L-Acoustics KS21i Subwoofer 100760347 Rubber feet and EVA rubber

Rubber feet and EVA rubber on the platform add stability and shock absorption

It's a Source Four and an LED

Integrated DMX

Sennheiser's smallest Sound Pro

L-Acoustics KS21i Subwoofer 100760347 Rubber feet and EVA rubberL Acoustics KS21i High Power Subwoofer, 21" KS21i is a compact reference subwoofer designed to extend the bandwidth of A15i and A10i systems in installation applications. KS21i features one high excursion, direct radiating 21'' transducer mounted in a bass reflex tuned enclosure. KS21i couples with A15i and A10i to reinforce contour and extend bandwidth to 29 Hz and 31 Hz respectively. KS21i features L Vents that substantially reduce turbulence and