• SUPERIOR PERFORMANCE: The TXX-BDC-IV-10-S4 was designed and engineered with 4 magnets for strong power handling and increased voice coil ventilation for ultimate performance and endurance.
• PEAK POWER: 1800 Watts | RMS POWER: 900 Watts
• MAGNET: Boasting 4 magnets for strong power handling, 170 Oz
• FREQUENCY RESPONSE: 30-1,300Hz
• SENSITIVITY: 85dB
• VOICE COIL: The TXX-BDC-IV-10-S4 has a 2.5 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-10-S4 '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-10-S4 is crafted with progressive weaved tinsel leads on each side of the subwoofer, ensuring optimal sound quality and durability.
• SILVER PUSH SPRING LOADED TERMINALS: Equipped with durable silver push spring-loaded terminals for reliable and convenient wiring. These terminals ensure secure connections and allow for quick, hassle-free installation using standard speaker wire.
• 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: 175 mm (6-7/8"）
• IMPEDANCE: 4 Ohms 

Description:

Audiopipe's Quad Stack Composite Cone Subwoofer delivers powerful, clear bass with 1800 watts peak power. Its Kevlar Fiber Composite Non-press Paper Cone with a textured finish enhances rigidity and sound performance. The aluminum basket with a composite glass fiber dust cap and heat-resistant dust-proof heat sink ensure durability and optimal sound quality. Improved voice coil ventilation keeps the subwoofer cool during intense use. 

TXX-BDC-IV-10-S4-English/Spanish Product Manual