8W7AE-3
8-inch (200 mm) Subwoofer Driver, 3 Ω

10W7AE-3
10-inch (250 mm) Subwoofer Driver, 3 Ω

12W7AE-3
12-inch (300 mm) Subwoofer Driver, 3 Ω

13W7AE-D1.5
13.5-inch (345 mm) Subwoofer Driver, Dual 1.5 Ω