Audiopipe 15 Quad Stack Composite Cone Subwoofer (TXX-BDC-IV-15), Superior Performance, 2800W, 3.3" BASV Voice Coil, 4 Magnets, Non-Press Paper Cone, Aluminum Basket, Multi-Connect, 2 x 4 Ohms

SUPERIOR PERFORMANCE: The TXX-BDC-IV-15 was designed and engineered with 4 magnets for strong power handling and increased voice coil ventilation for ultimate performance and endurance.
^^ PEAK POWER: 2800 Watts ^^
RMS POWER: 1400
Watts ^^ MAGNET: Boasting 4 magnets for strong power handling, 250 Oz ^^
FREQUENCY RESPONSE: 25-1, 000Hz ^^
SENSITIVITY: 87dB ^^
VOICE COIL: The TXX-BDC-IV-15 has a dual 4 ohm 3.3 inch 4-layer high temperature black aluminum (BASV) voice coil, engineered with improved voice coil ventilation for substantial performance and endurance.
^^ ALUMINUM BASKET: The TXX-BDC-IV-15's newly designed powdered black paint aluminum basket with a composite glass fiber dust cap, and a newly refreshed and strongly constructed dust-proof heat sink was engineered to deliver optimal sound quality. ^^
QUAD WEAVED TINSEL LEADS: The TXX-BDC-IV-15 is crafted with progressive weaved tinsel leads on each side of the subwoofer, ensuring optimal sound quality and durability. ^^
PATENT PIPE MULTI-CONNECT TERMINALS: The TXX-BDC-IV-15's carefully designed and tooled reliable and convenient patent pipe multi-connect terminals allow for optimal connection and better reliability. They accept up to 8 gauge speaker wire for easy series and parallel wiring of the dual coils. ^^ KEVLAR FIBER COMPOSITE NON-PRESS PAPER CONE: The Kevlar Fiber Composite Non-press Paper Cone with Texture finish is newly designed to improve cone rigidity for better performance.
^^ MOUNTING DEPTH: 225mm (8-7/8") ^^
IMPEDANCE: 2 x 4 Ohms