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Car Audio
PowerBass
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PowerBass XL-1240T 12" Shallow Mount Subwoofer

Sale price $139.99 Regular price $149.99
Shipping calculated at checkout.


Key features

  • Subwoofer size: 12.0 inches
  • RMS power per subwoofer: 400 W
  • Voice-coil options: S4
  • Mounting depth: 3.8 in
  • Voice-coil diameter: 2 in
  • Cone material: Injection Polypropylene


Description

Product Overview

Make room for deep, controlled bass in a tight automotive space with the PowerBass XL-1240T 12-inch shallow-mount subwoofer. Its 3.8-inch mounting depth and flat cone design suit compact sealed enclosures where a standard 12-inch woofer may not fit.

Key Features & Benefits

  • Compact mounting depth: The 3.8-inch profile helps accommodate space-limited vehicle installations.
  • 400W RMS power handling: The subwoofer is rated for 400 watts RMS and 800 watts maximum.
  • Flat molded cone: The single-piece injection-molded design provides a stiff, uniform cone.
  • Composite basket: Its poly/glass fiber basket supports high excursion and helps minimize unwanted resonances.
  • Vented voice coil: The 2-inch KSV voice coil former supports heat dissipation during sustained bass.

Technical Specifications

Specification Value
Model XL-1240T
Product type 12-inch shallow-mount subwoofer
Power handling 400 Watts RMS / 800 Watts Max
Nominal impedance 4 Ohms
Mounting depth 3.8"
Cutout diameter 11" (281mm)
Cone design Proprietary Single Piece Injection Molded Flat Cone
Basket Proprietary Composite Poly/Glass Fiber Basket
Voice coil 2" Vented KSV Voice Coil Former
Voice coil size 2"
Magnet size 140 oz
Sensitivity 89 dB (1W/1M)
Frequency range 33 Hz - 450 Hz
Dust cap PBX logo dust cap

Why Choose This Product?

The XL-1240T is designed for listeners who want a 12-inch subwoofer in a compact sealed build. Its shallow profile addresses tight installation space, while the rigid cone and composite basket support controlled bass performance.

The 4-ohm nominal impedance and 400-watt RMS rating help you assess whether the subwoofer suits your amplifier and system plan. Its stated frequency range extends from deep bass through mid-bass notes.

Installation & Compatibility Notes

Allow for the 3.8-inch mounting depth and 11-inch (281mm) cutout diameter when planning the enclosure. The source describes use in a compact sealed enclosure and space-limited automotive installations.

Check that your amplifier is designed for a 4-ohm load and can support the subwoofer’s power rating. Confirm enclosure and vehicle space before installation.

Frequently Asked Questions

What is the PowerBass XL-1240T’s power handling?

It is rated at 400 watts RMS and 800 watts maximum.

What amplifier load should I check for?

The subwoofer has a nominal impedance of 4 ohms. Check that your amplifier supports a 4-ohm load.

How much mounting space does it require?

The mounting depth is 3.8 inches, and the cutout diameter is 11 inches (281mm).

What enclosure type is described for this subwoofer?

The product details describe use in a compact sealed enclosure.

What frequency range is listed?

The stated frequency range is 33 Hz - 450 Hz.

Explore More

Shop 12 Volt Outlet for your car audio needs. Want to learn more about PowerBass? Explore our PowerBass brand profile.

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Suggestions use 75–125% of the subwoofer’s RMS rating at the wiring load shown. Check wiring, enclosure needs, electrical capacity and installation space. Set gain and filters correctly to avoid overpowering the subwoofer. Buying more than one subwoofer changes the match.