RS 100c4 4-channel Amplifier Forced cooling Input with low- or high-level signal. 2- or 4-channel High-level with autosense function (no remote signal required) High-/low-/bandpass crossover RS 100c4 Power in RMS:   @ 4 ohm stereo: @ 2 ohm stereo: @ 4 ohm mono: 4x 102 Watt 4x 150 Watt 2x 300 Watt     Optional Plug & Play Adapter (in accessories) Specifications     Size: 324 x 180 x 58 mm