Soundstream T4-12D2 900w RMS Dual Voice Coil 12” Subwoofer 900w RMS Du
Specifications: Power Handling: RMS: 900W Peak: 1800W Frequency Response: 25-1.7kHz Efficiency (1W / 1M): 89dB Cutout Diameter: 11.25″ (28.6cm) Mounting Depth: 6.25″ (15.6cm) Suggested Enclosure: 2ft³ (28.3L) Ported Suggested Port: 4″ (D) (10cm) x 1.5″ (L) (19.5cm) Suggested Vent: 4″ x 4″ (10cm x 10cm) x 10″ (L) (25cm)