The Strike S4.600 is a 4-channel amp featuring high level inputs, selectable high or low pass filters with variable cutoff frequency, bass boost, remote bass control, and line outputs. Power ratings for this unit are listed as 60 watts x 2 + 150 watts x 2 into 4 ohms and 90 watts x 2 + 225 watts x 2 into 2 ohms. In a bridged configuration, the S4.600 is rated for 180 watts + 450 watts into 4 ohms. Three accessory items were included with our test unit, the Powercell and two Fanmodules. The Powercell is a 0.5 Farad cap that can be connected via a large modular plug. The Fanmodules are replacement top panels for the amp that are fitted with 2.25-inch muffin-type fans. Minimize