Get some rumble in your jungle with the 4PRO8003A. Not only does it have a nice ‘note’, but this can thunder it out for long sessions, too. With 18″ (4″ voice coil) and a big amp behind it (1000w continuous), the 4PRO8003A has a max SPL of 134 dB, sitting it nicely under a huge range of self-powered ‘mid-high’ boxes.