Kicker ST9MR4 Midrange 4 Ohm Powersport Audio M6 infinite-baffle woofers feature a

M6 infinite-baffle woofers feature a DMA-optimized

35" (85 mm) Tweeter Size 1"

plus all the great benefits of a rugged new Alpine receiver with a larger display

Discover the ultimate in audio amplification with DB Drive's WDX4000

Main Channels @ 4 ohms 75 W RMS x 4 Main Channels @ 2 ohms 100 W RMS x 4 Main Channels - Bridged @ 4ohms 200 W RMS x 2 Subwoofer Channel @ 4 ohms 180 W RMS x 1 Subwoofer Channel @ 3 ohms 240 W RMS x 1 Subwoofer Channel @ 2 ohms 300 W RMS x 1 Subwoofer Channel @ 1

Kicker ST9MR4 Midrange 4 Ohm Powersport Audio M6 infinite-baffle woofers feature aPA (Pro Audio) Style, High Output PA (Pro Audio) style woofers built for extreme loudness Square cone design provides nearly 20% more output Extreme power handling and efficiency Voiced for clear vocals cutting through very loud bass Perfect for competition level SPL systems Exceptionally wide frequency response Square, pressed pulp cone with treated cloth surround Spring loaded terminals accept 12 AWG wire Specifications Square Woofers [in, mm] 9,