Products › The Millenia Subwoofer 1 / 2 Image 1 of 2 Image 2 of 2 The Millenia Subwoofer $0.00 Dual woofer back-to-back bipolar design! 900 Watts Dynamic Peak Power / 300 Watts RMS Sustained. Quantity: Call Now Added! Dual woofer back-to-back bipolar design! 900 Watts Dynamic Peak Power / 300 Watts RMS Sustained.