Audiopipe 18" Quad Stack Composite Cone Subwoofer (TXX-BDC-IV-18), Superior Performance, 3400W, 4 Magnets, BASV Voice Coil, Aluminum Basket, Multi-Connect, Non-Press Paper Cone, 2 x 4 Ohms Electronics the 3000w model features a

the 3000w model features a 50a transfer relay

Machine washable Wrinkle Free Set of 4Specifications Design: Kingfisher Size: 14 x 18 in

limited edition classic has been a much-loved part of our line-up

7-hour auto-off timer

Audiopipe 18" Quad Stack Composite Cone Subwoofer (TXX-BDC-IV-18), Superior Performance, 3400W, 4 Magnets, BASV Voice Coil, Aluminum Basket, Multi-Connect, Non-Press Paper Cone, 2 x 4 Ohms Electronics the 3000w model features aSUPERIOR PERFORMANCE: The TXX BDC IV 18 was designed and engineered with 4 magnets for strong power handling and increased voice coil ventilation for ultimate performance and endurance PEAK POWER: 3400 Watts RMS POWER: 1700 Watts MAGNET: Boasting 4 magnets for strong power handling, 250 Oz FREQUENCY RESPONSE: 15 800Hz SENSITIVITY: 90dB VOICE COIL: The TXX BDC IV 18 has a dual 4 ohm 4 inch 4 layer high temperature black aluminum (BASV) voice coil,