Amazon.com: 10" Car Audio Speaker Subwoofer - 1000 Watt High Power Bass Surround Sound Stereo Subwoofer Speaker System - Non Press Paper Cone, 90 dB, 4 Ohm, 50 oz Magnet, 2 Inch
Seas L26RO4Y 10" Subwoofer - 4 Layer VC - (D1004-04)
10" High Excursion Paper Cone Subwoofer Driver 4 Ohm
Amazon.com: Sound Town 10” 200W Steel Frame Raw Woofer (Low Frequency Driver) w/ 2" Voice Coil, Replacement Woofer for PA/DJ Speaker, Subwoofer Cabinets (STLF-10VS) : Everything Else