8W1v3-4
8-inch (200 mm) Subwoofer Driver, 4 Ω

10W1v3-2
10-inch (250 mm) Subwoofer Driver, 2 Ω

10W1v3-4
10-inch (250 mm) Subwoofer Driver, 4 Ω

12W1v3-2
12-inch (300 mm) Subwoofer Driver, 2 Ω

12W1v3-4
12-inch (300 mm) Subwoofer Driver, 4 Ω