MAXIMUM BASS OUTPUT: 2000W car subwoofer delivers extreme low frequency performance for high power car audio systems; dual voice coil 4 ohm design improves control and output; ideal for serious bass upgrades FLEXIBLE INSTALLATION OPTIONS: Dual 4 ohm voice coil supports multiple wiring configurations; compatible with high power amplifiers and aftermarket systems; suitable for replacing stock speakers with stronger bass HEAVY DUTY CONSTRUCTION: Durable paper cone with foam surround improves sound clarity and reduces distortion; built for heat resistance and consistent performance in high power subwoofer car systems LARGE SCALE INSTALLATION: 15 inch (38.1 cm) car subwoofer with 6.3 inch (16 cm) mounting depth; ideal for large enclosures and boot builds designed for maximum bass output HIGH OUTPUT PERFORMANCE: 92 dB sensitivity improves efficiency and volume output; delivers deep powerful bass with strong clarity; designed for drivers who want maximum sound performance Black Steel Basket - 50 OZ Magnet Non-Press Paper Cone - 200 Watts RMS / 400 Watts Max Power Specially Treated Foam Surround - SPL: 92 dB 2.5'' 4 Layer Dual Voice Coil - Spring Loaded Push Down Speaker Terminals Dual 4 Ohm Impedance