Featuring a seamless, injection-molded polypropylene cone that's about 14% larger than it's last years predeccessor,  the TS-W309D4 12" subwoofer from Pioneer will give you an extended bass response like no other. The dual 4-ohm voice coils allow you to wire the sub for 2- or 8-Ohm impedance, so you get the wiring flexibility you need when you add more Champion Series subs in the future. Also features a double layered elastic polymer surround supports the woofer during cone excursion so you'll get hard-hitting bass.

General Features:

• 400W RMS Power Handling
• Frequency Response: 20 Hz to 220 Hz
• Sensitivity (1 W/1 m): 94 dB
• Impedance: 4 Ω x 2
• Mounting Depth    6"
• Cut-Out Dimensions: 11-1/8"
• Recommended Enclosure: 0.85 to 1.75 cu. ft.
• Composite IMPP Seamless Cone
• Dual-Layer Elastic Polymer Surround
• 14% Larger Surface Area than Previous Model for Louder and Higher Quality Bass Reprod