DD0212-D4 - Depth 5.50", 13 lbs, 2 layer spider

DD0506-D4 - Depth 4.06", 11 lbs, 65 oz motor, 56 mm travel

DD0512-D4 - Depth 5.68", 15 lbs, 90 oz motor, 64 mm travel

DD0608-D4 - Depth 5.50", 17 lbs, 2 layer spider

DD0615-D4 - Depth 7.00" , 21 lbs, 3 layer spider

1010C-D4 - HiDef Tuned 10" 400w RMS

Digital Designs 1500-series 8" subwoofer

DDSL710-D4 - Depth 3.75", 17 lbs, 2 layer spider, Cast Frame, .50 sealed