Crunch GPV1800.4 225 x 4 @ 4 OHMS, 450 x 4 @ 2 OHMS - 900 x 2 @ 4 OHMS Amplifier Crunch 225 x 4 @ 4 OHMS, 450 x 4 @ 2 OHMS - 900 x 2 @ 4 OHMS amplifier Illuminated scrolling V LED High Level Inputs