GS 550.1CMP model powers:

1*550Wrms @ 1 ohm

1*370Wrms @ 2 ohms

1*250Wrms @ 4 ohms

For those using the amplifier with internal active filters without a processor, here are the frequency cutoffs:

LPF: 50hz to 250Hz (cannot be turned off, amplifier not full range, max 250hz)

Subsonic: 0hz to 50Hz

bass boost from 0dB to 12dB

Phase: 0 to 180 degrees

Remote control included for remote gain control

The amplifier comes complete with screws, allen wrenches, stickers.