15 heavy-duty woofer Internal line level low-pass/high-pass crossover network Fully adjustable KOSMOS? C for increased bass impact XLR/one quarter inch combo jack input Power amp has forced air cooling for maximum reliability Large heavy-duty locking casters Perforated steel grill Steel handles T-nut woofer mounting Rugged dado and rabbet construction plus internal braces for lightweight yet strong cabinet 850 watts peak available power Compact dimensions for a 15" woofer based sub Threaded pole for top speaker mount Two high-pass XLR outputs, one full range thru XLR output Weight Packed: 40.36 kg Width Packed: 73.66 cm Height Packed: 76.2 cm Depth Packed: 53.34 cm