Powerbass XL-1240TD 12" DVC Shallow Mount Subwoofer

The Powerbass XL-1240TD is a 12" dual-voice-coil shallow-mount subwoofer built for compact sealed enclosures that demand real bass authority. It handles 400W RMS (800W max) in a shallow 3.8" mounting depth, enabling serious low-end in tight spaces.

• Size / Mounting depth: 12" shallow mount with a 3.8" mounting depth and an 11" cutout diameter for tight installations.
• Power handling: 400W RMS / 800W max, providing headroom for high-output bass without immediate power compression.
• Nominal impedance: 4 ohms (single voice coil).
• Inputs: Dual coil wiring for flexible configurations.
• Voice coil: 2" vented KSV voice coil former for improved heat management during high excursion.
• Cone & basket design: Single piece injection-molded flat polypropylene cone with a proprietary turbine-style poly/glass fiber basket.
• Dust cap: PBX logo dust cap.
• Magnet: 140 oz magnet for strong magnetic coupling and consistent control.
• Sensitivity: 84 dB (1W/1M).
• Frequency response: 33 Hz – 450 Hz.
• Mounting vicinity: Optimized for small sealed enclosures.
• Terminals: Chrome push terminals for secure connections.

In a real car build, the XL-1240TD excels behind a rear panel or under a seat where space is at a premium. The shallow mounting depth and 11" cutout diameter enable a true 12" woofer to fit in tight cavities, while the 400W RMS rating provides needed headroom for a punchy, controlled bass presence. The dual voice-coil design offers wiring flexibility, and the injection-molded flat cone with a turbine-style basket yields rigid, low-distortion performance across the 33 Hz–450 Hz range.