Audiopipe 8" Quad Stack Subwoofer (TXX-BDC-IV-8) — 1000W Peak, 500W RMS, 4 Magnets, BASV Coil, Aluminum Basket

Powerful 8-inch subwoofer for deep, controlled bass

The Audiopipe TXX-BDC-IV-8 brings robust bass performance to your car audio or small enclosure setup. Its quad magnet stack works with an advanced BASV voice coil to manage heat and sustain authority across demanding listening sessions, while a rigid aluminum basket helps minimize unwanted vibrations. This combination aims to translate amplifier power into clear, impactful low end without overcrowding the midrange.

Key specs at a glance

• Peak power: 1000 watts
• RMS power: 500 watts
• Impedance: dual 4-ohm voice coils for flexible wiring
• Frequency response: 40 Hz – 1500 Hz
• Sensitivity: 85 dB
• Magnet weight: 150 oz
• Cone: Kevlar fiber composite non-press paper
• Basket: powder-coated aluminum
• Voice coil: BASV, 2.5", four-layer design with enhanced ventilation
• Terminals: patent pipe multi-connect, accepts up to 8 AWG

Build for durability and rigidity

The four-magnet stack provides strong mechanical control, while the aluminum basket and dust cap are designed to resist heat and flex. Copper tinsel weave and a Kevlar-based cone give the cone a stable, responsive feel during rapid transients.

• Quad magnet stack contributes to stable excursion under heavy drive
• Kevlar fiber composite cone maintains rigidity through intense playback
• Aluminum basket and heat sink help manage thermal load

Wiring flexibility and real-world use

With dual 4-ohm coils and patent pipe multi-connect terminals, you can tailor wiring to your amplifier and enclosure. The setup supports series or parallel configurations and up to 8 AWG wire, making it adaptable to different installs and power needs. The 40–1500 Hz range covers bass fundamentals and upper bass presence, while 85 dB sensitivity helps convert power into audible impact.

In practice, you may notice tight, controlled bass with confident transient response in both sealed and ported enclosures. Actual performance will depend on enclosure volume, tuning, amplifier choice, and vehicle acoustics. This subwoofer aims to provide a solid foundation for a dynamic, immersive listening experience without overpromising results.