Sub 1:15

The Sub 1.15 is the ideal bass extension for the Corus C 12.2 or C
15.2 full-range cabinets.

In the low frequency range between 40 Hz and 260 Hz a Electro-Voice
EVS-15S woofer in direct-radiator bass-reflex design produce an max.
SPL of 125 dB.

Thanks to their low-pass filter, the Sub 1.15...