150 Watts RMS at 4 Ohms, and the 46CXA4001 delivers 400 Watts into 4 Ohms; set the amp gain and subsonic filter to match the subwoofer's limits for safe daily operation.

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