2x B&C 18TBW100 18″ Replacement Subwoofer Speaker 3000W Bass-Sub 8-Ohm 35-1000Hz
(2) B&C 18TBW100 18" Professional 3000 Watts Subwoofer 8-Ohm (PAIR). Nominal Impedance8 Ohm. Minimum Impedance6.5 Ohm. 4x B&C 10PE26, 10" 8?. Mid-Bass Woofer, 2.5?. Aluminium Voice Coil. 100 mm (4 in) split winding copper voice coil.