Dual 2 ohm wired down to 1 ohm 15" Kicker L7 RXD100.1 1000 watts rms

15" Kicker L7 with a Planet Audio RXD1000.1 amplifier wired down to 1 ohm, Kenwood Excelon head unit with a usb port, custom ported box im not sure the size but i think its a 2^ft